PBDB Taxon

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Ammonitida (ammonite)

Cephalopoda - Ammonitida

Taxonomy

Subtaxa

Agoniatitida (syn. Anarcestida), Ammonites, Ammonitina (syn. Lytoceratina), Ancyloceratina, Ancylocerina, Cardiocerina, Haploceratina, Olcostephanina, Perisphinctina, Protancyloceratina, Psilocerina, Stephanocerina

Sister taxa

Agoniatitida (syn. Anarcestida)

Synonyms

Ammonites folleatus was named by White (1887). It is a 3D body fossil.

It was synonymized subjectively with Acanthoceras cenomanense by Kossmat (1897); it was recombined as Acanthoceras folleatum by Maury (1936); it was considered a nomen nudum by Mertz (2017).
Gomimonomeroceras was named by Sobolew (1914).

It was considered an invalid subgroup of Ammonoidea by International Commission on Zoological Nomenclature (1936).
Ellipsolithes was named by de Montfort (1808).

It was considered an invalid subgroup of Ammonoidea by Hemming (1954).
Planulites was named by Lamarck (1801).

It was considered an invalid subgroup of Ammonoidea by Hemming (1954).
Orbulites was named by Lamarck (1801).

It was considered an invalid subgroup of Ammonoidea by Hemming (1954).
Pelagus was named by Montfort (1808).

It was considered an invalid subgroup of Ammonoidea by Hemming (1954).
Globites was named by de Haan (1825).

It was considered an invalid subgroup of Ammonoidea by Hemming (1954).
Laevicornaptychus was named by Trauth (1936). It is not extant. It is considered to be a form taxon.

It was considered a nomen nudum by Arkell et al. (1957).
Lilinthiceras was named by Diener (1903).

It was considered a nomen nudum by Diener (1903), Howarth (1960).
Ammonites hercules was named by d'Orbigny (1850).

It was considered a nomen dubium by Boule (1937).
Ammonites ludovicus was named by d'Orbigny (1850).

It was considered a nomen dubium by Boule (1937).
Ammonites was named by Bruguière (1789).

It was reranked as Scaphites (Ammonites) by Owen (1852); it was considered a nomen vanum by International Commission on Zoological Nomenclature (1955).

It was assigned to Scaphites by Owen (1852).

Synonymy list

Year	Name and author
1789	Ammonites Bruguière
1801	Orbulites Lamarck
1801	Planulites Lamarck
1808	Pelagus Montfort
1808	Ellipsolithes de Montfort p. 86
1825	Globites de Haan p. 143
1850	Ammonites hercules d'Orbigny pp. 99, No. 605
1850	Ammonites ludovicus d'Orbigny pp. 99, No. 618
1852	Scaphites (Ammonites) Owen p. 581
1866	Ammonitida Haeckel p. 392
1884	Ammonoidea Zittel p. 392
1887	Ammonites folleatus White p. 220 figs. pl. 23, figs. 1, 2
1889	Ammonitida Hyatt
1895	Ammonoidea Stanton p. 72
1903	Lilinthiceras Diener p. 124
1914	Gomimonomeroceras Sobolew p. 56
1927	Ammonoidea Smith
1936	Acanthoceras folleatum Maury p. 246
1936	Laevicornaptychus Trauth
1957	Ammonoidea Arkell et al. p. 7
1957	Ammonitida Arkell et al. p. 9
1957	Ammonoidea Hemming
1980	Ammonitida Summesberger p. 278
1981	Ammonitida Kennedy et al. p. 229
1984	Ammonitida Klinger and Kennedy p. 130
1984	Ammonoidea Klinger and Kennedy p. 130
1989	Ammonitida Klinger and Kennedy
1989	Ammonoidea Klinger and Kennedy p. 266
1990	Ammonitida Henderson p. 111
1990	Ammonitida Kennedy and Klinger p. 233
1990	Ammonoidea Kennedy and Klinger p. 233
1992	Ammonitida Kennedy et al. p. 268
1992	Ammonoidea Klinger and Kennedy p. 73
1993	Ammonoidea Klinger and Kennedy p. 186
1996	Ammonoidea Wright et al. p. 1
1997	Ammonoidea Cecca p. 327
1997	Ammonitida Kennedy et al. p. 4
1998	Ammonitida Kennedy et al. p. 7
2002	Ammonoidea Sepkoski
2003	Ammonoidea Kiessling
2003	Ammonoidea Meister and Friebe
2005	Ammonoidea Boyle and Rodhouse p. 343
2005	Ammonitida Medina and Riccardi p. 256
2006	Ammonitida Shevyrev
2006	Ammonoidea Shevyrev
2007	Ammonitida Landman et al.
2007	Ammonoidea Landman et al. p. 57
2007	Ammonitida Pavia p. 220
2007	Ammonoidea Sarih et al. p. 94
2009	Ammonoidea Furnish et al.
2013	Ammonitida Howarth p. 2
2016	Ammonitida Edmunds et al. p. 150
2016	Ammonitida Lehmann et al. p. 440
2016	Ammonoidea Lehmann et al. p. 440
2016	Ammonitida Wild and Stilwell p. 975
2016	Ammonoidea Wild and Stilwell p. 975
2017	Ammonoidea Đaković
2018	Ammonoidea Lukeneder and Lukeneder
2019	Ammonoidea Krystyn et al. p. 239
2021	Ammonoidea Nakada et al.
2022	Ammonoidea Pohle et al. p. 21

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Protostomia
—	Spiralia
superphylum	Lophotrochozoa

Rank	Name	Author
phylum	Mollusca
class	Cephalopoda	Cuvier 1797
subclass	Ammonoidea	()
order	Ammonitida	Haeckel 1866
order	Ammonitida	Haeckel 1866

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

Or. †Ammonitida Haeckel 1866 [ammonite]

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Or. †Agoniatitida Ruzhencev 1957

Subor. †Agoniatitina Ruzhencev 1957

Superfm. †Agoniatitaceae Holzapfel 1899

Fm. †Agoniatitidae Holzapfel 1899

G. †Agoniatites Meek 1877

Subfm. †Agoniatitinae Holzapfel 1899

Subfm. †Sellagoniatitinae Korn 2002

Fm. †Atlantoceratidae Korn 2001

G. †Atlantoceras Bensaid 1974

G. †Meragoniatites Korn 2001

Fm. †Pinacitidae Hyatt 1900

Subfm. †Foorditinae Klug 2002

Subfm. †Pinacitinae Hyatt 1900

Fm. †Tamaritidae Korn 2001

G. †Tamarites Bogoslovsky 1965

Superfm. †Mimagoniatitaceae Miller 1938

Fm. †Auguritidae Bogoslovsky 1961

Subfm. †Auguritinae Bogoslovsky 1961

Subfm. †Parentitinae Bogoslovsky 1980

Fm. †Latanarcestidae Korn 2001

G. †Chlupacites Becker and House 1994

G. †Latanarcestes Schindewolf 1933

G. †Mimanarcestes Bogoslovsky 1969

Fm. †Mimagoniatitidae Miller 1938

G. †Amoenophyllites Chlupac and Turek 1983

G. †Archanarcestes Becker and House 1994

G. †Mimagoniatites Eichenberg 1930

G. †Rherisites Klug 2001

Superfm. †Mimosphinctaceae Erben 1953

Fm. †Mimoceratidae Steinmann 1890

G. †Gyroceratites Meyer 1831

Invalid names: Aphyllites Mojsisovics 1882 [synonym], Lamelloceras Erben 1960 [synonym], Mimoceras Hyatt 1884 [synonym]

G. †Klugites Aboussalam et al. 2015

G. †Lenzites Becker and House 1994

Invalid names: Mimoceratinae Steinmann 1890 [empty]

Fm. †Mimosphinctidae Erben 1953

Subfm. †Anetoceratinae Ruzhencev 1957

Subfm. †Mimosphinctinae Erben 1953

Fm. †Teicherticeratidae Bogoslovsky 1969

Subfm. †Palaeogoniatitinae Klug 2001

Subfm. †Teicherticeratinae Bogoslovsky 1969

Subor. †Anarcestina Miller and Furnish 1954

Superfm. †Anarcestaceae Steinmann 1890

Fm. †Anarcestidae Steinmann 1890

G. †Anarcestes Mojsisovics 1882

G. †Paranarcestes Chlupac and Turek 1983

G. †Sellanarcestes Schindewolf 1933

Invalid names: Anarcestinae Steinmann 1890 [invalid subgroup]

Fm. †Cabrieroceratidae Korn 2002

G. †Clarkeoceras Wedekind 1918

Fm. †Sobolewiidae House 1989

G. †Holzapfeloceras Miller 1932

G. †Sobolewia Wedekind 1918

G. †Subanarcestes Schindewolf 1933

Invalid names: Holzapfeloceratidae Becker and House 2000 [synonym]

Fm. †Werneroceratidae Erben 1964

G. †Cabrieroceras Bogoslovsky 1961

G. †Crispoceras Chlupac and Turek 1983

G. †Diallagites Klug 2002

G. †Praewerneroceras Chlupac and Turek 1983

G. †Wendtia Klug 2002

G. †Werneroceras Wedekind 1918

Invalid names: Prolobitaceae Wedekind 1913 [empty]

Subor. †Gephuroceratina Ruzhencev 1957

Superfm. †Belocerataceae Hyatt 1884

Fm. †Beloceratidae Hyatt 1884

G. †Beloceras Hyatt 1884

Invalid names: Ceratobeloceras House and Kirchgasser 1985 [synonym], Idiobeloceras Yatskov 1990 [synonym]

G. †Eobeloceras Schindewolf 1936

G. †Merzougites Klug 2002

G. †Mesobeloceras Glenister 1958

Invalid names: Atopobeloceras Yatskov 1990 [synonym], Sinobeloceras Yatskov 1990 [synonym]

G. †Naplesites Yatskov 1990

Invalid names: Chaoceras Yatskov 1990 [synonym]

Invalid names: Beloceratinae Hyatt 1884 [invalid subgroup], Sinobeloceratinae Yatskov 1990 [invalid subgroup]

Fm. †Nordiceratidae Korn 2002

G. †Nordiceras Bogoslovsky 1955

Superfm. †Gephurocerataceae Frech 1897

Fm. †Acanthoclymeniidae Schindewolf 1955

Subfm. †Acanthoclymeniinae Schindewolf 1955

Subfm. †Ponticeratinae Korn 2002

Invalid names: Ponticeratidae Korn 2002 [synonym]

Fm. †Devonopronoritidae Bogoslovsky 1958

G. †Devonopronorites Bogoslovsky 1954

Fm. †Gephuroceratidae Frech 1897

Subfm. †Archoceratinae Aboussalam and Becker 2001

Subfm. †Gephuroceratinae Frech 1897

Invalid names: Crickitinae Wedekind 1913 [synonym]

Subfm. †Maternoceratinae Korn 2002

Subfm. †Trimanticoceratinae Korn 2002

Subfm. †Virginoceratinae Yatskov 1990

Fm. †Koenenitidae Becker and House 1993

G. †Hoeninghausia Gurich 1896

Invalid names: Protimanites [synonym]

G. †Koenenites Wedekind 1913

G. †Komioceras Bogoslovsky 1958

G. †Timanites Mojsisovics 1882

Invalid names: Timanitinae Becker and House 1993 [invalid subgroup]

Fm. †Taouzitidae Korn 2001

G. †Darkaoceras Bockwinkel et al. 2009

G. †Keuppites Bockwinkel et al. 2009

G. †Mzerrebites Becker and House 1994

G. †Taouzites Korn 2001

Subor. †Pharciceratina Korn 1998

Superfm. †Pharciceratoidea Hyatt 1900

Fm. †Maenioceratidae Bogoslovsky 1958

G. †Afromaenioceras Göddertz 1987

G. †Bensaidites Korn 2002

G. †Maenioceras Schindewolf 1933

G. †Trimaenioceras Bockwinkel and Korn 2024

Fm. †Petteroceratidae Becker and House 1993

G. †Clariondites Bockwinkel et al. 2009

G. †Petteroceras Bogoslovsky 1962

Fm. †Pharciceratidae Hyatt 1900

Subfm. †Pharciceratinae Hyatt 1900

Subfm. †Synpharciceratinae Schindewolf 1940

Fm. †Triainoceratidae Hyatt 1884

G. †Altayites Korn 2002

G. †Sandbergeroceras Hyatt 1894

G. †Schindewolfoceras Miller 1938

G. †Triainoceras

G. †Wellsites House and Kirchgasser 1993

Invalid names: Sandbergeroceratidae Miller 1938 [synonym]

Invalid names: Triainocerataceae Hyatt 1884 [empty]

Invalid names: Anarcestida Miller and Furnish 1954 [synonym]

Subor. †Ammonitina Hyatt 1889

Superfm. †Acanthoceratoidea de Grossouvre 1894

Fm. †Acanthoceratidae Grossouvre 1894

Subfm. †Acanthoceratinae de Groussouvre 1894

G. †Acanthoceras Neumayr 1875

Invalid names: Alternacanthoceras Marcinowski 1979 [synonym], Metacanthoplites Hyatt 1900 [synonym]

G. †Acompsoceras Hyatt 1903

Invalid names: Pseudacompsoceras Spath 1925 [synonym]

G. †Alzadites Kennedy and Cobban 1990

G. †Benueites Reyment 1954

G. †Calycoceras Hyatt 1900

Invalid names: Metacalycoceras Spath 1926 [synonym]

G. †Conlinoceras Cobban and Scott 1972

G. †Cunningtoniceras Collignon 1937

G. †Eucalycoceras Spath 1923

Invalid names: Pseudomantelliceras Thomel 1972 [synonym]

G. †Kastanoceras Kennedy and Cobban 1990

G. †Kennediella Cooper 1979

G. †Kunnamiceras Gale et al. 2019

G. †Microsulcatoceras Kennedy and Cobban 1990

G. †Nebraskites Kennedy and Cobban 1988

G. †Neocardioceras Spath 1926

G. †Nigericeras Schneegans 1943

G. †Paraconlinoceras Kennedy and Cobban 1990

G. †Plesiacanthoceratoides Kennedy 1990

G. †Prohauericeras Nowak 1913

G. †Protacanthoceras Spath 1923

G. †Pseudocalycoceras Thomel 1969

G. †Pseudovascoceras Zaborski 1996

G. †Quitmaniceras Powell 1963

G. †Tarrantoceras Stephenson 1955

G. †Thomelites Juignet et al. 1973

G. †Watinoceras Warren 1930

Subfm. †Euomphaloceratinae Cooper 1978

G. †Burroceras Cobban et al. 1989

G. †Codazziceras Etayo Serna 1979

G. †Euomphaloceras Spath 1923

Invalid names: Kanabiceras Reeside and Weymouth 1931 [synonym]

G. †Hourcqiceras Collignon 1939

G. †Kamerunoceras Reyment 1954

Invalid names: Polyaspidoceras Matsumoto 1978 [synonym], Schindewolfites Wiedmann 1960 [synonym]

G. †Lotzeites Wiedmann 1960

G. †Morrowites Cobban and Hook 1983

G. †Paraburroceras Cobban et al. 1989

G. †Paramammites Furon 1935

G. †Pseudaspidoceras Hyatt 1903

Invalid names: Ampakabites Collignon 1965 [synonym]

G. †Romaniceras Spath 1923

Invalid names: Kossmatia Yabe 1927 [synonym], Tunesites [replaced]

Subfm. †Mammitinae Hyatt 1900

G. †Buccinammonites Kennedy and Cobban 1990

G. †Buchiceras Hyatt 1875

Invalid names: Roemeroceras Hyatt 1903 [synonym]

G. †Cryptometoicoceras Kennedy and Cobban 1990

G. †Dunveganoceras Warren and Stelck 1940

G. †Fikaites Zaborski 1993

G. †Mammites Laube and Bruder 1887

Invalid names: Schluetericeras Hyatt 1903 [synonym]

G. †Metasigaloceras Hyatt 1903

G. †Metoicoceras Hyatt 1903

G. †Mitonia Renz and Alvarez 1979

G. †Nannometoicoceras Kennedy 1988

G. †Parabuchiceras Cooper 1998

G. †Paracompsoceras Cobban 1972

G. †Plesiacanthoceras Haas 1964

G. †Praemetoicoceras Cooper 1998

G. †Pseudoaspidoceras Hyatt 1903

G. †Rhamphidoceras Kennedy and Cobban 1990

G. †Spathites Kummel and Decker 1954

Invalid names: Amblydiscus Adkins 1933 [synonym], Fallotites Wiedmann 1960 [synonym]

G. †Texacanthoceras Cooper 1998

Invalid names: Fallotitinae Wiedmann 1960 [synonym], Mitoniainae Renz and Alvarez 1979 [synonym]

Subfm. †Mantelliceratinae Hyatt 1903

G. †Graysonites Young 1958

G. †Mantelliceras Hyatt 1903

Invalid names: Bunburyiceras Thomel 1972 [synonym], Couloniceras Busnardo 1966 [synonym], Neomantelliceras Thomel 1972 [synonym], Promantelliceras Thomel 1972 [synonym]

G. †Mhriliceras Kennedy and Wright 1985

G. †Mrhiliceras Kennedy and Wright 1985

G. †Sharpeiceras Hyatt 1903

Invalid names: Tlahualiloceras Kellum and Mintz 1962 [synonym]

G. †Submantelliceras

G. †Utaturiceras

Invalid names: Buchiceratidae Hyatt 1903 [synonym], Metoicoceratidae Hyatt 1903 [synonym]

Fm. †Brancoceratidae Spath 1934

Subfm. †Brancoceratinae Spath 1934

G. †Brancoceras Steinmann 1881

Invalid names: Hystatoceras Hyatt 1900 [synonym]

G. †Cantabrigites Spath 1933

G. †Erioliceras Sepkoski 2002

Invalid names: Omocyrtoceras Van Hoepen 1955 [synonym], Tetragonoceras Van Hoepen 1955 [synonym]

G. †Hysteroceras Hyatt 1900

Invalid names: Askoloboceras Van Hoepen 1944 [synonym], Komeceras Van Hoepen 1944 [synonym], Petinoceras Van Hoepen 1944 [synonym], Spathiceras Whitehouse 1927 [synonym], Terasceras van Hoepen 1944 [synonym], Terascosceras Van Hoepen 1944 [synonym]

G. †Neokentroceras Spath 1921

G. †Parabrancoceras Breistroffer 1951

Invalid names: Erioliceratinae Van Hoepen 1955 [synonym]

Subfm. †Mortoniceratinae Douvillé 1912

G. †Algericeras Spath 1925

Invalid names: Prionocycloides Spath 1925 [synonym]

G. †Arestoceras

G. †Elobiceras Spath 1922

G. †Euhystrichoceras Spath 1923

G. †Goodhallites Spath 1932

Invalid names: Aidoceras van Hoepen 1946 [synonym], Cainoceras van Hoepen 1942 [synonym], Lethargeceras van Hoepen 1942 [synonym]

G. †Mortoniceras Meek 1876

Invalid names: Inflaticeras Stieler 1920 [synonym], Pagoceras van Hoepen 1951 [synonym]

G. †Neoharpoceras

G. †Pervinquieria Böhm 1910

Invalid names: Ophryoceras van Hoepen 1942 [synonym]

G. †Prohysteroceras Spath 1921

Invalid names: Drepanoceras van Hoepen 1931 [synonym]

Invalid names: Arestoceratinae van Hoepen 1942 [synonym], Cainoceratinae van Hoepen 1942 [synonym], Drepanoceratinae van Hoepen 1941 [synonym], Inflaticeratinae Spath 1921 [synonym], Pervinquieriinae Spath 1926 [synonym]

Fm. †Cleoniceratidae Whitehouse 1926

Subfm. †Arcthoplitinae Lehmann et al. 2013

G. †Arcthoplites

G. †Bellidiscus Savel'ev 1973

G. †Freboldiceras Imlay 1959

G. †Cleogastroplites Jeletzky 1980

†Cleogastroplites aberrans Jeletzky 1980

G. †Cleoniceras Parona and Bonarelli 1897

Subg. †Cleoniceras (Anacleoniceras)

Subg. †Cleoniceras (Cleoniceras) Parona and Bonarelli 1897

Subg. †Cleoniceras (Neosaynella) Casey 1954

†Cleoniceras cleon d'Orbigny 1841

†Cleoniceras dilleri Jones 1960

†Cleoniceras overbecki Imlay 1960

†Cleoniceras schlaudti Stoyanow 1949

G. †Grycia Imlay 1961

†Cleoniceras (Grycia) densicostata Jeletzky 1980

†Cleoniceras (Grycia) dubium Mikhailova and Terekhova 1975

†Cleoniceras (Grycia) perezianum Whiteaves 1876

†Grycia sablei Imlay 1961

†Grycia whittingtoni Imlay 1961

G. †Lemuroceras

†Arcthoplites (Lemuroceras) linaensis McLearn 1972

Subg. †Lemuroceras (Subarcthoplites) Casey 1954

†Lemuroceras dubium Collignon 1949

G. †Moretella

G. †Pachygrycia Jeletzky 1981

G. †Tetrahoplitoides Casey 1954

†Tetrahoplitoides stantoni Anderson 1902

Invalid names: Coloboceras Brickmay 1927 [replaced]

Subfm. †Vnigriceratinae Saveliev 1973

G. †Anadesmoceras Casey 1954

G. †Astrodiscus Saveliev 1973

G. †Cymahoplites Spath 1922

Invalid names: Lemuroceratinae Owen 1988 [synonym]

Fm. †Coilopoceratidae Hyatt 1903

G. †Coilopoceras Hyatt 1903

†Coilopoceras colleti Hyatt 1903

Invalid names: Coilopoceras novimexicanum Hyatt 1903 [synonym]

†Coilopoceras discoideum Barber 1957

†Coilopoceras grossouvrei Hyatt 1903

†Coilopoceras hyatti Anderson 1958

†Coilopoceras inflatum Cobban and Hook 1980

†Coilopoceras jenksi Benavides-Caceres 1956

†Coilopoceras newelli Benavides-Caceres 1956

†Coilopoceras requienianum Orbigny 1841

†Coilopoceras springeri Hyatt 1903

Invalid names: Coilopoceras chispaense Adkins 1931 [synonym], Coilopoceras eaglefordense Adkins 1931 [synonym]

†Coilopoceras zihoricum Parnes 1964

G. †Erichsenites Magalhaes 1953

G. †Hoplitoides von Koenen 1898

†Hoplitoides crassicostatus Reyment 1955

†Hoplitoides gibbosulus von Koenen 1897

Invalid names: Hoplitoides autenriethi Riedel 1933 [synonym]

†Hoplitoides ingens von Koenen 1897

Invalid names: Hoplitoides wilsingi von Koenen 1898 [synonym]

†Hoplitoides koeneni Solger 1904

†Hoplitoides latefundatus Zaborski 1987

†Hoplitoides latesellatus von Koenen 1898

†Hoplitoides mirabilis Pervinquiére 1907

†Hoplitoides sandovalensis Cobban and Hook 1980

†Hoplitoides solgeri Riedel 1933

†Hoplitoides wohltmanni von Koenen 1897

Invalid names: Neoptychites (Hoplites) lentiformis von Koenen 1897 [synonym]

Fm. †Collignoniceratidae Wright and Wright 1951

Subfm. †Barroisiceratinae Basse 1947

G. †Barroisiceras de Grossouvre 1894

Invalid names: Barroisia Grossouvre 1894 [replaced], Subbarroisiceras [synonym]

G. †Diaziceras

G. †Forresteria Reeside 1932

Invalid names: Eboroceras [synonym], Neokanabiceras Collignon 1965 [synonym]

G. †Kondiloceras Fucini 1901

G. †Niceforoceras Basse 1948

G. †Pseudobarroisiceras

G. †Solgerites Reeside 1932

Invalid names: Piveteauoceras Basse 1947 [synonym]

G. †Yabeiceras Tokunaga and Shimizu 1926

Invalid names: Diaziceratinae Basse 1947 [synonym]

Subfm. †Collignoniceratinae Wright and Wright 1951

G. †Cibolaites Cobban and Hook 1983

G. †Collignoniceras Breistroffer 1947

Invalid names: Prionotropis Meek 1876 [replaced], Selwynoceras Warren and Stelck 1940 [replaced]

G. †Collignonicerites Kennedy et al. 2001

G. †Gauthiericeras de Grossouvre 1894

Invalid names: Andersonites [synonym], Fluminites van Hoepen 1965 [synonym]

G. †Lecointriceras

G. †Lymaniceras Matsumoto 1965

G. †Prionocyclites Kennedy 1988

G. †Prionocycloceras Spath 1926

G. †Prionocyclus Meek 1876

Invalid names: Germariceras Breistroffer 1947 [synonym]

G. †Reesidites Wright and Matsumoto 1954

Invalid names: Itwebeoceras van Hoepen 1968 [synonym]

G. †Subprionocyclus

Invalid names: Oregoniceras Anderson 1958 [synonym]

G. †Subprionotropis Basse 1950

Invalid names: Gauthiericeratinae Van Hoepen 1955 [synonym]

Subfm. †Peroniceratinae Hyatt 1900

G. †Ishikariceras Matsumoto 1965

G. †Peroniceras de Grossouvre 1894

Subfm. †Texanitinae Collignon 1948

G. †Aneuretoceras

G. †Bevahites

G. †Cryptotexanites Kennedy and Cobban 1993

G. †Defordiceras Young 1963

G. †Menabites Collignon 1948

G. †Neogauthiericeras

G. †Paratexanites

Invalid names: Parabevahites Collignon 1948 [synonym]

G. †Pleurotexanites

G. †Protexanites Matsumoto 1955

G. †Reginaites Reyment 1957

G. †Submortoniceras Spath 1926

Invalid names: Butticeras Anderson 1958 [synonym], Jimenesites Carrasco 1967 [synonym]

G. †Texanites Spath 1932

Invalid names: Neoselwynoceras [synonym]

Invalid names: Prionocyclidae Breistroffer 1947 [replaced], Prionotropidae Zittel 1865 [replaced]

Fm. †Flickiidae Adkins 1928

Subfm. †Flickiinae Adkins 1928

G. †Adkinsia Böse 1928

G. †Ficheuria Pervinquiére 1910

G. †Flickia

Subfm. †Salaziceratinae Kennedy and Wright 1984

G. †Neosaynoceras Breistroffer 1947

G. †Salaziceras Breistroffer 1936

G. †Zuluscaphites Van Hoepen 1955

Invalid names: Huescarites Latil 1990 [synonym]

Fm. †Forbesiceratidae Wright 1952

G. †Forbesiceras Kossmat 1897

†Forbesiceras baylissi Wright and Kennedy 1984

†Forbesiceras beaumontianum d'Orbigny 1840

†Forbesiceras brundrettei Young 1958

†Forbesiceras chevillei Pictet and Renevier 1866

Invalid names: Forbesiceras clarki Collignon 1964 [synonym], Forbesiceras nodosum Crick 1907 [synonym], Forbesiceras sculptum Crick 1907 [synonym]

†Forbesiceras conlini Stephenson 1952

†Forbesiceras largilliertianum d'Orbigny 1841

†Forbesiceras obtectum Sharpe 1853

†Forbesiceras subobtectum Stoliczka 1864

†Forbesiceras varicostatum Zaborski 1990

Invalid names: Cenomanites Haug 1898 [objective synonym], Discoceras Kossmat 1895 [replaced], Neopulchellia [synonym]

G. †Paradolphia Casey 1965

†Neophlycticeras (Paradolphia) priscum Casey 1965

Fm. †Leymeriellidae Breistroffer 1951

G. †Leymeriella

Subg. †Leymeriella (Leymeriella) Jacob 1907

†Leymeriella acuticostata Brinkmann 1937

†Leymeriella tardefurcata Leymerie 1841

G. †Neoleymeriella Saveliev 1973

†Leymeriella (Neoleymeriella) diabola Casey 1957

†Leymeriella (Neoleymeriella) pseudoregularis Seitz 1930

†Leymeriella (Neoleymeriella) regularis d'Orbigny 1841

†Neoleymeriella consueta Casey 1957

†Neoleymeriella rudis Casey 1957

G. †Proleymeriella

†Proleymeriella phoenix Casey 1957

†Proleymeriella schrammeni Jacob 1907

Fm. †Lyelliceratidae Spath 1921

G. †Eubrancoceras Breistroffer 1951

†Brancoceras (Eubrancoceras) quenstedti Knechtel 1947

†Eubrancoceras aegoceratoides Steinmann 1881

Subfm. †Lyelliceratinae Spath 1921

G. †Lyelliceras Spath 1921

G. †Pseudobrancoceras Kennedy 2004

G. †Tegoceras Hyatt 1903

Invalid names: Rauliniceras Douvillé 1911 [synonym]

Subfm. †Stoliczkaiellinae Cooper 2012

G. †Metascaphites Wiedmann 1962

Invalid names: Stoliczkaiinae Breistroffer 1953 [replaced]

Fm. †Mojsisovicsiidae Hyatt 1903

Subfm. †Mojsisovicziinae Hyatt 1903

G. †Dipoloceras Hyatt 1900

G. †Dipoloceroides Breistroffer 1947

G. †Falloticeras Parona and Bonarelli 1897

G. †Mirapelia Cooper 1982

G. †Mojsisovicsia Steinmann 1881

G. †Mortoniceratoides Cooper 1982

G. †Oxytropidoceras Stieler 1920

Invalid names: Pseudophacoceras Spath 1921 [objective synonym]

Invalid names: Cechenoceratinae can Hoepen 1941 [synonym], Dipoloceratinae Spath 1921 [synonym]

Fm. †Prolyelliceratidae Latil et al. 2009

G. †Prolyelliceras Spath 1930

†Prolyelliceras alternatum Robert 2002

†Prolyelliceras apuloense Etayo Serna 1979

†Prolyelliceras carvajalorum Etayo Serna 1979

†Prolyelliceras gevreyi Jacob 1907

Invalid names: Lyelliceras flandrini Dubourdieu 1953 [synonym]

†Prolyelliceras isaaclei Etayo Serna 1979

†Prolyelliceras lobatum Riedel 1938

†Prolyelliceras mathewsi Knechtel 1947

†Prolyelliceras prorsocurvatum Gerhardt 1897

Invalid names: Prolyelliceras peruvianum Spath 1930 [synonym]

†Prolyelliceras pseudolyelliforme Etayo Serna 1979

†Prolyelliceras ulrichi Knechtel 1947

Invalid names: Ralphimlayites Etayo Serna 1979 [synonym]

Fm. †Pseudotissotidae Hyatt 1903

G. †Wrightoceras Reyment 1954

†Wrightoceras llarenai Karrenberg 1935

†Wrightoceras munieri Pervinquiére 1907

Invalid names: Hoplitoides inca Benavides-Caceres 1956 [synonym], Imlayiceras washbourni Leanza 1967 [synonym], Proplacenticeras zeharense Collignon 1967 [synonym]

†Wrightoceras submunieri Wiedmann 1975

Invalid names: Herrickiceras Cobban and Hook 1980 [synonym], Imlayiceras Leanza 1967 [synonym]

Fm. †Pseudotissotiidae Hyatt 1903

G. †Eotissotia Barber 1957

†Eotissotia simplex Barber 1957

Subfm. †Hourcquiinae Renz 1982

G. †Hourcquia Collignon 1965

G. †Masiaposites

Subfm. †Pseudotissotiinae Hyatt 1903

G. †Bageites Zaborski 1998

G. †Choffaticeras Hyatt 1903

G. †Donenriquoceras Wiedmann 1960

G. †Pseudotissotia Peron 1887

Invalid names: Bauchioceras Reyment 1954 [synonym], Discovascoceras Collignon 1957 [synonym], Furoniceras Collignon 1957 [synonym]

G. †Thomasites Pervinquiére 1907

†Thomasites adkinsi Kummel and Decker 1954

†Thomasites fischeri Benavides-Caceres 1956

†Thomasites gongilensis Woods 1911

Invalid names: Gombeoceras subtenue Reyment 1954 [synonym]

†Thomasites koulabicus Kler 1909

†Thomasites rollandi Peron 1890

Invalid names: Thomasites egyptiacus Douville 1928 [synonym], Thomasites jordani Pervinquiere 1907 [synonym], Thomasites lefevrei Douville 1928 [synonym], Thomasites mesli Pervinquiere 1907 [synonym]

†Thomasites wallsi Reyment 1954

Invalid names: Gombeoceras Reyment 1954 [synonym]

Invalid names: Hourcqiinae Renz 1982 [empty]

Fm. †Sphenodiscidae Hyatt 1900

G. †Coahuilites Böse 1928

†Coahuilites cavinsi Böse 1928

†Coahuilites orynskii Böse 1928

†Coahuilites sheltoni Böse 1928

G. †Indoceras Noetling 1897

†Indoceras baluchistanense Noetling 1897

Subfm. †Lenticeratinae Hyatt 1900

G. †Eulophoceras Hyatt 1903

Invalid names: Pelecodiscus Van Hoepen 1921 [synonym], Praelibycoceras Douvillé 1912 [synonym], Skoumalia Summesberger 1979 [synonym], Spheniscoceras Spath 1921 [synonym]

G. †Lenticeras Gerhardt 1898

G. †Paralenticeras Hyatt 1900

G. †Libycoceras Hyatt 1900

†Libycoceras acutodorsatus Noetling 1897

Invalid names: Libycoceras chargense Blanckenhorn 1900 [synonym]

†Libycoceras afikpoense Reyment 1955

†Libycoceras crossense Zaborski 1982

†Libycoceras dandense Howarth 1965

†Libycoceras ismaelis Zittel 1884

G. †Manambolites Hourcq 1949

Subg. †Manambolites (Praemanambolites)

Subfm. †Sphenodiscinae Hyatt 1900

G. †Daradiceras Sornay and Tessier 1949

G. †Nubidites Wiedmann 1979

G. †Sphenodiscus Meek 1871

†Sphenodiscus aberrans Böse 1928

†Sphenodiscus beecheri Hyatt 1903

†Sphenodiscus binkhorsti Böhm 1898

†Sphenodiscus brasiliensis Maury 1930

†Sphenodiscus corroyi Sornay and Tessier 1949

†Sphenodiscus intermedius Böse 1928

†Sphenodiscus konincki Hyatt 1903

†Sphenodiscus lobatus Tuomey 1856

Invalid names: Ammonites lenticularis Owen 1852 [replaced]

†Sphenodiscus parahybensis Maury 1930

†Sphenodiscus pleurisepta Conrad 1857

†Sphenodiscus prepleurisepta Böse 1928

†Sphenodiscus siva Forbes 1846

†Sphenodiscus stantoni Hyatt 1903

†Sphenodiscus ubaghsi de Groussouvre 1894

Invalid names: Sphenodiscus rutoti de Grossouvre 1894 [synonym]

Invalid names: Libycoceratidae Zaborski 1982 [synonym]

Fm. †Tissotiidae Hyatt 1900

G. †Glebosoceras Reyment 1954

†Glebosoceras glebosum Reyment 1954

G. †Heterotissotia Peron 1897

†Heterotissotia bucheri Benavides-Caceres 1956

†Heterotissotia neoceratites Peron 1897

†Heterotissotia peroni Lissón 1908

G. †Metatissotia Hyatt 1903

†Metatissotia auressensis Peron 1897

†Metatissotia desmoulinsi de Grossouvre 1894

†Metatissotia ewaldi von Buch 1848

Invalid names: Ammonites robini Thollière 1849 [synonym]

†Metatissotia nanclasi de Grossouvre 1894

†Metatissotia nodosa Hyatt 1903

†Metatissotia redtenbacheri de Grossouvre 1894

†Metatissotia slizewiczi Fallot 1885

Invalid names: Dordiella Reyment 1958 [synonym]

G. †Paratissotia Hyatt 1903

†Paratissotia ficheuri Grossouvre 1893

†Paratissotia grossouvrei Peron 1897

†Paratissotia regularis Hyatt 1903

†Paratissotia serrata Hyatt 1875

†Paratissotia thomasi Peron 1897

†Tissotia (Paratissotia) djelfensis Peron 1897

G. †Subtissotia Hyatt 1903

†Subtissotia africana Peron 1897

†Subtissotia inflata Peron 1897

†Subtissotia intermedia Peron 1897

†Subtissotia peroni Hyatt 1903

G. †Tissotia Douvillé 1890

†Tissotia awguensis Reyment 1955

†Tissotia ewaldi Peron 1896

†Tissotia fourneli Bayle 1849

†Tissotia globosa Hyatt 1903

†Tissotia halli Knechtel 1947

†Tissotia hedbergi Benavides-Caceres 1956

†Tissotia latelobata Solger 1904

†Tissotia polygona Solger 1904

†Tissotia steinmanni Lissón 1908

†Tissotia tissoti Bayle 1878

G. †Tissotioides Reyment 1958

Subg. †Tissotioides (Tissotioides) Reyment 1958

Invalid names: Hemitissotiinae Parnes 1964 [empty]

Fm. †Vascoceratidae Douvillé 1912

G. †Ezilloella Reyment 1954

†Ezilloella ezilloensis Reyment 1954

G. †Microdiphasoceras Cobban et al. 1989

†Microdiphasoceras novimexicanum Cobban et al. 1989

G. †Pseudoneoptychites Leanza 1967

†Pseudoneoptychites andinus Leanza 1967

†Pseudoneoptychites difficilis Leanza 1967

†Pseudoneoptychites intermedius Renz 1982

†Pseudoneoptychites venezolanus Renz 1982

Subfm. †Pseudotissotiinae Hyatt 1903

G. †Hemitissotia Peron 1897

Invalid names: Allotissotia Parnes 1964 [synonym], Plesiotissotia Peron 1897 [synonym]

G. †Rubroceras Cobban et al. 1989

†Rubroceras alatum Cobban et al. 1989

Subfm. †Vascoceratinae Douvillé 1912

G. †Fagesia Pervinquiére 1907

Invalid names: Plesiovascoceras Spath 1926 [synonym]

G. †Infabricaticeras Cobban et al. 1989

G. †Neoptychites Kossmat 1895

Invalid names: Betiokytes Collignon 1965 [synonym]

G. †Vascoceras Choffat 1898

Invalid names: Broggiiceras Benavides-Caceres 1956 [synonym], Greenhornoceras Cobban and Scott 1972 [synonym], Nannovascoceras Renz and Alvarez 1979 [synonym], Pachyvascoceras Furon 1935 [synonym], Paracanthoceras Furon 1935 [synonym], Paravascoceras Furon 1935 [synonym], Provascoceras Cooper 1979 [synonym]

Invalid names: Hystatoceratidae Hyatt 1900 [empty], Peroniceratidae Hyatt 1900 [empty]

Superfm. †Aspidoceratoidea Zittel 1895

Fm. †Aspidoceratidae Zittel 1895

Subfm. †Aspidoceratinae Zittel 1895

G. †Aspidoceras Zittel 1868

G. †Chinamecaceras Cantu-Chapa 2006

G. †Cubaspidoceras Myczynski 1976

G. †Epaspidoceras

G. †Extranodites Jeannet 1951

G. †Glabrophysodoceras

G. †Intranodites Jeannet 1951

G. †Neaspidoceras Spath 1931

G. †Orthaspidoceras

G. †Pseudowaagenia

G. †Schaireria Checa 1985

G. †Simaspidoceras

Invalid names: Physodoceratinae Schindewolf 1925 [synonym]

Subfm. †Epipeltoceratinae Donovan et al. 1981

G. †Epipeltoceras

Subfm. †Euaspidoceratinae Zittel 1895

G. †Euaspidoceras Spath 1931

G. †Paraspidoceras

Subfm. †Hybonoticeratinae Olóriz 1978

G. †Hybonoticeras Breistroffer 1947

G. †Hypowaagenia Schweigert and Schlampp 2020

Subfm. †Peltoceratinae Spath 1924

G. †Gregoryceras

G. †Parapeltoceras

G. †Peltoceras

G. †Peltoceratoides

G. †Peltoraspailites Jeannet 1951

G. †Prieserites Jeannet 1951

G. †Pseudogregoryceras Jeannet 1951

G. †Raspailites Jeannet 1951

G. †Rursiceras

G. †Unipeltoceras Jeannet 1951

G. †Physodoceras Hyatt 1900

†Aspidoceras (Physodoceras) circumspinosum Quenstedt 1857

†Physodoceras altenense d'Orbigny 1850

†Physodoceras burkarti Aguilera 1895

Invalid names: Aspidoceras cajense Burckhardt 1906 [synonym], Aspidoceras phosphoriticum Burckhardt 1906 [synonym]

†Physodoceras gortanii Venzo 1959

†Physodoceras hoplisus Oppel 1863

†Physodoceras widerai Scherzinger et al. 2018

G. †Pseudhimalayites

†Pseudhimalayites subpretiosus Uhlig 1878

Invalid names: Aspidoceras steinmanni Haupt 1907 [synonym], Simocosmoceras pszczolkowskii Myczynski 1989 [synonym]

G. †Simocosmoceras

†Simocosmoceras nitidulum Neumayr 1873

G. †Sutneria Zittel 1884

Subg. †Sutneria (Enosphinctes)

Subg. †Sutneria (Sutneria) Zittel 1884

†Sutneria eumela d'Orbigny 1847

†Sutneria galar Oppel 1863

†Sutneria praecursor Dietrich 1940

G. †Toulisphinctes Sapunov 1979

Superfm. †Deshayesitoidea Stoyanow 1949

Fm. †Deshayesitidae Stoyanow 1949

Subfm. †Deshayesitinae Stoyanow 1949

G. †Deshayesites Kazansky 1914

G. †Dufrenoyia Kilian and Reboul 1915

G. †Prodeshayesites

Subfm. †Mathoceratinae Casey 1963

G. †Cloioceras

G. †Mathoceras Casey 1963

Invalid names: Renziella Kvantaiani 1980 [synonym], Venezuella Kvantaiani 1980 [synonym]

G. †Somalites Pamouktchiev 1983

G. †Turkmeniceras Tovbina 1963

†Turkmeniceras rarecostatum Bogdanova 1971

†Turkmeniceras tumidum Bogdanova 1971

Fm. †Parahoplitidae Spath 1922

Subfm. †Parahoplitinae Spath 1922

G. †Diadochoceras Hyatt 1900

Invalid names: Nodosohoplites [synonym]

G. †Kazanskyella Stoyanow 1949

Invalid names: Sinzowiella Stoyanow 1949 [synonym]

G. †Parahoplites Anthula 1899

G. †Quitmanites Scott 1940

G. †Parahoplitoides Spath 1922

†Parahoplitoides cerrosensis Anderson 1938

†Parahoplitoides plenus Whitehouse 1927

†Parahoplitoides seniloides Anderson 1938

†Parahoplitoides shoupi Anderson 1938

Superfm. †Desmoceratoidea Zittel 1895

Fm. †Beudanticeratidae Breistroffer 1953

G. †Aioloceras Whitehouse 1926

†Aioloceras besairiei Collignon 1949

Invalid names: Cleoniceras (Paracleoniceras) ambiguum Collignon 1963 [synonym], Cleoniceras (Paracleoniceras) cleoniforme Collignon 1963 [synonym], Cleoniceras (Paracleoniceras) crassefalcatum Collignon 1963 [synonym], Cleoniceras (Paracleoniceras) inaequale Collignon 1963 [synonym], Cleoniceras (Paracleoniceras) morganiforme Collignon 1963 [synonym], Cleoniceras (Paracleoniceras) tenuicostatum Collignon 1963 [synonym]

†Aioloceras jonesi Gregory and Smith 1903

Invalid names: Paracleoniceras Collignon 1963 [synonym]

G. †Beudanticeras Hitzell 1902

Subg. †Beudanticeras (Beudanticeras) Hitzel 1902

†Beudanticeras beudanti Brongniart 1822

†Beudanticeras diabloense Anderson 1902

†Beudanticeras flindersi McCoy 1865

†Beudanticeras haydeni Gabb 1864

†Beudanticeras ingente Whitehouse 1928

†Beudanticeras mullerriedi Humphrey 1949

†Beudanticeras robustum Warren 1947

†Beudanticeras sphaerotum Seeley 1866

†Beudanticeras sutherlandbrowni McLearn 1972

†Beudanticeras sutherlandi Etheridge 1872

†Beudanticeras victoris Stoyanow 1949

Invalid names: Rapidoplacenticeras Alabushev 1988 [synonym]

G. †Kislovodskoceras Polkovoy 2021

†Kislovodskoceras kislovodskense Polkovoy 2021

G. †Zurcherella Casey 1954

Fm. †Desmoceratidae Zittel 1895

Subfm. †Barremitinae Breskovski 1977

G. †Barremites Kilian 1915

G. †Barremitites Avram 1997

G. †Kostovites Breskovski 1977

G. †Mogharaeceras Breistroffer 1940

G. †Montanesiceras Breskovski 1977

G. †Patruliusiceras Avram 1978

G. †Plesiospitidiscus

G. †Subsaynella Spath 1923

G. †Torcapella

G. †Bassites Cobban 1987

†Bassites reesidei Cobban 1987

G. †Caseyella Cantu Chapa 1976

†Caseyella aguilerae Burckhardt 1925

†Caseyella flexisulcata d'Orbigny 1841

Subfm. †Desmoceratinae Zittel 1895

G. †Burckhardtites Humphrey 1949

G. †Damesites Matsumoto 1942

Invalid names: Kotoceras Yabe 1927 [replaced], Neokotoceras Anderson 1958 [synonym]

G. †Desmoceras Zittel 1884

Invalid names: Eodesmoceras Spath 1923 [synonym], Latidorsella Jacob 1907 [synonym], Lunatodorsella Breistroffer 1947 [synonym], Phyllodesmoceras Spath 1925 [synonym]

G. †Desmophyllites Spath 1829

Invalid names: Schlueteria de Grossouvre 1894 [replaced], Schluetericeras Collignon 1938 [synonym], Schluteria de Grossouvre 1894 [replaced]

G. †Microdesmoceras Matsumoto 1972

G. †Moremanoceras Cobban 1972

G. †Onitshoceras Reyment 1954

G. †Tragodesmoceroides Matsumoto 1942

Subfm. †Hauericeratinae Matsumoto 1938

G. †Hauericeras de Grossouvre 1894

Invalid names: Pseudogardenia Tomlin 1930 [synonym], Schlueteria Rollier 1922 [synonym]

G. †Mossamedites Cooper 2003

Subfm. †Pseudosaynellinae Casey 1961

G. †Pseudosaynella Spath 1923

Subfm. †Puzosiinae Spath 1922

G. †Abrytusites Nikolov and Brekoviski 1969

G. †Callizoniceras

G. †Feruglioceras Leanza 1968

G. †Grandidiericeras

G. †Jimboiceras

Invalid names: Eocanadoceras Anderson 1958 [synonym]

G. †Kennicottia Imlay 1959

G. †Kitchinites Spath 1922

G. †Lytodiscoides

G. †Melchiorites Spath 1923

G. †Mesopuzosia Matsumoto 1954

G. †Oiophyllites Spath 1953

G. †Pachydesmoceras Spath 1922

G. †Parapuzosia Nowak 1913

G. †Pseudohaploceras Hyatt 1900

G. †Pseudosilesites Egoian 1969

G. †Puzosia Bayle 1878

G. †Umsinenoceras Kennedy et al. 1979

G. †Valdedorsella Breistroffer 1947

Invalid names: Weavericeras [synonym]

Subfm. †Silesitoidinae Breistroffer 1953

G. †Parasilesites Imlay 1959

G. †Silesitoides

Subfm. †Uhligellinae Latil et al. 2023

G. †Boliteceras Whitehouse 1928

G. †Brewericeras Casey 1954

G. †Cophinoceras Whitehouse 1928

Invalid names: Beudantiella Breistroffer 1947 [synonym]

G. †Grantziceras Imlay 1960

G. †Leconteites Casey 1954

Invalid names: Puzosigella Casey 1954 [synonym], Vnigriceras Saveliev 1973 [synonym]

G. †Pseudorbulites Casey 1961

G. †Roberticeras Latil et al. 2023

G. †Uhligella

G. †Zuercherella Casey 1954

G. †Wollemanniceras Breistroffer 1947

†Callizoniceras (Wollemanniceras) alaskanum Imlay 1960

†Callizoniceras (Wollemanniceras) fohlinense Imlay 1960

†Wollemanniceras anterior Brinkmann 1937

†Wollemanniceras keilhacki Wollemann 1904

Invalid names: Eodesmoceratinae Wright 1955 [empty]

Fm. †Kossmaticeratidae Spath 1922

Subfm. †Kossmaticeratinae Spath 1922

G. †Brahmaites

G. †Grossouvrites Kilian and Reboul 1909

G. †Gunnarites Kilian and Reboul 1909

G. †Jacobites Kilian and Reboul 1909

Invalid names: Aucklandites Marshall 1927 [synonym], Neomadrasites Marshall 1926 [synonym]

G. †Kossmaticeras Grossouvre 1901

Invalid names: Madrasites Kilian and Reboul 1909 [synonym], Pesudoholcodiscus Kilian and Reboul 1909 [synonym]

G. †Maorites Marshall 1926

G. †Neograhamites Spath 1953

G. †Pseudokossmaticeras Spath 1922

G. †Yokoyamaoceras Wright and Matsumoto 1954

Subfm. †Marshallitinae Matsumoto 1955

G. †Eogunnarites

G. †Eomadrasites

G. †Eomarshallites Medina and Rinaldi 1986

G. †Holcodiscoides

G. †Hulenites Matsumoto 1955

G. †Maccarthyites Matsumoto 1959

G. †Marshallites Matsumoto 1955

G. †Mikasaites Matsumoto 1956

G. †Moffitites Imlay 1959

G. †Protokossmaticeras Collignon 1964

G. †Wellmanites Wright 1957

G. †Yakushiceras Matsumoto 1991

G. †Yeharites Matsumoto 1991

Fm. †Muniericeratidae Wright 1952

G. †Muniericeras

†Muniericeras bilottei Collignon 1983

†Muniericeras lapparenti de Grossouvre 1894

Invalid names: Morrisites Van Hoepen 1968 [synonym], Praemuniericeras [synonym]

G. †Pseudoschloenbachia Spath 1921

Subg. †Pseudoschloenbachia (Fournierella)

Subg. †Pseudoschloenbachia (Pseudoschloenbachia) Spath 1921

†Pseudoschloenbachia bakwerri Reyment 1958

†Pseudoschloenbachia boulei Basse 1931

G. †Texasia Reeside 1932

†Barroisiceras (Texasia) dartoni Reeside 1932

†Texasia rivierae Collignon 1983

Invalid names: Praemuniericeras boriesi Collignon 1983 [synonym]

Invalid names: Lehmaniceras [synonym]

G. †Tragodesmoceras Spath 1922

†Tragodesmoceras ashlandicum Anderson 1902

Invalid names: Pachydiscus oregonensis Anderson 1958 [synonym]

†Tragodesmoceras averilli Anderson 1958

†Tragodesmoceras bassi Morrow 1935

†Tragodesmoceras carlilense Cobban 1972

†Tragodesmoceras clypealoides Leonhard 1897

†Tragodesmoceras dresdense Petrascheck 1902

†Tragodesmoceras socorroense Cobban and Hook 1979

Invalid names: Pseudoschloenbachiidae van Hoepen 1968 [synonym]

Fm. †Pachydiscidae Spath 1922

G. †Baskaniceras Wright and Kennedy 1984

†Baskaniceras deshayesitoides Wright and Kennedy 1984

†Baskaniceras smithi Wright and Kennedy 1984

G. †Canadoceras Spath 1922

†Canadoceras andromeda Maury 1930

†Canadoceras cottreaui Collignon 1938

†Canadoceras fraternum Gabb 1869

†Canadoceras hoepeni Collignon 1955

†Canadoceras kossmati Matsumoto 1954

†Canadoceras multicostatum Matsumoto 1954

†Canadoceras multisulcatum Whiteaves 1903

†Canadoceras mysticum Matsumoto 1954

†Canadoceras newberryanum Meek 1858

Invalid names: Canadoceras celeste Anderson 1958 [synonym], Canadoceras georgianum Anderson 1958 [synonym]

†Canadoceras riogramamense Maury 1930

†Canadoceras whiteavesi Anderson 1958

†Canadoceras yokoyamai Jimbo 1894

G. †Chimbuites Casey and Glaessner 1958

†Chimbuites giganteus Matsumoto and Skwarko 1993

†Chimbuites mirindowensis Wright 1963

†Chimbuites sinuosocostatus Casey and Glaessner 1958

G. †Eopachydiscus

†Eopachydiscus marcianus Cobban 1987

G. †Eupachydiscus Spath 1922

†Eupachydiscus depressus Henderson 1970

†Eupachydiscus grossouvrei Kossmat 1898

†Eupachydiscus haradai Jimbo 1894

†Eupachydiscus isculensis Redtenbacher 1873

Invalid names: Pseudomenuites katschthaleri Immel et al. 1982 [synonym]

†Eupachydiscus lamberti Collignon 1938

†Eupachydiscus macoveii Szász 1981

†Eupachydiscus pseudogrossouvrei Collignon 1955

†Eupachydiscus sayni de Grossouvre 1894

†Eupachydiscus suciensis Meek 1861

†Eupachydiscus teshioensis Jimbo 1874

Invalid names: Mesopachydiscus Yabe and Shimizu 1926 [synonym]

G. †Hoepenites

†Hoepenites antecursor Van Hoepen 1921

G. †Lewesiceras Spath 1939

†Lewesiceras jimboi Kossmat 1898

†Lewesiceras mantelli Wright and Wright 1951

Invalid names: Lewesiceras lenesicense Housa 1967 [synonym], Lewesiceras romani Sornay 1964 [synonym], Pachydiscus cricki Spath 1926 [replaced]

†Lewesiceras peramplum Mantell 1822

†Lewesiceras pingue Leanza 1967

†Lewesiceras ubatense Leanza 1967

†Lewesiceras wiedmanni Wright and Kennedy 1984

†Lewesiceras woodi Wright 1979

G. †Menabonites

G. †Menuites Spath 1922

†Menuites arrialoorensis Stoliczka 1865

†Menuites costatus Kennedy and Summesberger 1986

†Menuites fresvillensis Seunes 1890

Invalid names: Pachydiscus supremus Petho 1906 [synonym]

†Menuites gerardoi Salazar et al. 2010

†Menuites menu Forbes 1846

†Menuites oralensis Cobban and Kennedy 1993

†Menuites portlocki Sharp 1855

†Menuites sanadai Matsumoto 1984

†Menuites soyaensis Matsumoto and Miyauchi 1984

†Menuites wittekindi Schlüter 1876

Invalid names: Anapachydiscus Yabe and Shimizu 1926 [synonym], Cobbanoscaphites [synonym], Neopachydiscus [synonym]

G. †Nowakites

†Nowakites carezi de Grossouvre 1894

†Nowakites draschei Redtenbacher 1873

†Nowakites hernensis Schluter 1867

†Nowakites klamathonis Anderson 1958

†Nowakites pailletteanus d'Orbigny 1841

Invalid names: Nowakites lemarchandi de Grossouvre 1894 [synonym], Puzosia lemarchandi de Grossouvre 1894 [synonym]

†Nowakites puertoensis Anderson 1958

†Nowakites savini de Grossouvre 1894

†Nowakites talavignesii d'Orbigny 1850

G. †Pachydiscoides

†Pachydiscoides janeti de Grossouvre 1894

G. †Pachydiscus Zittel 1884

Subg. †Pachydiscus (Neodesmoceras) Matsumoto 1947

Subg. †Pachydiscus (Pachydiscus) Zittel 1884

†Pachydiscus armenicus Atabekian and Akopian 1969

†Pachydiscus besairiei Basse 1930

†Pachydiscus binodatus Whiteaves 1903

†Pachydiscus buckhami Usher 1952

Invalid names: Pachydiscus elkhornensis Usher 1952 [synonym], Parapachydiscus gabbi Anderson 1958 [synonym], Parapachydiscus panochensis Anderson 1958 [synonym]

†Pachydiscus colligatus Binkhorst 1861

Invalid names: Pachydiscus vandenbroecki de Grossouvre 1894 [synonym]

†Pachydiscus epiplectus Redtenbacher 1873

†Pachydiscus excelsus Matsumoto 1979

†Pachydiscus flexuosus Matsumoto 1979

†Pachydiscus gollevillensis d'Orbigny 1847

†Pachydiscus hauthali Paulcke 1907

†Pachydiscus launayi de Grossouvre 1894

†Pachydiscus levyi de Grossouvre 1894

†Pachydiscus naumanni Yokoyama 1890

†Pachydiscus neevesi Whiteaves 1903

Invalid names: Parapachydiscus bidwelli Anderson 1958 [synonym]

†Pachydiscus patagonicus Paulcke 1907

†Pachydiscus peramplus Mantell 1822

†Pachydiscus perfidus Grossouvre 1894

†Pachydiscus precolligatus Collignon 1955

Invalid names: Pachydiscus gignouxi Collignon 1955 [synonym]

†Pachydiscus riccardi Macellari 1986

†Pachydiscus stallauensis Imkeller 1901

†Pachydiscus steinmanni Paulcke 1907

†Pachydiscus subcompressus Matsumoto 1954

Invalid names: Joaquinites fascicostatus Anderson 1958 [synonym]

†Pachydiscus subrobustus Seunes 1892

Invalid names: Joaquinites Anderson 1958 [synonym], Parapachydiscus Hyatt 1900 [synonym], Pseudomenuites Matsumoto 1955 [synonym]

G. †Patagiosites Spath 1953

†Patagiosites alaskensis Jones 1963

†Patagiosites amarus Paulcke 1907

†Patagiosites arbucklensis Anderson 1958

Invalid names: Eupachydiscus willgreeni Anderson 1958 [synonym], Nowakites dobbinsi Anderson 1958 [synonym], Nowakites rumseyensis Anderson 1958 [synonym], Puzosia (Holcodiscoides) gorrilli Anderson 1958 [synonym], Puzosia (Parapuzosia) arenaica Anderson 1958 [synonym]

†Patagiosites laevis Morozumi 1985

†Patagiosites patagiosus Spath 1953

†Patagiosites stobaei Nilsson 1827

G. †Pseudojacobites

†Pseudojacobites farmeryi Crick 1910

Invalid names: Desmoceras marlowense Noble 1911 [synonym]

Invalid names: Pseudopuzosia [synonym]

G. †Teshioites

G. †Tongoboryceras Housa 1967

†Tongoboryceras canali de Grossouvre 1894

†Tongoboryceras hancocki Kennedy 1984

†Tongoboryceras kawashitai Matsumoto 1979

†Tongoboryceras rhodanicum Roman and Mazeran 1913

†Tongoboryceras satoi Matsumoto 1979

†Tongoboryceras tongoboryense Collignon 1952

G. †Tuberodiscoides

G. †Urakawites

Fm. †Silesitidae Hyatt 1900

G. †Haplobrancoceras Avram 1990

†Haplobrancoceras subquadratum Avram 1990

G. †Miyakoceras

†Miyakoceras hayamii Obata 1967

†Miyakoceras tanohatense Obata 1967

G. †Neoastieria Egoian 1969

†Neoastieria patagonica Medina and Riccardi 2005

†Neoastieria reliqua Egoian 1969

G. †Neosilesites

†Neosilesites nepos Douvillé 1916

Invalid names: Neposiella [synonym]

G. †Piatnitzkyceras Medina and Riccardi 2005

†Piatnitzkyceras bonarellii Medina and Riccardi 2005

†Piatnitzkyceras infirmum Medina and Riccardi 2005

G. †Silesites Uhlig 1883

†Silesites puzosiaformis Anderson 1938

†Silesites seranonis d'Orbigny 1841

†Silesites trajani Tietze 1872

†Silesites vulpes Coquand 1878

Invalid names: Beneckeia Uhlig 1882 [replaced]

Invalid names: Puzosiidae Spath 1922 [empty]

Superfm. †Engonoceratoidea Hyatt 1903

Fm. †Knemiceratidae Hyatt 1903

G. †Glottoceras Hyatt 1875

†Glottoceras attenuatum Hyatt 1875

†Glottoceras crassicostatum Sommermeier 1910

†Glottoceras crassinodosum Sommermeier 1910

†Glottoceras gabbi Hyatt 1903

†Glottoceras laraense Renz 1970

†Glottoceras moorei Knechtel 1947

†Glottoceras ollonense Gabb 1877

†Glottoceras ovale Benavides-Caceres 1956

†Glottoceras raimondii Lisson 1908

†Glottoceras semicostatum Sommermeier 1910

†Glottoceras sommermeieri Knechtel 1947

†Glottoceras triangulare Benavides-Caceres 1956

G. †Hypengonoceras Spath 1922

†Hypengonoceras chouberti Collignon 1966

†Hypengonoceras decaryi Collignon 1963

†Hypengonoceras fauremuretae Collignon 1966

†Hypengonoceras tarfayense Collignon 1966

†Hypengonoceras warthi Kossmat 1895

G. †Knemiceras Böhm 1898

Subg. †Knemiceras (Iranoknemiceras) Collignon 1983

Subg. †Knemiceras (Omaimaiceras) Moret and Mahmoud 1955

†Knemiceras aegyptiacum Mahmoud 1955

†Knemiceras arambourgi Basse 1940

†Knemiceras compressum Hyatt 1903

†Knemiceras deserti Mahmoud 1955

†Knemiceras douvillei Basse 1940

†Knemiceras dubertreti Basse 1940

†Knemiceras flexiloculosum Basse 1940

†Knemiceras gracile Douvillé 1916

†Knemiceras gracilecostatum Sommermeier 1910

†Knemiceras iraniense Collignon 1983

†Knemiceras kazhdumiense Collignon 1983

†Knemiceras lanceolatum Latil and Jaillard 2023

†Knemiceras libertadense Breistroffer 1952

†Knemiceras multicostatum Latil and Jaillard 2023

†Knemiceras saadense Peron and Thomas 1890

†Knemiceras sagetae Latil and Jaillard 2023

†Knemiceras saharae Collignon 1965

†Knemiceras spathi Mahmoud 1955

†Knemiceras subcomplicatum Basse 1940

†Knemiceras subcompressum Hyatt 1903

†Knemiceras syriacum Von Buch 1848

†Knemiceras toussainti Pervinquiere 1907

†Knemiceras tunisiense Latil and Jaillard 2023

†Knemiceras uhligi Choffat 1886

G. †Parengonoceras Spath 1924

†Parengonoceras algerianum Dubourdieu 1953

†Parengonoceras bussoni Collignon 1965

†Parengonoceras caneroti Canérot and Collignon 1983

†Parengonoceras champaraense Benavides-Caceres 1956

†Parengonoceras chottensis Latil and Jaillard 2023

†Parengonoceras duartei Etayo Serna 1979

†Parengonoceras ebrayi de Loriol 1882

†Parengonoceras guadaloupaeforme Sommermeier 1910

†Parengonoceras haasi Benavides-Caceres 1956

†Parengonoceras mahmoudi Dubourdieu 1953

†Parengonoceras pernodosum Sommermeier 1910

Invalid names: Knemiceras tetranodosum Lisson 1925 [synonym]

†Parengonoceras roemeri Cragin 1893

Invalid names: Knemiceras azlense Scott 1940 [synonym], Knemiceras nodosum Scott 1940 [synonym], Knemiceras trinitense Scott 1940 [synonym]

†Parengonoceras ziczag Breistroffer 1952

G. †Platiknemiceras Bataller 1954

†Platiknemiceras bassei Bataller 1954

†Platiknemiceras flexuosum Kennedy et al. 1998

†Platiknemiceras hachourii Dubourdieu 1953

Superfm. †Eoderoceratoidea Spath 1929

Fm. †Coeloceratidae Haug 1910

G. †Andicoeloceras Hillebrandt 2006

†Andicoeloceras jenseni Hillebrandt 2006

†Andicoeloceras primum Hillebrandt 2006

†Andicoeloceras teloceriforme Hillebrandt 2006

G. †Apoderoceras Buckman 1921

Subg. †Apoderoceras (Miltoceras) Wiedenmayer 1980

†Apoderoceras aculeatum Simpson 1843

Invalid names: Aegoceras leckenbyi Wright 1880 [synonym], Ammonites marshallani Simpson 1843 [synonym]

†Apoderoceras antiquum Lóczy 1915

†Apoderoceras dunrobinense Spath 1926

†Apoderoceras ferox Buckman 1925

†Apoderoceras sparsinodum Quenstedt 1849

†Apoderoceras subtriangulare Young and Bird 1822

G. †Bakonyceras Geczy and Meister 2007

†Bakonyceras evolutum Geczy 1976

G. †Coeloceras Hyatt 1867

†Coeloceras depressum Rosenberg 1909

†Coeloceras grenouillouxi d'Orbigny 1844

Invalid names: Aegoceras pettos Quenstedt 1843 [synonym]

†Coeloceras oosteri Hug 1899

Invalid names: Ammonites henleyi Ooster 1860 [replaced]

†Coeloceras seguenzae Gemmellaro 1884

†Coeloceras subpettos Gemmellaro 1884

†Stephanoceras (Coeloceras) commune Sowerby 1815

G. †Meridiceras Hillebrandt 2006

†Meridiceras amolanasense Hillebrandt 2006

†Meridiceras celericrescens Hillebrandt 2006

†Meridiceras densicostatum Hillebrandt 2006

†Meridiceras externum Hillebrandt 2006

†Meridiceras santanderi Hillebrandt 2006

G. †Miltoceras Wiedenmayer 1980

†Miltoceras bettonii Fucini 1908

†Miltoceras chilcaense Hillebrandt 2006

†Miltoceras deficiens Wiedenmayer 1980

†Miltoceras furlense Venturi et al. 2007

†Miltoceras gruenae Blau 1998

†Miltoceras involutum Meister et al. 2011

†Miltoceras irregulare Rosenberg 1909

†Miltoceras reductispinosum Hillebrandt 2006

†Miltoceras roseum Wiedenmayer 1980

†Miltoceras sellae Gemmellaro 1884

†Miltoceras taguendoufi El Hariri et al. 1996

G. †Pimelites

G. †Praesphaeroceras

Invalid names: Diaphorites Fucini 1896 [synonym]

G. †Pseudoskirroceras Wiedenmayer 1980

†Pseudoskirroceras imlayi Smith and Tipper 1988

†Pseudoskirroceras laticostatum Hillebrandt 2006

†Pseudoskirroceras mastodon Fucini 1935

†Pseudoskirroceras stephaniforme Hillebrandt 2006

†Pseudoskirroceras varisculptum Hillebrandt 2006

†Pseudoskirroceras wiedenmayeri Hillebrandt 1981

G. †Tetraspidoceras

†Tetraspidoceras loczyi Géczy 1998

†Tetraspidoceras piobbicoensis Geczy and Meister 2007

†Tetraspidoceras quadrarmatum Dumortier 1867

†Tetraspidoceras reynesi Reynes 1879

†Tetraspidoceras rhodanicum Buckman 1918

†Tetraspidoceras westfieldense Edmunds et al. 2003

G. †Zamaiceras Rakús and Guex 2002

†Zamaiceras carinatum Rakús and Guex 2002

†Zamaiceras mangoldi Rakús and Guex 2002

Invalid names: Coeloceratinae Haug 1910 [empty], Pimelitidae Wiedenmayer 1977 [synonym]

Fm. †Dactylioceratidae Hyatt 1867

Subfm. †Dactylioceratinae Hyatt 1867

G. †Catacoeloceras

Invalid names: Transicoeloceras [synonym]

G. †Collina Bonarelli 1893

Invalid names: Collinites Atrops 1972 [synonym], Mucrodactylites [synonym]

G. †Dactylioceras Hyatt 1867

Invalid names: Anguidactylites Buckman 1926 [synonym], Arcidactylites Buckman 1926 [synonym], Athlodactylites Buckman 1927 [synonym], Curvidactylites Buckman 1927 [synonym], Koinodactylites Buckman 1927 [objective synonym], Leptodactylites Buckman 1926 [synonym], Microdactylites [synonym], Nomodactylites Buckman 1927 [synonym], Parvidactylites Buckman 1927 [synonym], Peridactylites Buckman 1926 [synonym], Planicoeloceras Venturi and Ferri 2001 [synonym], Rakusites Guex 1971 [synonym], Simplidactylites Buckman 1927 [synonym], Toxodactylites Buckman 1926 [synonym], Vermidactylites Buckman 1926 [synonym], Xeinodactylites Buckman 1926 [synonym]

G. †Nodicoeloceras Buckman 1926

Invalid names: Crassicoeloceras Buckman 1926 [synonym], Fibulocoeloceras Venturi and Ferri 2001 [synonym], Lobodactylites Buckman 1926 [synonym], Mesodactylites Pinna and Levi-Setti 1971 [synonym], Multicoeloceras Buckman 1926 [synonym], Spinicoeloceras Buckman 1926 [synonym]

G. †Peronoceras

G. †Porpoceras

Invalid names: Platystrophites Levi-Setti and Pinna 1971 [synonym], Telodactylites Pinna and Levi-Setti 1971 [synonym]

G. †Reynesoceras Spath 1936

Invalid names: Aveyroniceras [synonym]

G. †Septimaniceras Faure 2002

G. †Zugodactylites Buckman 1926

Invalid names: Gabillytes Guex 1971 [synonym], Omolonoceras Dagis 1967 [synonym]

Invalid names: Kedoceratinae Dagis 1968 [synonym], Mesodactylioceratinae Pinna and Levi-Setti 1971 [synonym], Nodicoeloceratinae Venturi and Ferri 2001 [synonym], Reynesoceratinae Wiedenmayer 1977 [synonym]

Subfm. †Reynesocoeloceratinae Dommergues 1986

G. †Bettoniceras Wiedenmayer 1977

G. †Cetonoceras Wiedenmayer 1977

Invalid names: Seccianoceras Venturi 1995 [synonym]

G. †Prodactylioceras Spath 1923

Invalid names: Paralytoceras Frebold 1922 [synonym]

G. †Reynesocoeloceras Geczy 1976

Invalid names: Indunoceras Wiedenmayer 1977 [synonym]

Fm. †Eoderoceratidae Spath 1929

G. †Appenninoceras Meister and Dommergues 2011

†Appenninoceras neronensis Geczy and Meister 2007

G. †Callomoniceras Meister and Dommergues 2011

†Callomoniceras kisnyergesarokensis Geczy and Meister 2007

†Callomoniceras parahungaricum Geczy and Meister 2007

Subfm. †Eoderoceratinae Spath 1929

G. †Bifericeras

Invalid names: Hemimicroceras Spath 1925 [synonym], Microceras Hyatt 1867 [replaced], Ophideroceras Spath 1925 [synonym]

G. †Crucilobiceras Buckman 1920

G. †Dubariceras Dommergues et al. 1984

Invalid names: Farinaccites Faraoni et al. 1997 [synonym]

G. †Eoderoceras Spath 1925

Invalid names: Paraderoceras Venturi et al. 2004 [synonym]

G. †Eteoderoceras Edmunds 2009

Invalid names: Deroceras Hyatt 1867 [replaced]

G. †Hyperderoceras

G. †Metaderoceras Spath 1925

Invalid names: Spiniclaviceras Venturi et al. 2007 [synonym]

G. †Microderoceras Hyatt 1871

G. †Parahyperderoceras Schlatter 1980

G. †Paramicroderoceras Dommergues et al. 1994

G. †Promicroceras Spath 1925

G. †Xipheroceras Buckman 1911

Invalid names: Praederoceras Dietz 1916 [objective synonym]

Invalid names: Paramicroderoceratinae Venturi et al. 2004 [synonym]

Subfm. †Fanninoceratinae Dommergues and Meister 1999

G. †Andidiscus Hillebrandt 2006

G. †Eoamaltheus Hillebrandt 1981

G. †Fanninoceras McLearn 1930

Invalid names: Austromorphites Leanza and Blasco 1990 [synonym]

Invalid names: Deroceratidae Hyatt 1867 [synonym], Dubariceratidae Dommergues and Meister 1999 [synonym], Hemimicroceratidae Spath 1929 [synonym], Microceratidae Spath 1926 [synonym], Xipheroceratidae Spath 1925 [synonym]

Fm. †Liparoceratidae Hyatt 1867

G. †Aegoceras Waagen 1869

Subg. †Aegoceras (Aegoceras) Waagen 1869

Subg. †Aegoceras (Beaniceras) Buckman 1913

Subg. †Aegoceras (Oistoceras) Buckman 1911

†Aegoceras carpathicum Callomon and Grădinaru 2005

†Aegoceras maculatum Young and Bird 1822

†Aegoceras nodoblongum Quenstedt 1900

Invalid names: Amblycoceras Hyatt 1900 [objective synonym], Defossiceras Buckman 1913 [synonym]

Subfm. †Amaltheinae Hyatt 1867

G. †Amaltheus de Montfort 1808

Invalid names: Nordamaltheus Repin 1968 [synonym], Proamaltheus Lange 1932 [synonym]

G. †Amauroceras Buckman 1913

G. †Pleuroceras Hyatt 1868

Invalid names: Paltopleuroceras Buckman 1898 [objective synonym]

Invalid names: Paltopleuroceratidae Spath 1926 [synonym]

G. †Androgynoceras Hyatt 1867

†Androgynoceras alloeotypus Trueman 1919

†Androgynoceras capricornus Schlotheim 1820

†Androgynoceras geyeri Spath 1938

†Androgynoceras hybrida d'Orbigny 1844

†Androgynoceras intracapricornus Quenstedt 1885

†Androgynoceras mickletonense Spath 1938

†Androgynoceras naptonense Spath 1938

†Androgynoceras sparsicosta Trueman 1919

G. †Liparoceras Hyatt 1867

Subg. †Liparoceras (Becheiceras) Trueman 1918

Subg. †Liparoceras (Liparoceras) Hyatt 1867

†Liparoceras bronni Spath 1938

†Liparoceras carpathicum Callomon and Grădinaru 2005

†Liparoceras divaricosta Trueman 1919

†Liparoceras elegans Spath 1938

†Liparoceras kilsbiense Spath 1938

†Liparoceras pseudostriatum Trueman 1919

†Liparoceras rusticum Spath 1938

†Liparoceras striatum Reinecke 1820

†Liparoceras tiara Trueman 1919

G. †Vicininodiceras

†Vicininodiceras mouterdei Donovan 1990

†Vicininodiceras simplicicosta Trueman 1919

†Vicininodiceras tomfryi Donovan 1990

Invalid names: Aegoceratinae Neumayr 1875 [empty], Androgynoceratinae Géczy 1976 [empty], Liparoceratinae Hyatt 1867 [empty]

Fm. †Phricodoceratidae Spath 1938

G. †Capreoliceras Alkaya and Meister 1995

†Capreoliceras asagiensis Alkaya and Meister 1995

G. †Foetterleiceras Rakús and Guex 2002

†Foetterleiceras foetterlei Hauer 1856

†Foetterleiceras salmojraghii Parona 1894

G. †Phricodoceras Hyatt 1900

†Phricodoceras bettonii Geczy 1976

†Phricodoceras cantaluppii Fantini Sestini 1978

†Phricodoceras lamellosum d'Orbigny 1844

Invalid names: Aegoceras subtaylori Krumbeck 1922 [synonym]

†Phricodoceras paronai Bettoni 1900

†Phricodoceras taylori Sowerby 1826

Invalid names: Ammonites quadricornutus Simpson 1855 [synonym], Phricodoceras cornutum Simpson 1843 [synonym]

†Phricodoceras urkuticum Geczy 1959

Invalid names: Hemiparinodiceras Geczy 1959 [synonym]

G. †Pseudophricodoceras Mouterde et al. 1983

G. †Pseuduptonia Bremer 1965

†Pseuduptonia dubium Pia 1913

†Pseuduptonia micromphala Pia 1913

†Pseuduptonia suessi Gugenberger 1929

G. †Villania Till 1909

†Villania callomoni Géczy 1998

†Villania densilobata Till 1909

†Villania galaczi Géczy 1998

†Villania kopeki Géczy 1998

†Villania latispira Venturi et al. 2005

†Villania rollieri Lóczy 1915

Invalid names: Coeloderoceras Spath 1923 [synonym], Epideroceras Spath 1923 [synonym], Omoderoceras Venturi et al. 2004 [synonym]

Invalid names: Epideroceratidae Dommergues and Meister 1999 [synonym], Villaniinae Arkell 1957 [synonym]

Fm. †Polymorphitidae Haug 1887

Subfm. †Polymorphitinae Haug 1887

G. †Gemmellaroceras Hyatt 1900

Invalid names: Furlites Venturi and Ferri 2001 [synonym], Leptonotoceras Spath 1925 [synonym], Pelingoceras Venturi et al. 2005 [synonym], Tubellites Buckman 1924 [synonym]

G. †Jamesonites Buckman 1923

G. †Parinodiceras Trueman 1918

Invalid names: Platynoticeras Spath 1938 [synonym]

G. †Platypleuroceras Hyatt 1867

G. †Polymorphites Haug 1887

Invalid names: Caleites Venturi and Ferri 2001 [synonym], Gorgheiceras Venturi and Ferri 2001 [synonym], Paramorphites Venturi et al. 2007 [synonym]

G. †Uptonia Buckman 1898

Invalid names: Furlitinae Venturi et al. 2007 [synonym], Parinodiceratinae Edmunds 2009 [synonym]

Subfm. †Tropidoceratinae Hyatt 1900

G. †Acanthopleuroceras Hyatt 1900

Invalid names: Cycloceras Hyatt 1867 [synonym]

G. †Catriceras Venturi 1978

G. †Dayiceras

G. †Paratropidoceras Dommergues and Meister 2004

Invalid names: Tunisiceras Dommergues et al. 2004 [synonym]

G. †Tropidoceras Hyatt 1867

Invalid names: Eremiticeras Faraoni et al. 2002 [synonym]

Invalid names: Acanthopleuroceratinae Arkell 1950 [synonym]

Superfm. †Hammatoceratoidea Schindewolf 1964

Fm. †Hammatoceratidae Buckman 1887

Subfm. †Erycitinae Spath 1928

G. †Abbasites Buckman 1921

Invalid names: Ambersites Buckman 1921 [synonym]

G. †Abbasitoides Geczy 1966

G. †Cagliceras Rulleau and Elmi 2001

G. †Erycites

G. †Fissilobiceras Buckman 1919

†Fissilobiceras ovale Quenstedt 1886

†Fissilobiceras zitteli Gottsche 1878

G. †Geczyceras Martínez 1992

†Geczyceras allobrogense Dumortier 1874

†Geczyceras bonarellii Parisch and Viale 1906

†Geczyceras clausum Gabilly 1973

†Geczyceras costatum Gabilly 1973

†Geczyceras costulosum Merla 1934

†Geczyceras galaczi Kovács 2009

†Geczyceras martinezae Kovács 2009

†Geczyceras perplanum Prinz 1904

Invalid names: Hammatoceras clavatum Fossa-Mancini 1914 [synonym]

†Geczyceras porcarellense Bonarelli 1899

†Geczyceras speciosum Janensch 1902

G. †Hammatoceras

†Hammatoceras insigne Schubler 1831

†Hammatoceras lorteti Dumortier 1874

†Hammatoceras pachu Buckman 1921

†Hammatoceras semilunatum Quenstedt 1885

†Hammatoceras sieboldi Oppel 1862

†Hammatoceras simulator Monestier 1921

†Hammatoceras trigonatum Quenstedt 1885

Invalid names: Hammatoceras cappucinum Buckman 1921 [synonym]

Invalid names: Accardia Cresta 1997 [synonym], Chartronia Buckman 1898 [synonym], Pachammatoceras Buckman 1921 [synonym]

Subfm. †Hammatoceratinae Buckman 1887

G. †Bredyia

Invalid names: Burtonia Buckman 1910 [replaced], Pseudammatoceras [synonym]

G. †Crestaites Rulleau and Elmi 2001

G. †Erycitoides Westermann 1964

Invalid names: Kialagvikes Westermann 1964 [synonym]

G. †Euaptetoceras

Invalid names: Ceccaites Cresta 1997 [synonym], Csernyeiceras Géczy 1966 [synonym], Parammatoceras [synonym]

G. †Eudmetoceras

Invalid names: Rhodaniceras Elmi 1963 [synonym]

G. †Onychoceras Wunstrorf 1905

G. †Paviaites Cresta 1997

G. †Planammatoceras

G. †Pseudaptetoceras Géczy 1966

G. †Puchenquia

Subfm. †Podagrosiceratinae Westermann and Riccardi 1979

G. †Podagrosiceras Maubeuge and Lambert 1956

G. †Sphaerocoeloceras

G. †Westermanniceras Riccardi 2000

G. †Rarenodia Venturi 1975

†Rarenodia planulata Venturi 1975

Subfm. †Zurcheriinae Hyatt 1900

G. †Haplopleuroceras

G. †Malladaites

G. †Spinammatoceras

Invalid names: Shahrudites Seyed-Emami 2006 [synonym]

G. †Zurcheria

Invalid names: Parazurcheria Fernandez-Lopez 1988 [synonym]

Superfm. †Hildoceratoidea Hyatt 1867

G. †Diplesioceras

†Diplesioceras diplesium Buckman 1920

†Diplesioceras fischeri Dietze et al. 2022

Fm. †Graphoceratidae Buckman 1905

G. †Ancolioceras

†Ancolioceras citaae Geczy 1967

†Ancolioceras krymholzi Geczy 1967

†Ancolioceras noszkyi Geczy 1967

†Ancolioceras subacutum Buckman 1899

†Ancolioceras subfalcatum Buckman 1899

†Ancolioceras substriatum Buckman 1899

†Ancolioceras viallii Geczy 1967

G. †Cordubiceras Oloriz and Tavera 1979

Subfm. †Graphoceratinae Buckman 1905

G. †Brasilia

Invalid names: Apedogyria Buckman 1899 [synonym], Brasilina Buckman 1899 [synonym], Paneia Buckman 1904 [synonym], Paquieria Buckman 1899 [synonym], Planifastigites Buckman 1925 [synonym], Vacekia Buckman 1899 [synonym], Wiltshireia Buckman 1899 [synonym]

G. †Graphoceras

Invalid names: Depaoceras Buckman 1902 [synonym], Hosoureites Sato 1958 [synonym], Lucya Buckman 1902 [synonym], Ludwigella Buckman 1901 [synonym], Oedania Buckman 1904 [synonym], Platygraphoceras Buckman 1902 [synonym], Stokeia Buckman 1904 [synonym]

G. †Hyperlioceras

Invalid names: Braunsella Buckman 1904 [synonym], Braunsina Buckman 1902 [synonym], Darellia [synonym], Darellina Buckman 1904 [synonym], Deltoidoceras Buckman 1902 [synonym], Deltotoceras Buckman 1904 [synonym], Dissoroceras Buckman 1902 [synonym], Hugia Buckman 1904 [synonym], Lopadoceras Buckman 1904 [synonym], Reynesella [synonym], Reynesia Buckman 1902 [synonym], Toxolioceras [synonym]

G. †Ludwigia Bayle 1878

Invalid names: Cosmogyria Buckman 1898 [synonym], Crickia Buckman 1899 [synonym], Hyattia Buckman 1899 [synonym], Kiliania Buckman 1899 [synonym], Ludwigina Buckman 1899 [synonym], Murchisonia Engel 1896 [objective synonym], Pseudographoceras Buckman 1899 [synonym], Strophogyria Buckman 1899 [synonym], Welschia Buckman 1898 [synonym]

Subfm. †Leioceratinae Spath 1936

G. †Canavarella

Invalid names: Costiceras Contini 1969 [synonym], Rhaeboceras Buckman 1899 [synonym]

G. †Costileioceras Maubeuge 1950

G. †Cylicoceras Buckman 1899

Invalid names: Geyerina Buckman 1913 [synonym], Hyattina Buckman 1899 [synonym]

G. †Leioceras

Invalid names: Cypholioceras Buckman 1899 [synonym], Manselia Buckman 1899 [synonym]

G. †Staufenia

Fm. †Hildoceratidae Hyatt 1867

Subfm. †Arieticeratinae Howarth 1955

G. †Arctomercaticeras

G. †Arieticeras Seguenza 1885

Invalid names: Geczya Fantini Sestini 1977 [synonym], Meneghinia Vecchia 1949 [synonym], Protoarieticeras Cantaluppi 1970 [synonym], Pseudoarieticeras Cantaluppi 1970 [synonym], Seguenziceras Levi 1896 [synonym]

G. †Emaciaticeras Fucini 1931

Invalid names: Ugdulenia Cantaluppi 1970 [synonym]

G. †Fontanelliceras Fucini 1931

G. †Leptaleoceras Buckman 1918

G. †Mauretaniaceras Meister et al. 2011

G. †Tauromeniceras Mouterde 1967

Invalid names: Neoamaciaticeras Cantaluppi 1970 [objective synonym], Tauromenia Fucini 1931 [replaced]

Invalid names: Seguenziceratinae Spath 1924 [replaced]

Subfm. †Bouleiceratinae Arkell 1950

G. †Bouleiceras

Invalid names: Colcanapites Collignon 1958 [synonym]

G. †Frechiella

Invalid names: Achilleia Renz 1913 [synonym]

G. †Jacobella Jeannet 1908

Invalid names: Neoparoniceras Rulleau et al. 2003 [synonym], Oxyparoniceras [synonym]

G. †Kohaticeras Fatmi and Hölder 1975

G. †Nejdia Arkell 1952

G. †Paroniceras Bonarelli 1893

Subfm. †Grammoceratinae Buckman 1904

G. †Catulloceras

Invalid names: Dactylogrammites Buckman 1925 [synonym]

G. †Dumortieria

Invalid names: Paradumortieria Elmi and Caloo-Fortier 1985 [synonym], Phenakoceras Maubeuge 1949 [synonym], Phenakocerites Maubeuge 1950 [objective synonym]

G. †Grammoceras

Invalid names: Costigrammoceras Buckman 1926 [synonym]

G. †Hudlestonia

G. †Phlyseogrammoceras Buckman 1901

Invalid names: Gruneria Gabilly 1974 [synonym], Gruneria Gabilly 1974 [synonym]

G. †Phlyseogrammoceras Buckman 1901

Invalid names: Gruneria Gabilly 1974 [synonym], Gruneria Gabilly 1974 [synonym]

G. †Pleydellia

Invalid names: Canavarina Buckman 1904 [synonym], Cotteswoldia [synonym], Nadorites Elmi and Caloo-Fortier 1985 [synonym], Walkericeras Buckman 1913 [synonym]

G. †Podagrosites Guex 1973

G. †Pseudogrammoceras

Invalid names: Monestieria Cossmann 1922 [synonym]

G. †Pseudolillia

G. †Shakraceras

G. †Troitsaia Poulton and Tipper 1991

G. †Yakounia

Invalid names: Dumortieriinae Schindewolf 1964 [synonym], Monestierinae Sapunov 1965 [synonym]

Subfm. †Harpoceratinae Neumayr 1875

G. †Canavaria Gemmellaro 1886

Invalid names: Naxensiceras Vecchia 1949 [synonym], Oregonites Wiedenmayer 1980 [synonym]

G. †Cleviceras Howarth 1992

G. †Eleganticeras

Invalid names: Elegantuliceras Buckman 1913 [synonym], Leptarpites Repin 1970 [synonym], Ochotoceras [synonym]

G. †Harpoceras

Invalid names: Falcifericeras Breistroffer 1949 [objective synonym], Gallitellia Venturi and Ferri 2001 [synonym], Glyptarpites [synonym], Harpoceratoides [synonym], Kolymoceras Dagis 1970 [synonym], Lioceras Bayle 1878 [synonym], Phaularpites [synonym], Tardarpoceras Buckman 1927 [synonym]

G. †Maconiceras Buckman 1926

G. †Neolioceratoides

G. †Osperleioceras Krimholz 1957

Invalid names: Pseudopolyplectus [synonym]

G. †Ovaticeras

G. †Polyplectus

Invalid names: Micropolyplectus Guex 1973 [synonym]

G. †Praepolyplectus Venturi 1981

G. †Pseudolioceras

Invalid names: Buckmanites [synonym], Praehaploceras Monestier 1930 [synonym], Pseudowalkericeras Maubeuge 1949 [synonym]

G. †Sphenarpites

G. †Taffertia

G. †Tiltoniceras Buckman 1913

Invalid names: Pacificeras Repin 1970 [synonym]

Invalid names: Polyplectinae Venturi 1981 [synonym]

Subfm. †Hildoceratinae Hyatt 1867

G. †Atacamiceras Hillebrandt 1987

G. †Hildaites

Invalid names: Cingolites Sassaroli and Venturi 2010 [synonym], Harpohildoceras [synonym], Hildoceratoides [synonym], Murleyiceras Buckman 1921 [synonym], Neotaffertia Venturi and Ferri 2001 [synonym], Petranoceras Venturi 1995 [synonym], Praemercaticeras Venturi 1981 [synonym]

G. †Hildaitoides Hillebrandt 1987

G. †Hildoceras

Invalid names: Goniohildoceras Seguenza 1886 [synonym], Urkutites Géczy 1967 [synonym]

G. †Mercaticeras

G. †Orthildaites

G. †Parahildaites

Subfm. †Leukadiellinae Macchioni and Venturi 2000

G. †Leukadiella

G. †Renziceras

Subfm. †Mercaticeratinae Guex 1973

G. †Pseudocrassiceras Rulleau and Jattiot 2019

Subfm. †Protogrammoceratinae Mattei 1974

G. †Fuciniceras Haas 1913

Invalid names: Eofuciniceras Cantaluppi 1970 [synonym], Neofuciniceras Cantaluppi 1970 [synonym]

G. †Lioceratoides Spath 1919

Invalid names: Nagaoceras Matsumoto 1947 [synonym], Platyharpites Buckman 1927 [synonym], Praeleioceras Fucini 1929 [synonym]

G. †Protogrammoceras Spath 1913

Invalid names: Argutarpites Buckman 1923 [synonym], Bassaniceras Fucini 1929 [objective synonym], Eoprotogrammoceras Cantaluppi 1970 [synonym], Neoprotogrammoceras Cantaluppi 1970 [synonym], Paltarpites Buckman 1922 [synonym], Wrightia Gemmellaro 1886 [replaced]

Subfm. †Tmetoceratinae Spath 1936

G. †Tmetoceras Buckman 1892

Invalid names: Tmetoites Westermann 1964 [synonym]

Invalid names: Paroniceratinae Schindewolf 1963 [empty]

Fm. †Phymatoceratidae Hyatt 1867

G. †Brodieia

†Haugia (Brodieia) pigra Buckman 1899

†Haugia (Brodieia) primaria Schirardin 1914

Invalid names: Brodiceras Buckman 1899 [objective synonym], Merlaites Gabilly 1974 [synonym], Pseudobrodieia Guex 1972 [synonym], Whitbyiceras [synonym]

G. †Crassiceras

†Crassiceras canavarii Franceschi 1921

†Crassiceras dimorphum Merla 1932

†Crassiceras gradatum Merla 1932

†Crassiceras latum Merla 1932

G. †Esericeras

†Esericeras eseri Oppel 1856

Invalid names: Haugia inaequa Buckman 1898 [synonym], Haugia sculpta Buckman 1898 [synonym]

†Esericeras fascigerum Buckman 1899

G. †Furloceras Elmi and Rulleau 1995

†Furloceras anomalum Merla 1932

†Furloceras armatum Merla 1932

†Furloceras caroli Merla 1933

†Furloceras chelusii Parisch and Viale 1906

†Furloceras chelussii Parisch and Viale 1906

†Furloceras comense Buch 1831

†Furloceras cornucopia Merla 1932

†Furloceras crassicostatum Merla 1932

†Furloceras erbaense Hauer 1856

†Furloceras iserensis Oppel 1856

†Furloceras muelleri Geczy 1966

†Furloceras pulchrum Merla 1932

†Furloceras speciosum Merla 1932

†Furloceras venustulum Merla 1932

Invalid names: Mouterdeiceras Elmi and Rulleau 1995 [synonym]

G. †Haugia

†Haugia beani Simpson 1843

†Haugia dumortieri Buckman 1890

†Haugia illustris Denckmann 1887

†Haugia jugosa Sowerby 1815

Invalid names: Ammonites cancellatoobovatus Raspail 1866 [synonym], Ammonites ogerieni Dumortier 1874 [synonym], Haugia compressa Buckman 1898 [synonym], Haugia patelliformis Buckman 1898 [synonym]

†Haugia metallaria Dumortier 1874

Invalid names: Phymatoceras pauper Buckman 1898 [synonym]

†Haugia phillipsi Simpson 1843

†Haugia variabilis d'Orbigny 1845

Invalid names: Ammonites navis Dumortier 1874 [synonym], Denckmannia obtecta Buckman 1899 [synonym], Haugia grandis Buckman 1899 [synonym]

G. †Paronychoceras Guex 2000

G. †Phymatoceras

†Phymatoceras aequale Géczy 1967

†Phymatoceras comense Von Buch 1831

†Phymatoceras elegans Merla 1932

†Phymatoceras jardense Gabilly 1976

†Phymatoceras lilli Hauer 1856

†Phymatoceras narbonense Buckman 1898

†Phymatoceras robustum Hyatt 1867

Invalid names: Denckmannia Buckmann 1898 [synonym], Loryella Breistroffer 1949 [synonym], Pelecoceras Hyatt 1867 [synonym], Picenia Fossa-Mancini 1919 [synonym], Praerycites Venturi 1981 [synonym]

G. †Pseudomercaticeras

†Pseudomercaticeras frantzi Reynes 1868

†Pseudomercaticeras rotaries Merla 1932

†Pseudomercaticeras venzoi Pinna 1963

Invalid names: Haugiella Gabilly 1974 [nomen dubium], Phymatoceratinae Hyatt 1867 [empty]

Fm. †Sonniniidae Buckman 1892

Subfm. †Sonniniinae Buckman 1892

G. †Pseudoshirbuirnia Dietz 2005

G. †Shirbuirnia

G. †Sonninia Douville 1879

Invalid names: Waagenia Bayle 1878 [replaced]

G. †Sonninites Buckman 1923

Subfm. †Witchelliinae Callomon and Chandler 2006

G. †Asthenoceras

G. †Dorsetensia

G. †Fontannesia

Invalid names: Darellella Buckman 1904 [synonym], Nannina Buckman 1927 [synonym]

G. †Guhsania

G. †Newmarracarroceras Hall 1989

G. †Witchellia Buckman 1889

Invalid names: Anolkoleiites Buckman 1926 [synonym], Dundryites Buckman 1926 [synonym], Gelasinites Buckman 1925 [synonym], Hyalinites Buckman 1924 [synonym], Maceratites Buckman 1928 [synonym], Pelekodites Buckman 1923 [synonym], Rubrileiites Buckman 1926 [synonym], Spatulites Buckman 1928 [synonym], Zugella Buckman 1927 [synonym], Zugophorites Buckman 1922 [synonym]

Invalid names: Harpocerataceae Wedekind 1917 [synonym]

Superfm. †Hoplitoidea Douvillé 1890

Fm. †Engonoceratidae Hyatt 1900

G. †Engonoceras Neumayr and Uhlig 1881

†Engonoceras belviderense Cragin 1894

Invalid names: Engonoceras uddeni Cragin 1900 [synonym]

†Engonoceras complicatum Hyatt 1903

†Engonoceras duboisi Latil 1989

†Engonoceras elegans Kennedy et al. 1998

†Engonoceras emarginatum Cragin 1893

†Engonoceras gibbosum Hyatt 1903

†Engonoceras hilli Böhm 1898

†Engonoceras iris Spath 1924

†Engonoceras pierdenale Von Buch 1848

†Engonoceras retardum Hyatt 1903

†Engonoceras serpentinum Cragin 1900

†Engonoceras stolleyi Böhm 1898

†Engonoceras subjectum Hyatt 1903

†Engonoceras wilkinsoni Packard 1956

G. †Metengonoceras Hyatt 1903

†Metengonoceras acutum Hyatt 1903

†Metengonoceras ambiguum Hyatt 1903

†Metengonoceras aspenanum Reeside and Weymouth 1931

†Metengonoceras bedoti Grossouvre 1912

†Metengonoceras bravoense Böse 1928

†Metengonoceras dumbli Cragin 1893

Invalid names: Metengonoceras arnaudi Grossouvre 1912 [synonym], Metengonoceras douvillei Grossouvre 1912 [synonym], Metengonoceras nigeriense Furon 1935 [synonym], Metengonoceras tolveiense Grossouvre 1912 [synonym]

†Metengonoceras inscriptum Hyatt 1903

†Metengonoceras oliveirai Brito 1967

†Metengonoceras teigenense Cobban and Kennedy 1989

Invalid names: Epengonoceras Spath 1924 [synonym]

G. †Neolobites Fisher 1882

†Neolobites fourteaui Pervinquière 1907

Invalid names: Neolobites medeninensis Basse 1954 [synonym]

†Neolobites kummeli Benavides-Caceres 1956

†Neolobites peroni Hyatt 1903

†Neolobites vibrayeanus d'Orbigny 1841

Invalid names: Neolobites brancai Eck 1908 [synonym], Neolobites bussoni Collignon 1965 [synonym], Neolobites choffati Hyatt 1903 [synonym], Neolobites schweinfurthi Eck 1914 [synonym]

G. †Protengonoceras Hyatt 1900

†Protengonoceras gabbi Böhm 1898

†Protengonoceras neolobitoides Robert et al. 2018

†Protengonoceras planum Hyatt 1903

Fm. †Hoplitidae Douvillé 1890

Subfm. †Anahoplitinae Breistroffer 1947

G. †Anahoplites Hyatt 1900

G. †Anahoplitoides Casey 1961

G. †Lepthoplites

Invalid names: Semenovitinae Mirzoev 1967 [synonym]

Subfm. †Gastroplitinae Wright 1952

G. †Alopecoceras Kennedy 1978

G. †Anagastroplites Jeletzky 1980

G. †Gastroplites

G. †Neogastroplites

G. †Paragastroplites Imlay 1961

G. †Pseudogastroplites Jeletzky 1980

G. †Pseudopulchellia Imlay 1961

G. †Sokolovites Casey 1966

G. †Stelckiceras Jeletzky 1980

G. †Stotticeras Jeletzky 1980

Subfm. †Hoplitinae Douvillé 1890

G. †Arrhaphoceras Whitehouse 1927

G. †Callihoplites

G. †Dimorphoplites

G. †Discohoplites

G. †Epihoplites

G. †Euhoplites

G. †Hoplites

G. †Hyphoplites Spath 1922

G. †Pleurohoplites

G. †Semenoviceras Wright et al. 1996

Invalid names: Semenovites [replaced]

Subfm. †Leymeriellinae Wright 1952

G. †Epileymeriella

Subfm. †Sonneratiinae Destombes 1973

G. †Bucaillella Destombes 1973

G. †Eosonneratia Saveliev 1973

G. †Farnhamia Casey 1954

G. †Otohoplites Steinmann 1925

G. †Protohoplites Spath 1923

G. †Pseudosonneratia Spath 1925

G. †Sonneratia Bayle 1878

G. †Tetrahoplites

G. †Sulcohoplites Michailova and Saveliev 1994

Fm. †Placenticeratidae Hyatt 1900

G. †Gissarites Iljin 1958

†Gissarites iljini Khakimov 1976

†Gissarites kysylchense Iljin 1958

G. †Hengestites

G. †Hoplitoplacenticeras Paulcke 1906

Subg. †Hoplitoplacenticeras (Hoplitoplacenticeras) Paulcke 1907

Subg. †Hoplitoplacenticeras (Lemfoerdiceras) Kennedy 1986

†Hoplitoplacenticeras costulosum Schlüter 1867

†Hoplitoplacenticeras dolbergense Schluter 1876

†Hoplitoplacenticeras fugen Matsumoto 1984

†Hoplitoplacenticeras monju Matsumoto 1982

†Hoplitoplacenticeras plasticum Paulcke 1906

†Hoplitoplacenticeras rarecostatum Khakimov 1976

†Hoplitoplacenticeras rejaudryi de Grossouvre 1894

Invalid names: Sonneratia rara de Grossouvre 1894 [synonym]

†Hoplitoplacenticeras vari Schlüter 1872

G. †Karamaites Sokolov 1965

†Karamaites grossouvrei Semenov 1899

G. †Metaplacenticeras Spath 1926

†Metaplacenticeras bowersi Anderson 1958

†Metaplacenticeras californicum Anderson 1902

†Metaplacenticeras pacificum Smith 1900

†Metaplacenticeras sanctaemonicae Waring 1917

†Metaplacenticeras subtilistriatum Jimbo 1894

G. †Placenticeras Meek 1876

†Placenticeras benningi Stephenson 1956

†Placenticeras bidorsatum Roemer 1841

Invalid names: Ammonites dujardin Schluter 1867 [synonym], Diplacomoceras canaliculatum Hyatt 1903 [synonym]

†Placenticeras cumminsi Cragin 1893

†Placenticeras fritschi de Grossouvre 1894

†Placenticeras intercalare Meek and Hayden 1860

†Placenticeras kaffrarium Etheridge 1904

Invalid names: Placenticeras umkwelanensis Etheridge 1904 [synonym]

†Placenticeras kolbajense Sokolov 1967

†Placenticeras maherndli Summesberger 1979

†Placenticeras mediasiaticum Luppov 1963

Invalid names: Turkmenites gissarensis Ilyin 1975 [synonym]

†Placenticeras memoriaschloenbachi Laube and Bruder 1887

†Placenticeras orbignyanum Geinitz 1849

†Placenticeras paraplanum Wiedmann 1978

†Placenticeras placenta DeKay 1828

†Placenticeras polyopsis Dujardin 1837

†Placenticeras pseudoplacenta Hyatt 1903

†Placenticeras semiornatum d'Orbigny 1850

†Placenticeras syrtale Morton 1834

Invalid names: Ammonites guadalupae Roemer 1849 [synonym], Placenticeras intermedium Johnson 1903 [synonym], Placenticeras newberryi Hyatt 1903 [synonym], Placenticeras planum Hyatt 1903 [synonym], Placenticeras rotundatum Johnson 1903 [synonym], Placenticeras sancarlosense Hyatt 1903 [synonym], Stantonoceras pseudocostatum Johnson et al. 1964 [synonym]

†Placenticeras tamulicum Blanford 1862

†Placenticeras vancouverense Meek 1861

†Placenticeras vredenburgi Sarkar 1966

†Placenticeras whitfieldi Hyatt 1903

Invalid names: Diplacomoceras Hyatt 1900 [synonym], Karamaiceras [synonym], Pseudoplacenticeras [synonym]

G. †Proplacenticeras

†Proplacenticeras stantoni Hyatt 1903

Invalid names: Placenticeras merenskyi Haughton 1930 [synonym]

G. †Stantonoceras

†Stantonoceras depressum Hyatt 1903

Invalid names: Baghiceratinae Chiplonkar and Ghare 1976 [invalid subgroup], Hypengonoceratidae Chiplonkar and Ghare 1976 [synonym], Rapidoplacenticeratinae Alabushev and Alabusheva 1988 [empty]

Fm. †Schloenbachiidae Parona and Bonarelli 1897

G. †Schloenbachia Neumayr 1875

†Schloenbachia blanfordianus Stoliczka 1863

†Schloenbachia lenzi Szajnocha 1885

†Schloenbachia varians Sowerby 1817

Invalid names: Saltericeras [synonym]

Invalid names: Forbesiceratinae Wright 1952 [empty], Schloenbachiinae Parona and Bonarelli 1897 [empty]

Invalid names: Forbesiceridae Wright 1952 [empty]

Superfm. †Lytoceratoidea Neumayr 1875

Fm. †Lytoceratidae Neumayr 1875

Subfm. †Alocolytoceratinae Spath 1927

G. †Alocolytoceras Hyatt 1900

Invalid names: Aegolytoceras [synonym]

G. †Pleurolytoceras Hyatt 1900

Invalid names: Pachylytoceras [synonym]

Subfm. †Analytoceratinae Spath 1927

G. †Analytoceras Hyatt 1900

Invalid names: Trachyphyllites Arthaber 1927 [synonym]

Subfm. †Bouhamidoceratinae Rakus 1999

Subfm. †Ectocentritinae Spath 1926

G. †Adnethiceras Wiedmann 1970

G. †Baltzerites Rakús and Guex 2002

G. †Ectocentrites Canavari 1888

Invalid names: Cosmolytoceras Spath 1924 [objective synonym]

G. †Exomiloceras Wiedenmayer 1979

G. †Galaticeras

G. †Holcolytoceras Spath 1924

G. †Kericserites Geczy and Meister 2007

G. †Lytoconites Wiedmann 1970

G. †Lytotropites Spath 1924

G. †Peltolytoceras Spath 1924

Invalid names: Galaticeratinae Geczy and Meister 2007 [synonym]

Subfm. †Lytoceratinae Neumayr 1875

G. †Ammonoceratites Bowditch 1822

G. †Carinolytoceras Wiedmann 1962

G. †Lobolytoceras Buckman 1923

G. †Lytoceras Suess 1865

Invalid names: Biasaloceras Drushchits 1953 [synonym], Crenilytoceras Buckman 1926 [synonym], Dinolytoceras Besnossov 1958 [synonym], Eulytoceras Spath 1927 [synonym], Hemilytoceras Spath 1927 [synonym], Kallilytoceras Buckman 1921 [synonym], Metalytoceras Spath 1927 [synonym], Orcholytoceras Buckman 1926 [synonym], Pterolytoceras Spath 1927 [synonym], Saturnoceras Anderson 1938 [synonym], Thysanoceras Hyatt 1867 [synonym], Thysanolytoceras Buckman 1905 [synonym], Valentolytoceras Besnossov 1958 [synonym]

G. †Ptycholytoceras

G. †Zaghouanites Rakús and Guex 2002

Subfm. †Megalytoceratinae Spath 1927

G. †Megalytoceras Buckman 1905

Invalid names: Asapholytoceras [synonym], Metrolytoceras [synonym]

G. †Nannolytoceras Buckman 1905

Invalid names: Eurystomiceras Beznosov 1958 [synonym], Polystomiceras Spath 1924 [synonym], Polystomites Spath 1931 [synonym]

G. †Perilytoceras Rulleau 1997

G. †Neocyrtochilus Anderson 1958

†Neocyrtochilus bryani Anderson 1958

Subfm. †Pleuroacanthinae Hyatt

G. †Fucinites Gugenberger 1936

Subfm. †Pleuroacanthitinae Hyatt 1900

G. †Eolytoceras Frebold 1967

G. †Pleuroacanthites Canavari 1883

Invalid names: Parapsiloceras Hyatt 1900 [synonym]

G. †Takahashiceras Hoffmann and Howarth 2015

†Takahashiceras eureka Matsumoto 1984

Invalid names: Takahashia Matsumoto 1984 [replaced]

G. †Tragolytoceras Spath 1924

†Tragolytoceras bonarellii Tomas and Pálfy 2007

Invalid names: Ammonoceratitidae Brunnschweiler 1966 [synonym], Hemilytoceratinae Spath 1927 [empty], Holcolytoceratidae Venturi et al. 2005 [synonym]

Invalid names: Cicatritidae Spath 1937 [empty], Trachyphyllitidae Wiedmann 1966 [empty]

Superfm. †Perisphinctaceae Steinman 1890

Fm. †Holcodiscidae Spath 1924

G. †Almohadites Wiedmann 1966

G. †Astieridiscus

†Astieridiscus morteti Kilian 1888

G. †Gymnoplites

G. †Holcodiscus Uhlig 1882

†Holcodiscus caillaudianus d'Orbigny 1850

†Holcodiscus camelinus d'Orbigny 1850

†Holcodiscus caseyi Manolov 1962

†Holcodiscus geronimae Hermite 1879

†Holcodiscus hauthali Paulcke 1907

†Holcodiscus menglonensis Sayn 1890

†Holcodiscus metamorphicus Coquand 1880

†Holcodiscus sophonisba Coquand 1880

†Holcodiscus tenuistriatus Paulcke 1907

G. †Jeanthieuloyites Cooper 1981

†Jeanthieuloyites keyserlingiformis Avram and Gradinaru 1993

†Jeanthieuloyites nodosus Mandov 1976

†Jeanthieuloyites quinquestriatus Besairie 1936

†Jeanthieuloyites trapezoidalis Avram and Gradinaru 1993

G. †Jeanthieuolyites Cooper 1981

G. †Metahoplites

G. †Parasaynoceras Breistroffer 1947

†Parasaynoceras horridus d'Orbigny 1850

†Parasaynoceras mexicanum Imlay 1940

G. †Pseudovaldedorsella Cecca et al. 1998

†Pseudovaldedorsella compsensis Kilian 1910

†Pseudovaldedorsella crassidorsata Karakash 1907

Subfm. †Spitidiscinae Vermeulen and Thieuloy 1999

G. †Holcoptychites

G. †Spitidiscus Kilian 1910

G. †Taveraidiscus Vermeulen and Thieuloy 1999

G. †Isterites Barthel 1975

†Isterites franconicus Schneid 1915

†Isterites palmatus Schneid 1915

†Isterites spurius Schneid 1915

†Isterites subpalmatus Schneid 1915

Fm. †Oosterellidae Kilian 1911

G. †Oosterella Kilian 1911

†Oosterella begastrensis Company 1987

†Oosterella colombiana Haas 1960

†Oosterella cultrata d'Orbigny 1841

†Oosterella cultrataeformis Uhlig 1882

†Oosterella gaudryi Nickles 1892

Invalid names: Mortoniceras vidali Nickles 1892 [synonym], Mortoniceras vilanovae Nicklés 1892 [synonym], Oosterella fascigera Thieuloy and Bulot 1992 [synonym]

†Oosterella ondulata Reboulet 1996

G. †Pseudoosterella Spath 1924

†Pseudoosterella ubalaensis Haas 1960

Fm. †Platylenticeratidae Casey 1973

G. †Eopaquiericeras Cantu-Chapa 2006

†Eopaquiericeras pazi Cantu-Chapa 2006

†Eopaquiericeras peraltai Cantu-Chapa 2006

Fm. †Polyptychitidae Wedekind 1918

Subfm. †Craspeditinae Spath 1934

G. †Craspedites

Subfm. †Garniericeratinae Spath 1952

G. †Hectoroceras Spath 1947

G. †Platylenticeras Hyatt 1900

Invalid names: Garnieria Sayn 1901 [objective synonym]

G. †Praetollia

G. †Subcraspedites Spath 1924

Subfm. †Polyptychitinae Wedekind 1918

G. †Dichotomites Koenen 1909

Invalid names: Ringnesiceras (Elleficeras) Kemper and Jeletzky 1979 [synonym]

G. †Hertleinites Imlay 1958

Invalid names: Hertleinia Imlay 1957 [replaced]

G. †Polyptychites Pavlow 1892

G. †Wellsia Imlay 1957

G. †Siberites

Subfm. †Simbirskitinae Pavlow 1892

G. †Hollisites Imlay 1957

G. †Simbirskites Pavlow 1891

Invalid names: Californiceras [synonym]

Subfm. †Tolliinae Spath 1952

G. †Borealites Klimova 1969

G. †Homolsomites Crickmay 1930

G. †Menjaites Sazonova 1971

Invalid names: Costamenjaites Sazonova 1971 [synonym], Luppoviceras Sazonova 1977 [synonym], Sabydites Bogomolov and Burdykina 1989 [synonym]

G. †Nikitinoceras Sokolov 1913

Invalid names: Temnoptychites Pavlow 1914 [synonym]

G. †Peregrinoceras Sazonova 1971

G. †Surites Sazonov 1951

G. †Thorsteinssonoceras Jeletzky 1965

G. †Tollia Pavlow 1914

Invalid names: Neotollia [synonym]

G. †Virgatoptychites Voronets 1958

Superfm. †Perisphinctoidea Steinman 1890

Fm. †Ataxioceratidae Buckman 1921

Subfm. †Ataxioceratinae Buckman 1921

G. †Ataxioceras

G. †Lithacosphinctes Oloriz 1978

G. †Orthosphinctes Schindewolf 1925

Invalid names: Biplices [synonym]

G. †Procraspedites

G. †Schneidia Atrops 1982

G. †Virgataxioceras

G. †Discosphinctoides Oloriz 1978

G. †Garnierisphinctes Enay 1959

G. †Katroliceras Spath 1928

†Katroliceras formosum Spath 1931

†Katroliceras pottingeri Sowerby 1840

†Katroliceras waageni Spath 1933

Subfm. †Lithacoceratinae Zeiss 1968

G. †Danubisphinctes Zeiss 1968

Invalid names: Pseudokatroliceras Sarti 1988 [synonym]

G. †Dorsoplanitoides Zeiss 1968

Subfm. †Franconitinae Zeiss 1968

G. †Lithacoceras Hyatt 1900

G. †Moravisphinctes

G. †Pseudodiscosphinctes Oloriz 1978

G. †Pseudosubplanites Le Hegarat 1973

Subfm. †Richterellinae Sapunov 1977

G. †Usseliceras Zeiss 1968

G. †Xenosphinctes Scherzinger and Schweigert 2017

G. †Zittelites Énay 2018

Invalid names: Zittelia Tavera Benitez 1985 [replaced]

Subfm. †Paraboliceratinae Spath 1928

G. †Stevensites Énay 2018

Invalid names: Stevensia Enay 2009 [replaced]

Subfm. †Paraulacosphinctinae Tavera 1985

G. †Ernstbrunnia Zeiss 2001

G. †Oloriziceras Tavera-Benitez 1985

G. †Paraulacosphinctes Schindewolf 1925

Subfm. †Sublithacoceratinae Zeiss 1968

G. †Lemencia Donze and Enay 1961

G. †Sublithacoceras

Subfm. †Torquatisphinctinae Tavera 1985

G. †Catutosphinctes Leanza and Zeiss 1992

G. †Mazatepites Cantu-chapa 1967

Subfm. †Zapaliinae Parent et al. 2017

G. †Choicensisphinctes Leanza 1980

G. †Indansites Vennari 2016

G. †Krantziceras Parent et al. 2011

G. †Platydiscus Parent et al. 2011

G. †Zapalia Leanza et al. 1990

Fm. †Aulacostephanidae Spath 1924

G. †Aulacostephanus

Subg. †Aulacostephanus (Aulacostephanoceras) Ziegler 1962

Subg. †Aulacostephanus (Aulacostephanoides) Schindewolf 1925

Subg. †Aulacostephanus (Aulacostephanus) Sutner and Pompeckj 1896

Subg. †Aulacostephanus (Pararasenia)

†Aulacostephanus erinus d'Orbigny 1850

†Aulacostephanus eudoxus d'Orbigny 1850

Invalid names: Odontoceras Steuer 1897 [synonym], Tobolia Sasonov 1960 [synonym]

G. †Gravesia

†Gravesia gigas Zieten 1830

†Gravesia gravesiana d'Orbigny 1850

†Gravesia polypleura Hahn 1963

Subfm. †Gravesiinae Zeiss 1987

G. †Eosphinctoceras Zakharov and Mesezhnikov 1974

G. †Praegravesia Zeiss 1987

G. †Microbiplices

†Microbiplices anglicus Arkell 1947

†Microbiplices guebhardi Oppenheimer 1907

†Microbiplices microbiplex Quenstedt 1887

†Microbiplices varians Oppenheimer 1907

G. †Pictonia

†Pictonia densicostata Buckman 1924

†Pictonia gracilis Tornquist 1896

†Pictonia seminudata Buckman 1924

G. †Prorasenia

†Prorasenia bowerbanki Spath 1935

†Prorasenia hardyi Spath 1935

†Prorasenia heeri Moesch 1867

Invalid names: Ammonites (Perisphinctes) repastinatus Loriol 1878 [synonym]

†Prorasenia quenstedti Schindewolf 1925

†Rasenia (Prorasenia) stephanoides Oppel 1863

Invalid names: Desmosphinctes [synonym]

G. †Ringsteadia

Subg. †Ringsteadia (Decipia)

†Ringsteadia anglica Salfeld 1917

†Ringsteadia bassettensis Spath 1935

†Ringsteadia brandesi Salfeld 1917

†Ringsteadia evoluta Salfeld 1917

†Ringsteadia frequens Salfeld 1917

†Ringsteadia marstonensis Salfeld 1917

†Ringsteadia pseudocordata Blake and Hudleston 1877

†Ringsteadia pseudoyo Salfeld 1917

†Ringsteadia salfeldi Dorn 1925

†Ringsteadia sphenoidea Buckman 1926

G. †Vielunia Wierzbowski and Glowniak 2010

Fm. †Crioceratitidae Wright 1952

G. †Acantholytoceras Spath 1932

†Acantholytoceras subcirculare Avram 2002

Invalid names: Pseudocrioceratites Egoian 1969 [synonym]

G. †Aspinoceras Anderson 1938

G. †Australopseudothurmannia Marin et al. 2023

†Australopseudothurmannia flexuosa Marin et al. 2023

G. †Balearites Sarkar 1954

†Balearites balearis Nolan 1894

†Balearites pseudothurmannii Dimitrova 1967

G. †Binelliceras Sarkar 1977

†Binelliceras binelli Astier 1851

G. †Crioceratites Leveillé 1837

Subg. †Crioceratites (Crioceratites) Leveillé 1837

Subg. †Crioceratites (Emericiceras) Sarkar 1954

†Crioceratites andersoni Sarkar 1955

†Crioceratites barrabei Sarkar 1955

†Crioceratites bituberculatus d'Orbigny 1842

†Crioceratites claveli Bert et al. 2021

†Crioceratites coniferus Busnardo 2003

†Crioceratites duvalii Léveillé 1837

†Crioceratites emerici Leveille 1835

†Crioceratites heterocostatus Mandov 1976

†Crioceratites jurensis Nolan 1894

†Crioceratites krenkeli Sarkar 1955

†Crioceratites latus Gabb 1864

Invalid names: Crioceras duncanense Anderson 1938 [synonym]

†Crioceratites leivaensis Kakabadze and Hoedemaeker 1997

†Crioceratites loryi Sarkar 1955

Invalid names: Balearites koechliniformis Sarkar 1955 [synonym], Balearites tuberculatus Sarkar 1955 [synonym]

†Crioceratites panescorsii Astier 1851

†Crioceratites portarum Etayo-Serna 1968

†Crioceratites primitivus Reboulet 1996

†Crioceratites tehamaensis Anderson 1938

†Crioceratites tener Kakabadze and Thieuloy 1991

†Crioceratites villiersianus d'Orbigny 1842

†Crioceratites yollabollium Anderson 1938

Invalid names: Crioceras d'Orbigny 1842 [synonym], Toxoceras d'Orbigny 1842 [synonym]

G. †Diamanticeras Vermeulen 2004

†Diamanticeras diamantensis Gerth 1925

G. †Epanisoceras Collignon 1962

Invalid names: Ephamulina Collignon 1963 [synonym]

G. †Menuthiocrioceras Collignon 1949

†Menuthiocrioceras lenoblei Collignon 1949

G. †Paracostidiscus Busnardo 2003

†Paracostidiscus radians Busnardo 2003

G. †Paraemericiceras Marin et al. 2023

†Paraemericiceras argentinense Marin et al. 2023

G. †Pseudothurmannia Spath 1923

†Pseudothurmannia angulicostata d'Orbigny 1863

†Pseudothurmannia belimelensis Dimtrova 1967

†Pseudothurmannia catulloi Parona 1898

†Pseudothurmannia grandis Busnardo 1970

†Pseudothurmannia jupiter Anderson 1938

†Pseudothurmannia karakaschi Manolov 1962

†Pseudothurmannia kohllarseni Wilckens 1947

†Pseudothurmannia mortilleti Pictet and de Loriol 1858

†Pseudothurmannia ohmi Winkler 1868

†Pseudothurmannia picteti Sarkar 1955

†Pseudothurmannia pseudomalbosi Sarasin and Schöndelmayer 1901

†Pseudothurmannia renevieri Sarasin and Schöndelmayer 1901

†Pseudothurmannia russelli Anderson 1938

†Pseudothurmannia sarasini Sarkar 1955

Invalid names: Georgioceras Wilckens 1947 [synonym], Kakabadziella Hoedemaeker and Herngreen 2003 [synonym], Parathurmannia Busnardo 2003 [synonym], Prieuriceras Vermeulen 2004 [synonym]

G. †Sornayites Wiedmann 1962

†Sornayites emerici Parona 1898

G. †Spathicrioceras Sarkar 1955

G. †Spinocrioceras Kemper 1973

G. †Subaspinoceras Thomel et al. 1987

†Subaspinoceras mulsanti Astier 1851

G. †Theodorites Baraboshkin and Mikhailova 2006

†Theodorites theodori Baraboshkin and Mikhailova 2006

G. †Vutacuracrioceras Marin et al. 2023

†Vutacuracrioceras groeberi Aguirre-Urreta 1993

Invalid names: Pedioceratidae Hyatt 1900 [synonym]

Fm. †Himalayitidae Spath 1925

G. †Ardesciella Bulot et al. 2014

†Ardesciella rhodanica Mazenot 1939

G. †Aulacosphinctes

†Aulacosphinctes diabloensis Anderson 1945

†Aulacosphinctes jenkinsi Anderson 1945

†Aulacosphinctes proximus Steuer 1897

Invalid names: Aulacosphinctes chilensis Corvalán 1959 [synonym]

†Perisphinctes (Aulacosphinctes) natricoides Uhlig 1910

†Perisphinctes (Aulacosphinctes) spitiensis Uhlig 1910

G. †Corongoceras

†Corongoceras alternans Gerth 1925

Invalid names: Berriasella pastorei Leanza 1945 [synonym], Corongoceras rigali Leanza 1945 [synonym]

†Corongoceras cordobai Verma and Westermann 1973

†Corongoceras duraznense Krantz 1928

†Corongoceras evolutum Corvalán 1959

†Corongoceras filicostatum Imlay 1942

†Corongoceras lotenoense Spath 1925

†Corongoceras mendozanum Behrendsen 1892

†Corongoceras submendozanum Krantz 1928

Subfm. †Dalmasiceratinae Frau et al. 2016

G. †Dalmasiceras

G. †Praedalmasiceras Frau et al. 2016

G. †Djurjuriceras

†Djurjuriceras catutosense Leanza et al. 1990

†Djurjuriceras sinuosum Tavera 1985

G. †Durangites

†Durangites acanthicus Burckhardt 1912

Invalid names: Durangites incertus Burckhardt 1912 [synonym]

†Durangites alencasteri Verma and Westermann 1973

†Durangites cohglani Aguilera 1895

†Durangites heilprini Aguilera 1895

†Durangites humboldti Burckhardt 1912

†Durangites vulgaris Burckhardt 1912

Invalid names: Durangites densestriatus Burckhardt 1912 [synonym]

†Durangites zigzagcostatus Cantu-Chapa 2006

G. †Hegaratites Boughdiri et al. 1999

†Hegaratites burolleti Boughdiri et al. 1999

†Hegaratites rheouisensis Boughdiri et al. 1999

G. †Hemispiticeras Spath 1925 [ammonite]

G. †Himalayites

†Himalayites seideli Oppel 1863

†Himalayites tardosi Fozy et al. 2013

Subfm. †Himalayitinae Spath 1925

G. †Boughdiriella Frau et al. 2015

G. †Dickersonia

G. †Lopeziceras Frau et al. 2016

G. †Mazenoticeras Nikolov 1966

G. †Micracanthoceras

G. †Pratumidiscus Bulot et al. 2014

G. †Protacanthodiscus

G. †Parodontoceras

†Parodontoceras calistoides Behrendsen 1891

†Parodontoceras reedi Anderson 1945

Invalid names: Aulacosphinctes watsonensis Anderson 1945 [synonym]

G. †Parrasiella Frau et al. 2015

†Parrasiella astillerensis Imlay 1939

†Parrasiella galeanense Cantu-Chapa 1968

†Parrasiella juanensis Cantu-Chapa 1968

†Parrasiella latiumbilicatum Cantu-Chapa 1968

†Parrasiella rarifurcatus Imlay 1939

G. †Riasanella Mitta 2011

†Riasanella rausingi Mitta 2011

G. †Tithopeltoceras

†Tithopeltoceras lakhaparensis Shome et al. 2005

G. †Toucasiella Enay et al. 1998

†Toucasiella gerardi Enay et al. 1998

G. †Windhauseniceras

†Windhauseniceras internispinosum Krantz 1928

Invalid names: Aulacosphinctes hebecostatus Krantz 1928 [synonym]

Fm. †Kosmoceratidae Haug 1887

G. †Catasigaloceras

G. †Epicosmoceras

G. †Gowericeras Buckman 1921

†Gowericeras snugharborense Imlay 1953

†Gowericeras spinosum Imlay 1953

†Kepplerites (Gowericeras) lindgreni Hyatt 1894

G. †Gulielmiceras Buckman 1920

†Cosmoceras (Gulielmiceras) alaskanum Imlay 1953

G. †Gulielmina

G. †Gulielmites

G. †Hoplikosmokeras Buckman 1924

G. †Kepplerites Neumayr and Uhlig 1892

Subg. †Kepplerites (Kepplerites) Neumayr and Uhlig 1892

†Kepplerites enodatum Nikitin 1881

†Kepplerites lorinclarki Imlay 1961

Subfm. †Kosmoceratinae Haug 1887

G. †Kosmoceras Waagen 1869

G. †Lobokosmoceras

G. †Seymourites

†Kepplerites (Seymourites) abruptus McLearn 1929

†Kepplerites (Seymourites) alticostatus Imlay 1953

†Kepplerites (Seymourites) gitinsi McLearn 1927

†Kepplerites (Seymourites) ingrahami McLearn 1929

†Kepplerites (Seymourites) mcevoyi McLearn 1928

†Kepplerites (Seymourites) multus McLearn 1929

†Kepplerites (Seymourites) plenus McLearn 1927

†Kepplerites (Seymourites) tychonis Ravn 1911

G. †Sigaloceras Hyatt 1900

†Sigaloceras calloviensis Sowerby 1815

Invalid names: Ammonites galilaeii Oppel 1862 [synonym]

G. †Spinikosmoceras

†Spinikosmoceras aculeatum Eichwald 1893

G. †Toricellites

G. †Zugokosmoceras

†Zugokosmoceras jason Reinecke 1818

†Zugokosmoceras obductum Buckman 1925

Fm. †Morphoceratidae Hyatt 1900

G. †Asphinctites

†Asphinctites patrulii Hahn 1970

†Asphinctites tenuiplicatus Brauns 1865

Invalid names: Asphinctites bathonicus Westermann 1958 [synonym], Asphinctites gaertneri Westermann 1958 [synonym], Grossouvria secunda Wetzel 1950 [synonym], Siemiradzkia bajociformis Arkell 1951 [synonym]

G. †Christolia Rollier 1909

†Christolia nux d'Orbigny 1850

G. †Dimorphinites

Subg. †Dimorphinites (Vigoriceras) Rioult 1994

†Dimorphinites centriglobus Rioult 1994

†Dimorphinites dimorphus d'Orbigny 1846

G. †Ebrayiceras

†Ebrayiceras filicosta Wetzel 1937

†Ebrayiceras gignouxi Guillaume 1927

†Ebrayiceras kjarisensis Besnosov 1993

†Ebrayiceras problematicum Gemmellaro 1877

†Ebrayiceras rursum Buckman 1927

†Ebrayiceras sulcatum Zieten 1830

G. †Mangoldiceras Galácz 2016

†Mangoldiceras distefanoi Galácz 2016

G. †Morphoceras

†Morphoceras egrediens Wetzel 1937

†Morphoceras kelarizis Dietze et al. 2014

†Morphoceras macrescens Buckman 1923

†Morphoceras multiforme Arkell 1951

Invalid names: Ammonites polymorphus d'Orbigny 1846 [replaced], Ammonites polymorphus lineatus Quenstedt 1847 [replaced]

†Morphoceras parvum Wetzel 1937

†Morphoceras patescens Buckman 1922

†Morphoceras subpatescens Besnosov 1993

†Morphoceras thalmanni Mangold 1970

Invalid names: Patemorphoceras Buckman 1922 [synonym]

G. †Polysphinctites

G. †Pseudodimorphinites Seyed-Emami 1989

G. †Sulcohamites

G. †Sulcohamitoides

†Sulcohamitoides karaimanensis Besnosov 1990

Fm. †Neocomitidae Salfeld 1921

G. †Arpavoniceras Frau and Fuhr 2023

†Arpavoniceras anglicum Doyle 1963

†Arpavoniceras buloti Frau and Fuhr 2023

Subfm. †Berriasellinae Spath 1922

G. †Andiceras

G. †Banikoceras Howarth 1992

G. †Berriasella Uhlig 1905

G. †Blanfordiceras Cossman 1907

Invalid names: Blanfordia Uhlig 1905 [replaced]

G. †Chigaroceras Howarth 1992

G. †Delphinella Le Hegarat 1973

G. †Ellenaela Nikolov 1966

G. †Euthymiceras Grigorieva 1938

G. †Fauriella

G. †Hegaratella Nikolov and Sapunov 1977

G. †Kossmatia Uhlig 1907

G. †Lytohoplites

G. †Malbosiceras Pictet 1867

G. †Neocosmoceras

G. †Paraboliceras

G. †Paraboliceratoides

G. †Parandiceras Spath 1939

G. †Renngarteniceras Grigogirieva 1938 [ammonite]

G. †Strambergella Nikolov 1966

G. †Substeueroceras Spath 1922

G. †Taleshites Cecca and Seyed-Emami 2012

G. †Tirnovella Nikolov 1966

Invalid names: Berriasellinae Spath 1922 [objective synonym]

G. †Busnardoiceras Tavera 1985

†Busnardoiceras bochianensis Mazenot 1939

†Busnardoiceras busnardoi Le Hegarat 1973

Invalid names: Berriasella (Berriasella) tithonica Tavera 1985 [synonym]

G. †Decliveites Aguirre-Urreta and Rawson 2010

†Decliveites crassicostatus Aguirre-Urreta and Rawson 2010

G. †Elenaella Nikolov 1966

†Elenaella cularense Mazenot 1939

Subfm. †Endemoceratinae Schindewolf 1966

G. †Cruasiceras

G. †Favrella Douvillé 1909

G. †Hannaites Imlay 1957

G. †Karakaschiceras Thieuloy 1971

G. †Leopoldia Mayer-Eymar 1887

Invalid names: Hoplitides Koenen 1902 [objective synonym], Solgeria Uhlig 1905 [objective synonym]

G. †Lyticoceras Hyatt 1900

Invalid names: Endemoceras [synonym]

G. †Pseudofavrella

G. †Suboosterella

G. †Hatchericeras Stanton 1901

†Hatchericeras patagonense Stanton 1901

Invalid names: Hatchericeras argentinense Stanton 1901 [synonym], Hatchericeras hatcheri Leanza 1970 [synonym], Hatchericeras pueyrrydonense Stanton 1901 [synonym], Hatchericeras santacrucense Leanza 1970 [synonym], Hatchericeras semilaeve Leanza 1970 [synonym], Hatchericeras tardense Stanton 1901 [synonym]

Invalid names: Pseudohatchericeras Leanza 1971 [synonym]

Subfm. †Neocomitinae Salfeld 1921

G. †Acanthodiscus Uhlig 1905

G. †Argentiniceras

Invalid names: Andesites [synonym]

G. †Belbekiceras Baraboschkin 1997

G. †Breistrofferella Thieuloy 1971

G. †Busnardoites Nikolov 1966

G. †Calliptychoceras

G. †Criosarasinella

G. †Cuyaniceras

G. †Dicostella

G. †Distoloceras Hyatt 1900

G. †Eleniceras Breskovski 1967

G. †Frenguelliceras

G. †Hoplitocrioceras

G. †Itierella Pictet et al. 2025

G. †Kilianella Uhlig 1905

Invalid names: Parakilianella Sato 1961 [synonym]

G. †Limaites

G. †Lissonia

G. †Luppovella Nikolov 1966

Invalid names: Malladiceras Fatml 1968 [synonym]

G. †Neocomites Uhlig 1905

G. †Neohoploceras Spath 1939

G. †Odontodiscoceras

G. †Paradicostella Pictet et al. 2025

G. †Parrasites Cantu-Chapa 2009

G. †Paskentites Imlay and Jones 1970

G. †Protothurmannia Crickmay 1932

G. †Pseudacanthodiscus Baraboschkin 1997

G. †Raimondiceras de Jesús Gómez-Cruz et al. 2015

G. †Rodighieroites Company 1987

G. †Sabbaiceras Avram and Gradinaru 1993

G. †Sarasinella Uhlig 1905

G. †Saynella

G. †Subalpinites Mazenot 1939

Invalid names: Erdenella [synonym], Jabronella Nikolov 1966 [synonym]

G. †Subthurmannia

G. †Thurmanniceras Cossmann 1901

Invalid names: Thurmannia Hyatt 1900 [replaced], Thurmannites Kilian and Reboul 1914 [objective synonym]

G. †Wichmanniceras

Invalid names: Fuhriella Bulot 1995 [nomen nudum], Leopoldiinae Thieuloy 1971 [synonym]

Subfm. †Platylenticeratinae Casey 1973

G. †Delphinites Sayn 1901

G. †Paquiericeras Sayn 1901

G. †Pseudargentiniceras

G. †Pseudoneocomites Hoedemaeker 1982

†Pseudoneocomites retowskyi Sarasin and Schönderlmayer 1893

Invalid names: Delphinella tresannensis Le Hegarat 1973 [synonym], Hoplites occitanicus Retowski 1893 [replaced], Neocomites allobrogensis Mazenot 1939 [synonym], Neocomites beneckei Mazenot 1939 [synonym], Neocomites suprajurensis Mazenot 1939 [synonym]

Fm. †Pachyceratidae Buckman 1918

G. †Erymnoceras Hyatt 1900

Subg. †Erymnoceras (Pachyerymnoceras) Howarth 1998

†Erymnoceras ajax d'Orbigny 1850

†Erymnoceras baylei Jeannet 1951

†Erymnoceras coronoides Quenstedt 1887

†Erymnoceras doliforme Roman 1930

†Erymnoceras nodosum Jeannet 1951

†Erymnoceras philbyi Arkell 1952

†Erymnoceras triplicatum Till 1911

G. †Erymnocerites Jeannet 1951

†Erymnocerites argoviensis Jeannet 1951

†Erymnocerites greppini Jeannet 1951

†Erymnocerites leuthardti Jeannet 1951

G. †Kurnubiella Gill et al. 1985

G. †Pachyceras Bayle 1878

†Pachyceras lalandeanum d'Orbigny 1848

†Pachyceras schloenbachi Roman 1930

G. †Pachyerymnoceras

†Pachyerymnoceras jarryi Douvillé 1912

†Pachyerymnoceras mahipati Jain 2017

G. †Rollierites Jeannet 1951

†Rollierites biplicatum Jain and Mazur 2021

†Rollierites dimidiatum Jeannet 1951

†Rollierites minuendum Jeannet 1951

†Rollierites tenue Jeannet 1951

†Rollierites tuba Jeannet 1951

G. †Tornquistes

†Tornquistes helvetiae Tornquist 1894

Invalid names: Aspidoceras nicolisi Parona 1885 [synonym], Macrocephalites kobyi de Loriol 1896 [synonym], Macrocephalites liesbergensis de Loriol 1896 [synonym], Macrocephalites oxfordiense Tornquist 1894 [synonym], Macrocephalites tornquisti de Loriol 1896 [synonym], Tornquistes romani Douvillé 1912 [synonym]

Invalid names: Tornquistes (Pachytornquistes) Thierry and Charpy 1982 [invalid subgroup]

Fm. †Parkinsoniidae Buckman 1920

G. †Bigotites

†Bigotites petri Nicolesco 1917

Invalid names: Bigotella Nicolesco 1917 [replaced], Pseudobigotella Lemoine 1918 [objective synonym]

G. †Caumontisphinctes

Subg. †Caumontisphinctes (Caumontisphinctes) Buckman 1920

Subg. †Caumontisphinctes (Infraparkinsonia) Westermann 1956

†Caumontisphinctes tenuicostatus Besnosov 1993

G. †Djanaliparkinsonia Kutuzova 1975

†Djanaliparkinsonia egori Mitta 2023

†Djanaliparkinsonia lutchnikovi Kutuzova 1975

†Djanaliparkinsonia tuadensis Kutuzova 1975

G. †Epistrenoceras

†Epistrenoceras contrarium d'Orbigny 1846

G. †Haselburgites Buckman 1920

†Haselburgites admirandus Buckman 1921

†Haselburgites datunense Besnosov 1993

G. †Hemigarantia

†Hemigarantia julii d'Orbigny 1846

G. †Medvediceras Nikolaeva 1967

†Medvediceras inclarum Murashkin 1930

†Medvediceras masarovici Murashkin 1930

G. †Okribites

G. †Oraniceras

†Oraniceras fretensis Wetzel 1950

†Oraniceras scythicum Mitta 2015

†Parkinsonia (Oraniceras) gyrumbilica Quenstedt 1887

†Parkinsonia (Oraniceras) wuerttembergica Oppel 1857

Subfm. †Parapatoceratinae Buckman 1926

G. †Acuariceras

G. †Acuarites Schindewolf 1963

G. †Metapatoceras Schindewolf 1963

G. †Paracuariceras Schindewolf 1963

G. †Parapatoceras

G. †Pseudocosmoceras

†Pseudocosmoceras michalskii Borissiak 1908

G. †Strenoceras Hyatt 1900

Subg. †Strenoceras (Strenoceras) Hyatt 1900

†Strenoceras bajocense Blainville 1840

Invalid names: Strenoceras (Strenoceras) robustum Bentz 1928 [synonym], Strenoceras praecontrarium Douvillé 1915 [synonym]

†Strenoceras niortense d'Orbigny 1846

†Strenoceras subfurcatum Zieten 1830

Fm. †Perisphinctidae Steinmann 1890

G. †Albanesiceras Galácz 2019

†Albanesiceras damianoi Galácz 2019

Subfm. †Aulacostephaninae Spath 1924

G. †Epicephalites

G. †Involuticeras

G. †Rasenia Salfeld 1913

G. †Subneumayria

G. †Zonovia

G. †Bajocisphinctes Buckman 1927

Subg. †Bajocisphinctes (Bajocisphinctes) Buckman 1927

Subg. †Bajocisphinctes (Obsoletosphinctes) Besnosov 1981

G. †Choffatiasphinctes Besnosov 1982

†Choffatiasphinctes faunus Siemiradzki 1899

†Choffatiasphinctes pseudofrequens Siemiradzki 1899

G. †Crussoliceras Enay 1959

Invalid names: Badenia Enay 1959 [synonym]

Subfm. †Dorsoplanitinae Arkell 1950

G. †Acuticostites Semenov 1898

G. †Biplicioceras Ivanov 1986

G. †Chetaites Shul'gina 1962

G. †Dorsoplanites

G. †Epipallasiceras Spath 1936

G. †Epivirgatites Spath 1924

G. †Glaucolithites

G. †Glottoptychinites

G. †Kerberites

G. †Lomonossovella

G. †Paravirgatites

G. †Pavlovia Sepkoski 2002

G. †Simotoichites

G. †Taimyrosphinctes Mesezhnikov 1974

G. †Titanites

Invalid names: Galbanites [synonym]

G. †Euvirgalithacoceras Zeiss 1996

G. †Franchia Sturani 1967

†Franchia quenstedti Sibiryakova 1961

†Franchia tlisiense Besnosov 1993

Subfm. †Idoceratinae Spath 1924

G. †Barthelticeras Schairer 1989

G. †Ceratosphinctes Ziegler 1959

G. †Idoceras

Invalid names: Subnebrodites [synonym]

G. †Lessiniceras Pavia et al. 1987

G. †Nebrodites

G. †Presimoceras

G. †Trenerites Sarti 1993

Subfm. †Leptosphinctinae Arkell 1950

G. †Leptosphinctes

Invalid names: Glyptosphinctes Buckman 1925 [synonym], Kubanoceras Kakadze and Zesashvili 1956 [synonym], Spathia Schindewolf 1925 [synonym]

G. †Lobosphinctes

G. †Planisphinctes

G. †Praeleptosphinctes Westermann 1956

G. †Stephanosphinctes Sandoval and Westermann 1986

G. †Vermisphinctes

Invalid names: Stomphosphinctes Buckman 1921 [synonym]

G. †Microbajocisphinctes Fernandez-Lopez 1985

†Microbajocisphinctes bigotitoides Fernandez-Lopez 1985

†Microbajocisphinctes pseudointerruptus Fernandez-Lopez 1985

G. †Mirosphinctes

†Mirosphinctes hiemeri Oppel 1863

†Mirosphinctes niedzwiedzkii Siemiradzki 1891

†Mirosphinctes stockari Moesch 1867

G. †Neuqueniceras Stehn 1924

G. †Organoceras Myczyński 1976

†Organoceras znoskoi Myczyński 1976

G. †Orionoides

†Orionoides anguinus Spath 1931

†Orionoides indicus Spath 1931

G. †Oxysphinctes Besnosov 1981

†Oxysphinctes kubanense Besnosov 1981

Subfm. †Passendorferiinae Melendez Hevia 1989

G. †Graefenbergites Schairer and Schlampp 2003

G. †Passendorferia Brochwicz-Lewinski 1973

Subfm. †Perisphinctinae Steinmann 1890

G. †Alligaticeras

G. †Ampthillia

G. †Divisosphinctes

G. †Neomorphoceras

G. †Otosphinctes Buckman 1926

G. †Perisphinctes Waagen 1869

G. †Properisphinctes

G. †Pseudarisphinctes

G. †Simosphinctes Barthel 1957

G. †Subdiscosphinctes Malinowska 1972

Subfm. †Pictoniinae Spath 1924

G. †Balticeras

G. †Pachypictonia Schneid 1940

G. †Pomerania

G. †Triozites

G. †Vineta Dohm 1925

G. †Praebigotites

Subg. †Praebigotites (Otiosphinctes) Besnosov 1982

Subg. †Praebigotites (Praebigotites) Wetzel 1936

G. †Procerites Siemiradzki 1898

Subg. †Procerites (Procerites) Siemiradzki 1898

†Procerites gallus Stephanov 1972

†Procerites hodsoni Arkell 1958

†Procerites imitator Buckman 1922

†Procerites irregularis Imlay 1953

†Procerites laeviplex Quenstedt 1887

Invalid names: Parkinsonites fullonicus Buckman 1922 [synonym]

†Procerites pseudoperspicuus Stephanov 1972

†Procerites pseudorjazanensis Lissajous 1923

†Procerites quercinus Terquem and Jourdy 1869

†Procerites tmetolobus Buckman 1923

†Procerites verciacensis Lissajous 1923

Invalid names: Euprocerites Wetzel 1950 [synonym], Gracilisphinctes [synonym], Parkinsonites Buckman 1922 [synonym], Zigzagites Buckman 1922 [synonym]

Subfm. †Proplanulitinae Buckman 1921

G. †Cutchisphinctes

G. †Proplanulites

Invalid names: Crassiplanulites [synonym]

G. †Prorsisphinctes

Subg. †Prorsisphinctes (Prorsisphinctes) Buckman 1921

Invalid names: Phanerosphinctes Buckman 1921 [synonym]

Subfm. †Prososphinctinae Głowniak 2012

G. †Larcheria Tinant 1961

G. †Platysphinctes Tinant 1961

G. †Prososphinctes

G. †Tenuisphinctes Gygi 1998

G. †Pseudogravesia Hantzpergue 1989

†Pseudogravesia gravesiformis Hantzpergue 1989

Subfm. †Pseudoperisphinctinae Schindewolf 1925

G. †Berbericeras

G. †Binatisphinctes

G. †Choffatia Siemiradzki 1898

Invalid names: Anaplanulites Buckman 1922 [synonym], Grossouvria Siemiradzki 1898 [synonym], Loboplanulites Buckman 1925 [synonym]

G. †Flabellisphinctes Mangold and Elmi 1966

G. †Homoeoplanulites

G. †Indosphinctes Spath 1930

G. †Klematosphinctes

G. †Poculisphinctes

G. †Prososphinctoides

G. †Pseudopeltoceras

G. †Pseudoperisphinctes

Subfm. †Pseudovirgatitinae Spath 1931

G. †Pectinatites

G. †Subdichotomoceras Spath

G. †Sicilisphinctes Galácz 2019

†Sicilisphinctes incertus Galácz 2019

G. †Siemiradzkia Hyatt 1900

†Procerites (Siemiradzkia) aurigera Oppel 1857

†Procerites (Siemiradzkia) bucharica Nikitin 1889

†Procerites (Siemiradzkia) procera Seebach 1864

†Procerites (Siemiradzkia) stephanovi Mangold 1970

Subg. †Siemiradzkia (Siemiradzkia) Hyatt 1900

†Siemiradzkia bakeriae Sowerby 1827

Subfm. †Sivajiceratinae Dutta and Bardhan 2016

G. †Kinkeliniceras

G. †Obtusicostites

Invalid names: Hubertoceras [synonym]

G. †Sivajiceras

G. †Subgrossouvria

†Subgrossouvria aberrans Waagen 1875

†Subgrossouvria blakei Spath 1931

†Subgrossouvria eurypthycha Neumayr 1871

†Subgrossouvria famula Bean in Spath 1931

Invalid names: Pseudopeltoceras retrorsum Spath 1931 [synonym]

†Subgrossouvria gudjinsirensis Waagen 1875

†Subgrossouvria hodjaikanensis Besnosov 1993

†Subgrossouvria intermedia Spath 1931

†Subgrossouvria laplainei Collignon 1958

†Subgrossouvria lavocati Collignon 1958

†Subgrossouvria morleydaviesi Spath 1931

†Subgrossouvria ornatilobata Spath 1931

†Subgrossouvria rakotondramazavai Collignon 1958

†Subgrossouvria stenoniformis Spath 1931

†Subgrossouvria wanneri Collignon 1958

G. †Tolvericeras Hantzpergue 1987

Subfm. †Vinalesphinctinae Melendez and Myczynski 1987

G. †Cubasphinctes Chudoley and Furrazola 1968

G. †Subvinalesphinctes Wierzbowski 1976

G. †Vinalesphinctes

Subfm. †Virgatitinae Spath 1923

G. †Michalskia

G. †Zaraiskites Semenov 1898

Invalid names: Progalbanites [synonym]

G. †Virgatopavlovia Cope 1978

†Virgatopavlovia fittoni Cope 1978

†Virgatopavlovia houstoutensis Cope 1978

Subfm. †Virgatosphinctinae Spath 1923

G. †Anavirgatites

G. †Aulacosphinctoides

G. †Laugeites

G. †Metagravesia

G. †Nannostephanus

G. †Nothostephanus

G. †Pachysphinctes Dietrich

G. †Paraberriasella

G. †Parapallasiceras

G. †Phanerostephanus

G. †Propectinatites Cope 1968

G. †Pseudinvoluticeras Spath 1925

G. †Pseudoinvoluticeras

G. †Subplanites

Invalid names: Ilowaiskya Vyalov 1940 [synonym], Virgatosphinctoides Neaverson 1925 [synonym]

G. †Torquatisphinctes Spath

G. †Virgatosphinctes Uhlig 1910

G. †Wheatleyites

G. †Zenostephanus Callomon et al. 2009

†Zenostephanus ranbyensis Arkell and Callomon 1963

Invalid names: Xenostephanus Arkell and Callomon 1963 [replaced]

Subfm. †Zigzagiceratinae

G. †Cobbanites Imlay 1962

G. †Phaulozigzag

G. †Procerozigzag

G. †Wagnericeras

Invalid names: Suspensites Buckman 1922 [synonym]

G. †Zigzagiceras

Invalid names: Ammonites heterostrophus Oppel 1863 [nomen vanum], Wagnericeras dietrichi Collignon 1958 [nomen dubium]

Fm. †Reineckeiidae Hyatt 1900

G. †Collotia

†Collotia colloti Jeannet 1951

†Collotia falloti Gerard and Contaut 1936

†Collotia fraasi Oppel 1857

†Collotia frickensis Jeannet 1951

G. †Collotites Jeannet 1951

†Collotites angustilobatus Brasil 1896

†Collotites collotiformis Jeannet 1951

†Collotites odysseus Jeannet 1951

†Collotites petitclerci Jeannet 1951

G. †Epimorphoceras

G. †Frickites Jeannet 1951

†Frickites bodenbenderi Tornquist 1896

†Frickites freii Jeannet 1951

G. †Kellawaysites

†Kellawaysites argoviensis Jeannet 1951

†Kellawaysites multicostatus Petitclerc 1915

†Kellawaysites oxyptychus Neumayr 1870

†Kellawaysites planissimus Jeannet 1951

†Reineckeia (Kellawaysites) greppini Oppel 1862

G. †Nequeniceras Stehn 1924

Subg. †Nequeniceras (Egabrensiceras) Busnardo et al. 1964

G. †Parareineckeia Imlay 1962

†Parareineckeia hickersonensis Imlay 1962

†Parareineckeia shelikofana Imlay 1953

G. †Reineckeia

Subg. †Reineckeia (Tyrannites) Berthold in Latreille 1827

†Reineckeia anceps Reinecke 1818

†Reineckeia bonallasi Burckhardt 1927

†Reineckeia brancoi Steinmann 1881

†Reineckeia consolationis Burckhardt 1927

†Reineckeia coronoides Burckhardt 1927

†Reineckeia delarochei Collignon 1958

†Reineckeia densestriata Burckhardt 1927

†Reineckeia euactis Steinmann 1881

†Reineckeia fehlmanni Jeannet 1951

†Reineckeia freii Jeannet 1951

†Reineckeia grossouvrei Petitclerc 1915

†Reineckeia indosabauda Parona and Bonarelli 1895

†Reineckeia inermis Burckhardt 1927

†Reineckeia intercostata Burckhardt 1927

†Reineckeia lata Loczy 1915

†Reineckeia latesellata Burckhardt 1927

†Reineckeia leiomphala Burckhardt 1927

†Reineckeia mexicana Burckhardt 1927

†Reineckeia mixtecana Burckhardt 1927

†Reineckeia nodosa Till 1911

†Reineckeia prorsocostata Till 1911

†Reineckeia reissi Steinmann 1881

†Reineckeia sparsinodosa Burckhardt 1927

†Reineckeia spinosa Jeannet 1951

†Reineckeia stephanoceroides Burckhardt 1927

†Reineckeia subantipodum Jeannet 1951

†Reineckeia substeinmanni Lemoine 1911

†Reineckeia subtilis Burckhardt 1927

†Reineckeia tuberosa Burckhardt 1927

†Reineckeia tyranniformis Spath 1928

†Reineckeia wielandi Burckhardt 1927

Subfm. †Reineckeiinae Cariou 1984

G. †Rehmannia

G. †Reineckeites

†Reineckeites dilleri Crickmay 1933

†Reineckeites douvillei Steinmann 1881

†Reineckeites helveticus Jeannet 1951

†Reineckeites hungaricus Till 1910

†Reineckeites paronai Petitclerc 1915

†Reineckeites planus Lee 1915

†Reineckeites stuebeli Steinmann 1881

G. †Sarmatisphinctes Kutek and Zeiss 1997

Fm. †Simoceratidae Spath 1924

Subfm. †Simoceratinae Spath 1924

G. †Aulasimoceras

G. †Baeticoceras Geyssant 1979

G. †Benacoceras

G. †Hemisimoceras

G. †Lytogyroceras

G. †Pseudoclambites

G. †Pseudosimoceras

G. †Simoceras

G. †Virgatosimoceras

G. †Veracruciceras Cantu-Chapa 2006

†Veracruciceras ruizi Cantu-Chapa 2006

G. †Volanoceras Geyssant 1985

Fm. †Virgatitidae Spath 1924

G. †Virgatites Pavlow 1892

†Virgatites crassicostatus Mitta 1987

†Virgatites gerassimovi Mitta 1983

†Virgatites giganteus Yakovleva 1975

†Virgatites rarecostatus Rogov et al. 2017

†Virgatites rosanovi Michlv 1957

Invalid names: Reinceckeiidae Hyatt 1900 [empty]

Superfm. †Psiloceratoidea Hyatt 1867

Fm. †Arietitidae Hyatt 1875

Fm. †Agassiceratinae Spath 1924

G. †Agassiceras Hyatt 1874

Invalid names: Aetomoceras Hyatt 1900 [synonym]

G. †Euagassiceras Spath 1924

Invalid names: Claviceras Venturi and Nannarone 2002 [synonym], Paracoronites Buckman 1927 [synonym], Pseudagassiceras Dommergues et al. 2004 [synonym]

Fm. †Alsatitinae Spath 1924

G. †Alsatites Haug 1894

Invalid names: Proarietites Lange 1922 [synonym], Tayloricites Guex 1987 [synonym]

G. †Canavarites Hyatt 1900

G. †Gonioptychoceras Lange 1941

Invalid names: Alsatitoides Guex 1980 [synonym], Proarnioceras Blind 1963 [synonym]

G. †Pseudaetomoceras

G. †Tipperoceras Taylor 1998

G. †Yebisites Matsumoto 1956

Invalid names: Proarietitinae Spath 1924 [synonym]

Subfm. †Arietitinae Hyatt 1875

G. †Arietites Waagen 1869

Invalid names: Coroniceras (Megarietites) Spath 1922 [synonym]

G. †Arnioceras Hyatt 1867

Invalid names: Arniotites [synonym], Burkhardticeras Lopez 1967 [synonym], Eparnioceras Spath 1924 [synonym], Laevispirus Venturi and Nannarone 2002 [synonym], Melanhippites Crickmay 1928 [synonym]

G. †Coroniceras Hyatt 1867

Invalid names: Arnioceratoides Spath 1922 [synonym], Epammonites Spath 1922 [synonym], Pararnioceras [synonym], Primarietites Buckman 1926 [synonym], Saccaiaceras Venturi and Nannarone 2002 [synonym]

G. †Guexiceras Taylor 1998

G. †Longziceras Wang and He 1981

G. †Metarnioceras Spath 1925

G. †Schreinbachites Bloos 1994

G. †Tmaegoceras

G. †Vermiceras

Invalid names: Dalaticeras Meister et al. 2002 [synonym], Diplosellites Buckman 1925 [synonym], Discoceras Hyatt 1867 [replaced], Keynshamites Buckman 1926 [synonym], Metophioceras Spath 1924 [synonym], Protocymbites Spath 1923 [synonym]

Invalid names: Arnioceratidae Spath 1924 [synonym]

G. †Bartoliniceras Taylor et al. 2001

Subfm. †Hypasteroceratinae Venturi and Nannarone 2002

G. †Hypasteroceras Spath 1923

Invalid names: Asaphoceras Spath 1924 [synonym], Cancelliceras Venturi and Nannarone 2002 [synonym], Oxydiscoceras Venturi and Nannarone 2003 [synonym]

Subfm. †Pseudotropitinae Donovan and Forsey 1973

G. †Pseudotropites

Invalid names: Aegoceras albense Herbich 1878 [nomen dubium]

Fm. †Asteroceratidae Spath 1946

G. †Aegasteroceras Spath 1925

†Aegasteroceras peyssonneli Rakús and Guex 2002

†Aegasteroceras sagittarium Blake 1876

Invalid names: Aegasteroceras simile Spath 1925 [synonym], Aegoceras acuticostatum Wright 1880 [synonym], Ammonites capricostatus Quenstedt 1884 [synonym]

G. †Arctoasteroceras Frebold 1960

G. †Asteroceras Hyatt 1867

†Asteroceras acceleratum Hyatt 1889

†Asteroceras blakei Spath 1925

Invalid names: Asteroceras marstonense Spath 1925 [synonym]

†Asteroceras confusum Spath 1925

†Asteroceras dommerguesi Zaitsev 2023

†Asteroceras margarita Parona 1896

†Asteroceras margaritoides Spath 1925

†Asteroceras obtusum Sowerby 1817

†Asteroceras retusum Reynes 1900

†Asteroceras reynesi Fucini 1903

†Asteroceras saltriensis Parona 1896

†Asteroceras smithi Sowerby 1814

†Asteroceras stellare Sowerby 1815

†Asteroceras suevicum Quenstedt 1884

G. †Bagnolites Donovan 1998

†Bagnolites stuarti Donovan 1998

G. †Caenisites Buckman 1925

†Caenisites bordoti Guérin-Franiatte 1966

†Caenisites brooki Sowerby 1818

†Caenisites caeneus Buckman 1925

†Caenisites pingue Quenstedt 1883

†Caenisites plotti Reynes 1879

Invalid names: Ammonites pseudobonnardi Spath 1923 [synonym]

†Caenisites pulchellus Guerin-Franiatte 1966

†Caenisites turneri Sowerby 1824

Invalid names: Euasteroceras Donovan 1953 [synonym]

G. †Eparietites Spath 1924

†Eparietites denotatus Simpson 1855

†Eparietites falloti Gerard 1931

†Eparietites fowleri Buckman 1844

†Eparietites glaber Guerin-Franiatte 1966

†Eparietites tenellus Simpson 1912

†Eparietites undaries Quenstedt 1884

G. †Epophioceras Spath 1924

†Epophioceras bochardi Reynes 1879

†Epophioceras carinatum Spath 1924

†Epophioceras cognitum Guerin-Franiatte 1966

†Epophioceras landrioti d'Orbigny 1850

†Epophioceras longicella Quenstedt 1885

†Epophioceras rectocostatum Spath 1924

†Epophioceras veszpremensis Geczy and Meister 2007

G. †Epophioceroides Dommergues et al. 2010

†Epophioceroides apertus Dommergues et al. 2010

G. †Euerbenites Blau et al. 2002

Invalid names: Erbenites Blau et al. 2001 [replaced]

G. †Parasteroceras Dommergues et al. 1986

†Parasteroceras kovacsi Geczy and Meister 2007

†Parasteroceras pulchellum Fucini 1901

†Parasteroceras rakusi Dommergues et al. 1986

†Parasteroceras umbilicoparvum Geczy and Meister 2007

G. †Protechioceras Spath 1925

G. †Ptycharietites Spath 1925

Subg. †Ptycharietites (Ptycharietites) Dommergues et al. 2010

†Ptycharietites asteroceroides Dommergues et al. 2010

Invalid names: Pompeckioceras [synonym]

G. †Tmaegophioceras

†Tmaegophioceras laeve Geyer 1886

Fm. †Cymbitidae Buckman 1919

G. †Cymbites Neumayr 1878

†Cymbites berardi Dumortier 1867

†Cymbites davidsoni d'Orbigny 1850

†Cymbites globosus Zieten 1832

Invalid names: Ammonites laevigatus Dumortier 1864 [synonym], Cymbites neglectus Spath 1926 [synonym]

†Cymbites laevigatus Sowerby 1827

Invalid names: Cymbites subcostulatus Spath 1926 [synonym]

†Cymbites obesus Reynes 1879

†Cymbites sternalis d'Orbigny 1845

Invalid names: Metacymbites Spath 1923 [synonym]

G. †Hyerifalchia Fucini 1907

Fm. †Echioceratidae Buckman 1913

G. †Echioceras Bayle 1878

†Echioceras carusense d'Orbigny 1844

†Echioceras delicatum Buckman 1914

†Echioceras intermedium Trueman and Williams 1925

†Echioceras microdiscus Quenstedt 1884

†Echioceras natrix von Schlotheim 1820

†Echioceras quenstedti Schafhautl 1847

Invalid names: Echioceras aeneum Trueman and Williams 1925 [synonym], Echioceras rhodanicum Buckman 1914 [synonym], Pleurechioceras typicum Buckman 1927 [synonym]

†Echioceras raricostatoides Vadasz 1908

Invalid names: Echioceras fulgidum Trueman and Williams 1925 [synonym], Echioceras sparsicostatum Trueman and Williams 1925 [synonym]

†Echioceras raricostatum Zieten 1831

Invalid names: Echioceras crassicostatum Trueman and Williams 1925 [synonym], Echioceras inflatum Trueman and Williams 1925 [synonym]

Invalid names: Ophioceras Hyatt 1867 [replaced], Pleurechioceras Trueman and Williams 1925 [synonym]

G. †Gagaticeras

†Gagaticeras coynarti d'Orbigny 1843

Invalid names: Parechioceras Buckman 1914 [synonym]

G. †Leptechioceras Buckman 1923

Subg. †Leptechioceras (Leptechioceras) Buckman 1923

Subg. †Leptechioceras (Neomicroceras)

†Leptechioceras macdonnelli Portlock 1843

†Leptechioceras meigeni Hug 1899

Invalid names: Leptechioceras hugi Buckman 1914 [synonym]

†Leptechioceras nodotianum d'Orbigny 1844

†Leptechioceras subplicatum Trueman and Williams 1925

Invalid names: Psilechioceras Erben 1956 [synonym]

G. †Orthechioceras Trueman and Williams 1925

†Orthechioceras edmundi Dumortier 1867

†Orthechioceras viticola Dumortier 1867

Invalid names: Turrilites boblayei d'Orbigny 1843 [synonym]

Invalid names: Homechioceras Trueman and Williams 1925 [synonym]

G. †Palaeoechioceras Spath 1929

†Palaeoechioceras spirale Trueman and Williams 1927

†Palaeoechioceras suemegensis Geczy and Meister 2007

Invalid names: Hypechioceras Spath 1956 [synonym], Protechioceras Trueman and Williams 1927 [replaced]

G. †Paltechioceras Buckman 1924

†Paltechioceras anomalum Sun et al. 1980

†Paltechioceras aureolum Simpson 1855

Invalid names: Echioceras regustatum Buckman 1914 [synonym]

†Paltechioceras boehmi Hug 1899

†Paltechioceras burckhardti Erben 1956

†Paltechioceras charpentieri Schafhautl 1847

Invalid names: Leptechioceras scoticum Buckman 1914 [synonym]

†Paltechioceras elicitum Buckman 1924

Invalid names: Euechioceras oosteriforme Erben 1956 [synonym]

†Paltechioceras favrei Hug 1899

†Paltechioceras flexicostatum Trueman and Williams 1925

†Paltechioceras hierlatzicum Hauer 1853

†Paltechioceras liciense Blau 1998

†Paltechioceras meisteri Blau 1998

†Paltechioceras mexicanum Erben 1956

†Paltechioceras nobile Trueman and Williams 1925

†Paltechioceras oosteri Dumortier 1869

Invalid names: Arietites studeri Hug 1899 [synonym], Euechioceras angustilobatum Trueman and Williams 1925 [synonym], Kamptechioceras variabile Trueman and Williams 1925 [synonym], Paltechioceras ebriolum Trueman and Williams 1925 [synonym]

†Paltechioceras ophioides d'Orbigny 1844

†Paltechioceras recticostatum Trueman and Williams 1925

Invalid names: Vermiceras prolaquense Fucini 1911 [replaced]

†Paltechioceras romanicum Uhlig 1900

Invalid names: Arietites boesei Uhlig 1900 [synonym], Arietites herbichi Uhlig 1900 [synonym], Arietites orientale Pia 1913 [synonym], Arietites waehneri Uhlig 1900 [synonym], Paltechioceras romanicum anatolicum Bremer 1965 [synonym]

†Paltechioceras rothpletzi Böse 1894

†Paltechioceras tardecrescens Buckman 1914

Invalid names: Caloceras aplanatum Hyatt 1889 [synonym], Euechioceras insigne Trueman and Williams 1925 [synonym], Plesechioceras typus Buckman 1927 [synonym]

Invalid names: Echioceratoides [synonym], Epechioceras Trueman and Williams 1925 [synonym], Euechioceras Trueman and Williams 1925 [synonym], Kamptechioceras Trueman and Williams 1925 [synonym], Metechioceras Trueman and Williams 1925 [synonym], Stenechioceras Buckman 1927 [synonym], Vobstericeras Trueman and Williams 1925 [synonym]

G. †Plesechioceras Trueman and Williams 1925

†Plesechioceras doricum Savi and Meneghini 1853

†Plesechioceras pierrei Spath 1956

Fm. †Oxynoticeratidae Hyatt 1875

G. †Cheltonia

†Cheltonia acciptris Buckman 1923

†Cheltonia galeata Hoffmann 1944

†Cheltonia oustense Rakús and Guex 2002

G. †Gleviceras Buckman 1918

†Gleviceras boucaultianum Dumortier 1900

†Gleviceras doris Reynes 1879

†Gleviceras glevense Buckman 1918

†Gleviceras guibalianum d'Orbigny 1844

†Gleviceras iridescens Tutcher and Trueman 1925

†Gleviceras lotharingius Reynes 1850

†Gleviceras palomense Erben 1956

†Gleviceras paniceum Quenstedt 1884

†Gleviceras rigidum Pia 1914

†Gleviceras subguibalianum Pia 1914

Invalid names: Amaltheus guibalianus Wright 1881 [replaced]

†Gleviceras victoris Dumortier 1867

Invalid names: Oxynoticeras haueri Fucini 1901 [synonym], Oxynoticeras jolyi Gerard 1932 [synonym], Tutchericeras perfoliatum Buckman 1919 [synonym]

Invalid names: Glevumites Buckman 1924 [synonym], Guibaliceras Buckman 1918 [synonym], Riparioceras Schindewolf 1962 [synonym], Tutchericeras Buckman 1919 [synonym], Victoriceras Buckman 1918 [synonym]

G. †Hypoxynoticeras

G. †Oxynoticeras Hyatt 1874

†Oxynoticeras aballoensis d'Orbigny 1850

†Oxynoticeras buckii Simpson 1843

†Oxynoticeras guibalii Reynes 1850

†Oxynoticeras orientale Douvillé 1916

†Oxynoticeras oxynotum Quenstedt 1843

†Oxynoticeras sismondae d'Orbigny 1844

†Oxynoticeras soemanni Dumortier 1867

†Oxynoticeras stenomphalum Dumortier 1914

†Oxynoticeras williamsi Tutcher and Trueman 1925

G. †Oxynoticeroides Dommergues et al. 1986

†Oxynoticeroides simplicatum Dommergues et al. 1986

G. †Paracymbites

†Paracymbites denneyi Simpson 1843

†Paracymbites dennyiformis Rakús and Guex 2002

G. †Paroxynoticeras

†Paroxynoticeras salisburgense Hauer 1856

†Paroxynoticeras subundulatum Pia 1914

G. †Radstockiceras Buckman 1918

†Radstockiceras buvignieri d'Orbigny 1844

Invalid names: Homoxynoticeras homoeum Buckman 1925 [synonym], Metoxynoticeras oppeli Buckman 1925 [synonym]

†Radstockiceras complanosum Simpson 1855

Invalid names: Oxynoticeras numismale Oppel 1853 [synonym]

†Radstockiceras complicatum Buckman 1918

†Radstockiceras coynarti d'Orbigny 1844

†Radstockiceras evolutum Fucini 1901

†Radstockiceras fastigatum Venturi et al. 2005

†Radstockiceras gemmellaroi Pompeckj 1906

†Radstockiceras hechingense Schlatter 1980

†Radstockiceras involutum Pompeckj 1907

†Radstockiceras lynx d'Orbigny 1844

†Radstockiceras perilambanon De Stefani 1887

Invalid names: Carixiceras Spath 1925 [synonym], Fastigiceras Buckman 1919 [synonym], Homoxynoticeras Buckman 1925 [synonym], Kleistoxynoticeras Buckman 1925 [synonym], Metoxynoticeras [synonym], Phylloxynotites Buckman 1924 [synonym], Retenticeras Buckman 1920 [synonym]

G. †Slatterites

Fm. †Psiloceratidae Hyatt 1867

Subfm. †Discamphiceratinae Guex and Rakus 1991

G. †Discamphiceras

G. †Kammerkaroceras

G. †Paradiscamphiceras Taylor 1988

G. †Euphyllites Wahner 1898

†Euphyllites occidentalis Guex 1980

†Euphyllites struckmanni Neumayr 1879

G. †Mullerites Guex 1980

†Mullerites pleuroacanthitoides Guex 1980

G. †Psiloceras

Subg. †Psiloceras (Discamphiceras) Schlegelmilch 1976

†Psiloceras angulocostatum Hillebrandt and Kment 2015

†Psiloceras calliphylloides Pompeckj 1893

†Psiloceras calliphyllum Neumayr 1879

†Psiloceras marcouxi Guex et al. 1998

†Psiloceras pacificum Guex 1980

†Psiloceras planorbis Sowerby 1824

†Psiloceras plicatulum Quenstedt 1883

†Psiloceras polymorphum Guex 1980

Invalid names: Caloceras crassicostatum Guex 1995 [synonym]

†Psiloceras pressum Hillebrandt 2000

†Psiloceras primocostatum Hillebrandt 1988

Invalid names: Psiloceras minillaensis Hillebrandt 2000 [synonym], Psiloceras planocostatum Hillebrandt 2000 [synonym]

†Psiloceras rectocostatum Hillebrandt 1988

†Psiloceras reynesi Spath 1924

†Psiloceras spelae Guex et al. 1998

†Psiloceras strongolum Lange 1952

†Psiloceras tibeticum Yin et al. 2007

†Psiloceras tilmanni Lange 1925

Invalid names: Paraphylloceras Salfeld 1919 [synonym], Primapsiloceras Repin 1981 [synonym], Psilonoticeras Quenstedt 1883 [objective synonym], Transipsiloceras Guex 1980 [synonym]

Subfm. †Psiloceratinae Hyatt 1867

G. †Badouxia Guex and Taylor 1976

G. †Caloceras

G. †Franziceras Buckman 1923

G. †Laqueoceras

G. †Murihikuites Stevens 2004

G. †Neophyllites Lange 1941

G. †Psilophyllites

Invalid names: Hagenowiceras Lange 1922 [objective synonym]

Invalid names: Sunrisitinae Hillebrandt 2000 [synonym]

Invalid names: Caloceratidae Buckman 1906 [synonym]

Fm. †Schlotheimiidae Spath 1923

G. †Angulaticeras Quenstedt 1882

Subg. †Angulaticeras (Angulaticeras) Buckman 1844

†Angulaticeras angustisulcata Fucini 1903

†Angulaticeras boucaultianum d'Orbigny 1844

Invalid names: Ammonites boucaulti Reynes 1879 [replaced]

†Angulaticeras cachinensis Hillebrandt 2000

†Angulaticeras charmassei d'Orbigny 1844

†Angulaticeras coquandi Stefani 1887

†Angulaticeras deletum Canavari 1882

Invalid names: Aegoceras lacunatum Dumortier 1867 [replaced], Schlotheimia cheltoniensis Buckman 1906 [synonym], Schlotheimia dumortieri Fucini 1903 [synonym], Schlotheimia glevensis Buckman 1906 [synonym]

†Angulaticeras densilobatum Pompeckj 1893

†Angulaticeras dumitricai Guex 1995

†Angulaticeras etruscum Fucini 1903

†Angulaticeras flaghillense Stevens 2004

†Angulaticeras lacunatum Buckman 1842

†Angulaticeras leigneletii d'Orbigny 1844

†Angulaticeras marmoreum Oppel 1862

Invalid names: Aegoceras tenuicostatum Herbich 1878 [synonym], Schlotheimia (Angulaticeras) curvata Blind 1963 [synonym], Schlotheimia (Angulaticeras) harpicostata Blind 1963 [synonym]

†Angulaticeras ochoticum Repin 1972

†Angulaticeras posttaurinus Waehner 1886

†Angulaticeras rotundum Quendstedt 1882

†Angulaticeras rumpens Oppel 1862

†Angulaticeras sulcatum Simpson 1843

Invalid names: Argoceras Steinmann 1925 [synonym], Boucaulticeras Spath 1924 [synonym], Charmasseiceras Spath 1924 [synonym], Encycloceras Blind 1963 [synonym], Gydanoceras Repin 1972 [synonym], Hesperites Pompeckj 1895 [synonym], Hongkongites Grabau 1928 [synonym], Pseudoschlotheimia Spath 1924 [synonym], Sulciferites Spath 1922 [synonym]

G. †Kammerkarites Spath 1924

†Kammerkarites chinchillaensis Hillebrandt 2000

†Kammerkarites diploptychoides Guex 1980

†Kammerkarites diploptychum Waehner 1882

†Kammerkarites frigga Wahner 1884

†Kammerkarites haploptychus Wahner 1882

†Kammerkarites megastoma Guembel 1861

†Kammerkarites paucicostatum Avias 1953

†Kammerkarites praecoronoides Guex 1980

†Kammerkarites rahana Wahner 1884

†Kammerkarites rectiradiatus Guex 1980

†Kammerkarites tumescens Guerin-Franiatte 1990

Invalid names: Megastomoceras Lange 1941 [synonym]

G. †Macrogrammites Buckman 1928

Invalid names: Storthoceras Lange 1941 [synonym]

G. †Saxoceras Lange 1924

†Saxoceras extracostatum Waehner 1882

†Saxoceras portlocki Wright 1881

G. †Schlotheimia Bayle 1878

†Schlotheimia angulata Schlotheim 1820

Invalid names: Ammonites angulatus Sowerby 1815 [replaced]

†Schlotheimia cuevitensis Hillebrandt 2000

†Schlotheimia moreana d'Orbigny 1844

†Schlotheimia phobetica Lange 1951

†Schlotheimia phoenix Spath 1924

†Schlotheimia pseudomoreana Spath 1924

†Schlotheimia quadrata Spath 1924

†Schlotheimia similis Spath 1924

Invalid names: Anguliferites Lange 1951 [synonym], Scamnoceras Lange 1924 [objective synonym]

G. †Waehneroceras

†Waehneroceras iapetus Spath 1924

†Waehneroceras tenerum Neumayr 1879

†Waehneroceras tomesi Spath 1924

Invalid names: Curviceras Blind 1963 [synonym], Teneroceras Lange 1952 [objective synonym]

Invalid names: Waehneroceratinae Rakus 1975 [synonym]

Invalid names: Arietitacea Hyatt 1875 [synonym], Phyllytoceratidae Wiedmann 1970 [empty]

Superfm. †Pulchelliaceae Douvillé 1890

Fm. †Pulchelliidae Hyatt 1903

G. †Coronites

G. †Discoidellia Vermeulen 1995

†Discoidellia pseudobertrandi Cecca et al. 1998

†Discoidellia vermeuleni Cecca et al. 1998

G. †Lopholobites Hyatt 1900

G. †Nicklesia Hyatt 1903

†Nicklesia dumasiana d'Orbigny 1840

†Nicklesia pulchella d'Orbigny 1841

G. †Psilopulchellia Hyatt 1903

G. †Psilotissotia Hyatt 1900

Subg. †Psilotissotia (Buergliceras) Etayo Serna 1968

Subg. †Psilotissotia (Psilotissotia) Hyatt 1900

Subfm. †Psilotissotiinae Vermuelen 1995

G. †Kotetishvilia Vermeulen 1997

G. †Pulchellia

Subg. †Pulchellia (Carstenia)

Subg. †Pulchellia (Heinzia)

†Pulchellia chalmasi Nicklès 1890

Invalid names: Lopholobites cotteaui Nicklès 1894 [synonym]

Subfm. †Pulchelliinae Douville 1890

G. †Gerhardtia Hyatt 1903

G. †Subpulchellia

Superfm. †Spiroceratoidea Hyatt 1900

Fm. †Spiroceratidae

G. †Apsorroceras Hyatt 1900

†Apsorroceras baculatus Quenstedt 1858

G. †Kumetaceras Galácz 2019

†Kumetaceras enigmaticum Galácz 2019

G. †Sikeliceras Galácz 2019

†Sikeliceras costatum Galácz 2019

G. †Spiroceras

†Spiroceras althoffi Potonie 1929

†Spiroceras annulatum d'Orbigny 1850

Invalid names: Toxoceras obliquus Baugier and Sauze 1843 [synonym]

†Spiroceras bifurcatum Quenstedt 1856

†Spiroceras bispinatum Baugier and Sauze 1843

†Spiroceras cylindricum Baugier and Sauze 1843

†Spiroceras fourneti Romand and Petouraud 1927

†Spiroceras garani Baugier and Sauze 1843

†Spiroceras levigatum d'Orbigny 1850

†Spiroceras obliquecostatum Quenstedt 1887

†Spiroceras orbignyi Baugier and Sauze 1843

Invalid names: Ancyloceras obliquus d'Orbigny 1850 [synonym], Toxoceras aequalicostatus Baugier and Sauze 1843 [synonym], Toxoceras baugieri d'Orbigny 1850 [synonym]

†Spiroceras rarispina Baugier and Sauze 1843

†Spiroceras sauzeanum d'Orbigny 1850

Invalid names: Ancyloceras nodosus d'Orbigny 1850 [synonym]

Invalid names: Helicoceras teilleuxi Baugier and Sauze 1843 [nomen dubium], Patoceras Meek 1876 [synonym], Plagiamites Buckman 1925 [synonym], Rhabdodites Buckman 1923 [synonym]

Superfm. †Stephanoceratoidea Newmayr 1875

Fm. †Cardioceratidae Siemiradzki 1891

Subfm. †Arctocephalitinae Meledina 1968

G. †Arcticoceras

G. †Arctocephalites

G. †Paracadoceras

Subfm. †Cadoceratinae Hyatt 1900

G. †Cadoceras

Invalid names: Rondiceras Troizkaya 1956 [synonym]

G. †Catacadoceras Bodylevsky 1960

G. †Chamoussetia Douville 1911

G. †Chinitnites Imlay 1975

G. †Greencephalites Repin 2007

G. †Longaeviceras Buckman 1918

G. †Miccocephalites

G. †Novocadoceras Sazonov 1965

G. †Platychamoussetia Repin 2002

G. †Cadochamoussetia Mitta 1999

†Cadochamoussetia subpatruus Nikitin 1985

†Cadochamoussetia surensis Nikitin 1885

Subfm. †Cardioceratinae Siemiradzki 1891

G. †Bourkelamberticeras Buckman 1920

G. †Cardioceras

G. †Cuneicardioceras

G. †Eboraciceras

G. †Goliathiceras Buckman 1919

G. †Goliathites

G. †Herznachites Jeannet 1951

G. †Hoplocardioceras

G. †Korythoceras

G. †Lamberticeras

G. †Nannocardioceras

G. †Pavloviceras

G. †Prionodoceras Buckman 1920

G. †Prorsiceras

G. †Quenstedtoceras Hyatt 1877

G. †Eckhardites Mitta 1999

†Eckhardites dietli Mitta 2009

G. †Plasmatites Buckman 1925

†Plasmatites crenulatus Buckman 1925

Invalid names: Cadoceratidae Hyatt 1900 [synonym]

Fm. †Macrocephalitidae

G. †Dolikephalites Buckman 1923

G. †Eucycloceras

G. †Idiocycloceras

G. †Indocephalites

G. †Kamptokephalites

†Kamptokephalites amboromihantensis Collignon 1958

G. †Macrocephalites Zittel 1884

†Ammonites (Macrocephalites) ishmae Keyserling 1846

†Macrocephalites cadoceroides Burckhardt 1927

†Macrocephalites jacquoti Douvillé 1878

†Macrocephalites macrocephalus Schlotheim 1813

†Macrocephalites tuguriensis Hébert and Eudes-Deslongchamps 1860

G. †Nothocephalites

G. †Pleurocephalites

†Pleurocephalites costumbilicatum Basse and Perrodon 1951

†Pleurocephalites habyensis Spath 1928

G. †Subkossmatia

Fm. †Oecoptychiidae Arkell 1957

G. †Oecoptychius

G. †Protophites

†Protophites christoli Beaudoin 1851

†Protophites vannii Bert 2003

Fm. †Otoitidae Mascke 1907

G. †Docidoceras Buckman 1919

Subg. †Docidoceras (Docidoceras) Buckman 1919

Subg. †Docidoceras (Pseudocidoceras) Westermann 1969

†Docidoceras cylindroides Buckman 1919

†Docidoceras wysogorskii Prinz 1904

†Docidoceras zemistephanoides Géczy 1967

G. †Emileia

G. †Frogdenites

G. †Megasphaeroceras Imlay 1961

†Megasphaeroceras rotundum Imlay 1961

G. †Mollistephanus Buckman 1922

†Mollistephanus cockroadensis Chandler and Dietze 2004

†Mollistephanus kondai Galacz 1986

†Mollistephanus lupheri Imlay 1973

†Mollistephanus mollis Buckman 1922

†Mollistephanus ottiliae Galácz 2015

†Mollistephanus planulatus Buckman 1921

†Mollistephanus westermanni Sandoval et al. 2000

G. †Otoites

†Otoites antipodus Arkell 1954

†Otoites australis Crick 1894

†Otoites reesidei Crickmay 1933

†Otoites sauzei d'Orbigny 1846

†Otoites woodwardi Crick 1894

G. †Parachondroceras Imlay 1967

†Parachondroceras andrewsi Imlay 1967

†Parachondroceras filicostatum Imlay 1967

G. †Pseudotoites

Subg. †Pseudotoites (Pseudotoites) Spath 1939

†Pseudotoites brunnschweileri Arkell 1954

†Pseudotoites championensis Crick 1894

†Pseudotoites emilioides Arkell 1954

†Pseudotoites fasciculatus Arkell 1954

†Pseudotoites leicharti Neumayr 1885

†Pseudotoites robiginosus Crick 1894

†Pseudotoites semiornatus Crick 1894

†Pseudotoites spitiformis Arkell 1954

G. †Trilobiticeras Buckman 1919

†Otoites (Trilobiticeras) depressus Whitehouse 1924

Subg. †Trilobiticeras (Emileites) Buckman 1927

Subg. †Trilobiticeras (Trilobiticeras) Buckman 1919

G. †Zemistephanus

†Zemistephanus armatus Arkell 1954

†Zemistephanus corona Arkell 1954

Fm. †Sphaeroceratidae Buckman 1920

G. †Chondroceras

†Chondroceras russelli Crickmay 1933

G. †Eocephalites Imlay 1967

†Eocephalites primus Imlay 1967

Subfm. †Eurycephalitinae Thierry 1976

G. †Araucanites Westermann and Riccardi

G. †Eurycephalites

G. †Iniskinites Imlay 1975

G. †Lilloettia Crickmay 1930

G. †Stehnocephalites

G. †Veranadaites Parent and Garrido 2015

G. †Xenocephalites

G. †Labyrinthoceras

Subfm. †Mayaitinae Spath 1928

G. †Dhosaites

G. †Epimayaites Spath 1928

G. †Grayiceras

G. †Mayaites

G. †Paryphoceras Spath 1928

Invalid names: Prograyiceras Spath 1928 [synonym]

G. †Oecoptychoceras Buckman 1920

G. †Sphaeroceras

†Sphaeroceras brongniarti Sowerby 1818

†Sphaeroceras tutthum Buckman 1921

†Sphaeroceras vcostatum Burckhardt 1927

Fm. †Stephanoceratidae Neumayr 1875

G. †Arkelloceras Frebold 1957

†Arkelloceras elegans Frebold 1976

†Arkelloceras mclearni Frebold 1957

†Arkelloceras tozeri Frebold 1957

Subfm. †Cadomitinae Westermann 1956

G. †Cadomites

Invalid names: Bayleites [synonym], Polystephanus Buckman 1922 [synonym], Stegeostephanus Buckman 1922 [synonym]

Subfm. †Clydoniceratinae Buckman 1924

G. †Clydomphalites Arkell 1952

G. †Clydoniceras

Invalid names: Benedictites Buckman 1924 [synonym], Harpoceratidarum Pompeckj 1906 [synonym]

G. †Dhrumaites Arkell 1952

G. †Micromphalites

Invalid names: Thamboceratinae Arkell 1952 [synonym]

G. †Dettermanites Imlay 1961

†Dettermanites vigorosus Imlay 1961

G. †Ermoceras Douvillé 1916

Subg. †Ermoceras (Ermoceras) Douvillé 1916

†Ermoceras deserti Douvillé 1916

†Ermoceras inerme Douvillé 1916

Subfm. †Frebolditinae Fernandez-Lopez and Pavia 2015

G. †Bajocia Brasil 1895

G. †Freboldites Taylor 1988

G. †Parabigotites Imlay 1961

G. †Parastrenoceras

G. †Patrulia Sturani 1971

G. †Subcollina

Subfm. †Garantianinae Wetzel 1937

G. †Garantiana Maschke 1907

Invalid names: Baculatoceras Mascke 1907 [synonym], Garantia Rollier 1911 [synonym], Odontolkites Buckman 1925 [synonym], Praeparkinsonia [synonym], Subparkinsonia Mascke 1907 [synonym]

G. †Keppleritiana Mitta 2017

G. †Kosmermoceras Arkell 1952

†Ermoceras (Kosmermoceras) aulacostephanus Arkell 1952

†Ermoceras (Kosmermoceras) elegans Douvillé 1916

†Ermoceras (Kosmermoceras) magnificum Arkell 1952

†Ermoceras (Kosmermoceras) runcinatum Arkell 1952

†Ermoceras (Kosmermoceras) strigatum Arkell 1952

G. †Kumatostephanus

G. †Lupherites Imlay 1973

†Lupherites senecaensis Imlay 1973

Subfm. †Mollistephaninae Fernandez-Lopez and Pavia 2015

G. †Paramollistephanus Fernandez-Lopez and Pavia 2015

G. †Phaulostephanus

Subfm. †Parkinsoniinae Buckman 1920

G. †Parkinsonia Bayle

G. †Rarecostites Besnosov and Kutuzova 1982

G. †Riccardiceras Westermann 1995

†Riccardiceras limatum Pompeckj 1897

†Riccardiceras longalvum Vacek 1886

†Riccardiceras perfectum Buckman 1922

†Riccardiceras telegdirothi Géczy 1967

G. †Skolekostephanus

G. †Sohlites Imlay 1967

†Sohlites spinosus Imlay 1967

G. †Stemmatoceras

†Stemmatoceras arcicostum Imlay 1967

†Stephanoceras (Stemmatoceras) subcoronatum Oppel 1856

†Stephanoceras (Stemmatoceras) triptolemus Morris and Lycett 1851

Subfm. †Stephanoceratinae Neumayr 1875

G. †Duashnoceras

G. †Normannites

Invalid names: Alfeldites [synonym], Epalxites Mascke 1907 [synonym], Germanoides Westermann 1956 [synonym], Gerzenites Westermann 1954 [synonym], Itinsaites McLearn 1927 [synonym], Masckeites Buckman 1920 [synonym], Parallites Westermann 1954 [synonym]

G. †Stephanoceras Waagen 1869

Invalid names: Kreterostephanus Buckman 1927 [synonym]

G. †Teloceras

Invalid names: Blagdenia Roche 1939 [objective synonym]

G. †Telermoceras Arkell 1952

†Ermoceras (Telermoceras) coronatiforme Arkell 1952

†Ermoceras (Telermoceras) coronatoides Douvillé 1916

†Ermoceras (Telermoceras) reineckeoides Arkell 1952

†Ermoceras (Telermoceras) splendens Arkell 1952

G. †Westermannites Dietze et al. 2001

†Westermannites chocsinskyi Hantken 1904

†Westermannites parvus Géczy 1967

Fm. †Tulitidae Buckman 1921

G. †Bullatimorphites

Subg. †Bullatimorphites (Bullatimorphites) Buckman 1921

Subg. †Bullatimorphites (Kheraiceras)

Subg. †Bullatimorphites (Sphaeroptychius)

†Bullatimorphites trigeri Hébert and Eudes-Deslongchamps 1860

G. †Krumbeckia Arkell 1951

G. †Morrisiceras

Subg. †Morrisiceras (Morrisiceras) Buckman 1920

†Morrisiceras morrisi Oppel 1857

Invalid names: Holzbergia Torrens 1971 [synonym], Lycetticeras [synonym], Morrisites Buckman 1920 [synonym], Pionoceras Lissajous 1923 [synonym]

G. †Schwandorfia

†Schwandorfia boulangeri Collignon 1958

G. †Treptoceras Enay 1959

G. †Trolliceras Torrens 1970

G. †Tulites

Subg. †Tulites (Tulites) Buckman 1921

†Tulites arabicus Arkell 1952

†Tulites cadus Buckman 1922

†Tulites erymnoides Arkell 1952

†Tulites tuwaiqensis Arkell 1952

Invalid names: Madarites Buckman 1921 [synonym], Rugiferites [synonym], Sphaeromorphites Buckman 1921 [synonym], Sphaerophorites Buckman 1921 [synonym], Tulophorites Buckman 1921 [synonym]

Invalid names: Lytoceratina Hyatt 1899 [synonym], Oppeliaceae Buckman 1924 [empty], Sphaeroceratoidea Neumayr 1875 [empty]

Subor. †Ancyloceratina Wiedmann 1966

Superfm. †Acanthohoplitoidea Stoyanow 1949

Fm. †Acanthohoplitidae Stoyanow 1949

Subfm. †Acanthohoplitinae Stoyanow 1949

G. †Acanthohoplites Sinzow 1908

Invalid names: Protacanthoplites Tovbina 1970 [synonym]

G. †Colombiceras Spath 1923

G. †Gargasiceras Casey 1954

G. †Hypacanthohoplites Spath 1923

G. †Hypacanthoplites Spath 1923

G. †Immunitoceras Stoyanow 1949

G. †Mellegueiceras Latil 2011

G. †Neodeshayesites Casey 1964

G. †Nolaniceras

G. †Paracanthohoplites Stoyanow 1949

G. †Paracanthoplites Stoyanow 1949

G. †Penaceras Cantú-Chapa 1963

G. †Rhytidoplites Scott 1940

Superfm. †Ancyloceratoidea Gill 1871

Fm. †Acrioceratidae Vermeulen 2004

G. †Brainaella Frau et al. 2017

†Brainaella marcoulinense Frau et al. 2017

G. †Dissimilites Sarkar 1954

†Dissimilites trinodosus d'Orbigny 1852

G. †Hamiticeras Anderson 1938

†Hamiticeras chipatai Kakabadze and Hoedemaeker 1997

†Hamiticeras philadelphium Anderson 1938

†Hamiticeras pilsbryi Anderson 1938

G. †Hoplocrioceras Spath 1924

†Hoplocrioceras duncanense Anderson 1938

Invalid names: Hoplocrioceras onoense Anderson 1938 [synonym]

†Hoplocrioceras remondi Gabb 1864

Invalid names: Helicancylinae Hyatt 1894 [invalid subgroup], Helicancylus Gabb 1869 [nomen nudum], Helicancylus aequicostatus Gabb 1864 [nomen nudum]

Fm. †Ancyloceratidae Gill 1871

G. †Ammonitoceras

†Ammonitoceras ackermanni Krenkel 1910

†Ammonitoceras lahuseni Sinzow 1906

Invalid names: Ammonitoceras leiferrasensis Delanoy 2018 [synonym], Caseyites morenobedmari Delanoy 2018 [synonym], Caspianites ragazziae Delanoy 2018 [synonym]

†Ammonitoceras ramboulai Collignon 1962

†Ammonitoceras ucetiae Dumas 1876

Invalid names: Ammonitoceras dumasi Delanoy 2018 [synonym], Ammonitoceras madouxi Delanoy 2018 [synonym], Caseyites esteronensis Delanoy 2018 [synonym], Caseyites vermeuleni Delanoy 2018 [synonym], Proaustraliceras bournaudi Delanoy 2018 [synonym]

Subfm. †Ancyloceratinae Gill 1871

G. †Acanthoptychoceras Manolov 1962

G. †Acrioceras Hyatt 1900

G. †Ancyloceras d'Orbigny 1842

G. †Caspianites Casey 1961

G. †Dirrymoceras Hyatt 1900

G. †Epancyloceras

G. †Huastecoceras Cantu-Chapa 1976

G. †Tonohamites Spath 1924

G. †Toxancyloceras Delanoy 2003

G. †Tropaeum Sowerby 1837

G. †Audouliceras Thomel 1964

†Ancyloceras (Audouliceras) audouli Astier 1851

†Ancyloceras (Audouliceras) fallauxi Uhlig 1883

†Audouliceras renauxianum d'Orbigny 1842

G. †Australiceras Whitehouse 1926

†Australiceras argus Anderson 1938

†Australiceras gracile Sinzow 1908

†Australiceras irregulare Tenison-Woods 1882

†Australiceras jacki Etheridge 1880

†Australiceras lampros Etheridge 1909

†Australiceras mozambiquense Krenkel 1910

†Australiceras robustum Whitehouse 1926

†Australiceras transiente Whitehouse 1926

G. †Colchidites

†Colchidites breistrofferi Kakabadze and Thieuloy 1991

†Colchidites vulanensis Egojan 1965

G. †Koeneniceras Mikhailova and Baraboshkin 2002

†Koeneniceras tenuiplicatum von Koenen 1902

G. †Lithancylus

†Lithancylus grandis Sowerby 1828

Invalid names: Lithancylus bifurcatus Delanoy 2018 [synonym]

G. †Paracrioceras

†Paracrioceras barremense Kilian 1895

G. †Pedioceras Gerhardt 1897

†Pedioceras asymmetricum Kakabadze and Hoedemaeker 1997

†Pedioceras caquesense Karsten 1858

Invalid names: Ammonites ubaquensis Karsten 1858 [synonym], Pedioceras cundinamarcae Gerhardt 1897 [synonym], Pedioceras durangense Burckhardt 1925 [synonym]

G. †Proaustraliceras Kakabadze 1977

†Proaustraliceras tuberculatum Sinzow 1872

G. †Pseudoaustraliceras Kakabadze 1981

†Pseudoaustraliceras columbiae Basse 1928

†Pseudoaustraliceras gabbi Anderson 1938

†Pseudoaustraliceras pavlowi Wassiliewskyi 1908

Invalid names: Australiceras hirtzi Collignon 1962 [synonym]

†Pseudoaustraliceras ramososeptatum Anthula 1899

G. †Pseudocrioceras Spath 1924

†Pseudocrioceras anthulai Eristavi 1955

G. †Shastoceras Anderson 1938

†Shastoceras behemoth Anderson 1938

†Shastoceras californicum Anderson 1938

†Shastoceras shastense Anderson 1938

†Shastoceras ventricosum Anderson 1938

G. †Volgoceratoides Mikhailova and Baraboshkin 2002

†Volgoceratoides biplicatus von Koenen 1902

†Volgoceratoides schilovkensis Mikhailova and Baraboshkin 2002

G. †Xerticeras Delanoy et al. 2013

†Xerticeras salasi Delanoy et al. 2013

Invalid names: Anisoceratinae Hyatt 1900 [empty], Leptoceratinae Manolov 1962 [empty], Tonoceras Hyatt 1900 [nomen nudum]

Fm. †Hemihoplitidae Spath 1924

G. †Camereiceras Delanoy 1990

†Camereiceras corroyi Fabre 1940

G. †Hemihoplites Spath 1924

†Hemihoplites feraudianus d'Orbigny 1841

†Hemihoplites mexicanus Imlay 1940

†Hemihoplites ploszkiewiczi Riccardi and Aguirre Urreta 1989

†Hemihoplites popenoei Murphy 1975

†Hemihoplites soulieri Matheron 1878

†Hemihoplites varicostatus Riccardi and Aguirre Urreta 1989

G. †Matheronites Renngarten 1926

†Matheronites brevicostatus Bogdanova 1971

†Matheronites ridzewskyi Karakash 1897

G. †Pascoeites

Fm. †Heteroceratidae Spath 1922

G. †Barguesiella Frau et al. 2016

†Barguesiella goudesense Frau et al. 2016

†Barguesiella mantei Frau et al. 2016

G. †Calanquites Frau et al. 2016

†Calanquites katsharavai Rouchadzé 1933

†Calanquites microcostatus Rouchadzé 1933

†Calanquites semituberculatus Rouchadzé 1933

G. †Giovaraites Frau et al. 2016

†Giovaraites massiliae Frau et al. 2016

G. †Hemibaculites Hyatt 1900

†Hemibaculites cyclopius Anderson 1938

†Hemibaculites mirabilis Anderson 1938

†Hemibaculites nauplius Anderson 1938

†Hemibaculites neleus Anderson 1938

Invalid names: Moutoniceras [synonym]

G. †Heteroceras d'Orbigny 1849

Subg. †Heteroceras (Argvethites) Rouchadz 1933

Subg. †Heteroceras (Heteroceras) d'Orbigny 1849

†Heteroceras astierianum d'Orbigny 1851

†Heteroceras baylei Reynès 1876

Invalid names: Heteroceras elegantoides Kakabadze 1988 [synonym]

†Heteroceras denizoti Frau et al. 2016

†Heteroceras helicoceroides Karsten 1858

†Heteroceras jeletzkyi Murphy 1975

†Heteroceras veratiae Frau et al. 2016

Invalid names: Atopoceras Kilian 1889 [synonym], Lindigia Karsten 1858 [synonym]

Subfm. †Heteroceratinae Spath 1922

G. †Eristavia Kakabadze 1967

G. †Imerites Rouchadzé 1933

G. †Paraimerites Kakabadze 1967

G. †Lazariniceras Vermeulen 2011

†Lazariniceras astierianum d'Orbigny 1850

Invalid names: Lazariniceras rouvieri Vermeulen 2011 [synonym]

†Lazariniceras heterostylia Bert et al. 2023

†Lazariniceras lhaumeti Bert et al. 2023

G. †Martelites Conte 1989

G. †Uhligia

Fm. †Himantoceratidae Dimitrova 1970

G. †Eocrioceratites Wiedmann 1973

†Eocrioceratites rebillyi Collignon 1962

G. †Himantoceras Thieuloy 1965

†Himantoceras acuticostatum Thieuloy 1965

†Himantoceras gigas Thieuloy and Bulot 1993

†Himantoceras lessinianum Faraoni et al. 1997

†Himantoceras trinodosum Thieuloy 1965

Invalid names: Himantoceras collignoni Thieuloy 1965 [synonym], Himantoceras thieuloyi Mandov 1974 [synonym]

Invalid names: Criohimantoceras Thieuloy and Bulot 1993 [synonym]

G. †Umgazaniceras Klinger and Kennedy 1979

†Umgazaniceras thieuloyi Klinger and Kennedy 1979

Fm. †Labeceratidae Spath 1925

G. †Aleteceras Whitehouse 1926

†Aleteceras axonoides Etheridge 1909

†Aleteceras nautiloides Etheridge 1909

†Aleteceras plectoides Etheridge 1909

†Aleteceras tardicostatum Whitehouse 1926

G. †Hamitoides

†Hamitoides angolanus Haas 1942

G. †Idanoceras Henderson and McKenzie 2002

G. †Labeceras Spath 1925

Subg. †Labeceras (Appurdiceras) Whitehouse 1926

Subg. †Labeceras (Labeceras) Spath 1925

†Labeceras compressum Whitehouse 1926

†Labeceras crassicostatum Collignon 1962

†Labeceras inflatum Förster 1975

†Labeceras laqueus Etheridge 1892

†Labeceras papulatum Whitehouse 1926

†Labeceras plasticum Spath 1925

†Labeceras trifidum Whitehouse 1926

G. †Myloceras Spath 1925

Subg. †Myloceras (Calliscaphites) Leanza 1970

Subg. †Myloceras (Ellipsoceras) Collignon 1950

Subg. †Myloceras (Flindersites) Whitehouse 1926

†Myloceras ammonoides Etheridge 1909

†Myloceras auritulum McNamara 1978

†Myloceras cornucopium Spath 1925

Invalid names: Myloceras amaltheia Spath 1925 [synonym]

†Myloceras davidi Whitehouse 1926

†Myloceras joffrei Boule et al. 1907

†Myloceras orbiculus Whitehouse 1926

†Myloceras serotinum Spath 1925

Invalid names: Abadieceras Collignon 1950 [synonym]

Invalid names: Aleteceratidae Whitehouse 1926 [synonym]

Fm. †Leptoceratoididae Thieuloy 1966

G. †Anglesites Delanoy and Busnardo 2007

†Anglesites puzosianum d'Orbigny 1842

Invalid names: Parancyloceras meridionale Avram 1998 [synonym]

G. †Hamulinites Paquier 1900

†Hamulinites munieri Nicklés 1894

†Hamulinites varusensis d'Orbigny 1850

Invalid names: Eoleptoceras Manolov 1962 [synonym]

G. †Karsteniceras Royo-Gomez 1945

†Karsteniceras beyrichii Karsten 1858

Invalid names: Karsteniceras ibericum Vasicek and Wiedemann 1994 [synonym]

†Karsteniceras hoheneggeri Vasicek and Wiedmann 1994

†Karsteniceras multicostatum Kakabadze and Hoedemaeker 1997

†Karsteniceras ternbergense Lukeneder 2002

G. †Leptoceratoides Thieuloy 1966

†Leptoceratoides pumilus Uhlig 1883

†Leptoceratoides subtilis Uhlig 1883

G. †Manoloviceras Vasícek and Wiedmann 1994

†Manoloviceras saharievae Manolov 1962

G. †Monsalveiceras Kakabadze and Hoedemaeker 1997

†Monsalveiceras monsalvense Kakabadze and Hoedemaeker 1997

G. †Orbignyiceras Royo and Gomez 1945

†Orbignyiceras veleziensis Royo and Gomez 1945

Invalid names: Veleziceras Wright 1957 [synonym]

G. †Sabaudiella Vasicek and Hoedemaeker 2003

†Sabaudiella sabaudianus Pictet and de Loriol 1858

G. †Vasicekites Vermeulen 1998

G. †Veveysiceras Vasícek and Wiedmann 1994

†Veveysiceras escheri Ooster 1860

Fm. †Macroscaphitidae Hyatt 1900

G. †Cicatrites

G. †Macroscaphites Meek 1876

Subg. †Macroscaphites (Costidiscus) Uhlig 1883

Subg. †Macroscaphites (Macroscaphites) Meek 1876

†Macroscaphites alpinus d'Orbigny 1850

†Macroscaphites grebenianus Tietze 1872

†Macroscaphites perforatus Avram 1984

†Macroscaphites soaresi Da Silva 1962

†Macroscaphites striatisulcatus d'Orbigny 1841

†Macroscaphites tirolensis Uhlig 1887

†Macroscaphites yvani Puzos 1831

G. †Paraspiticeras

†Paraspiticeras bituberculatum Marin et al. 2023

†Paraspiticeras guerinianus d'Orbigny 1850

†Paraspiticeras laeve Fallot and Termier 1923

†Paraspiticeras precrassispinum Roch 1930

Fm. †Ptychoceratidae Meek 1876

G. †Diptychoceras Gabb 1869

†Diptychoceras iwatense Obata and Matsukawa 2018

†Ptychoceras (Diptychoceras) glaber Whiteaves 1884

G. †Inaptychoceras Matsukawa 2021

†Inaptychoceras koikei Matsukawa 2021

G. †Ptychoceras d'Orbigny 1842

†Ptychoceras adpressum Sowerby 1814

†Ptychoceras emericianum d'Orbigny 1842

†Ptychoceras fauncei Haas 1942

†Ptychoceras laeve Matheron 1842

†Ptychoceras laeve Gabb 1869

†Ptychoceras natrice Anderson 1938

†Ptychoceras poni Simionescu 1898

†Ptychoceras puzosianum d'Orbigny 1842

†Ptychoceras quadratus Gabb 1864

Superfm. †Douvilleiceratoidea Parona and Bonarelli 1897

Fm. †Astiericeratidae Breistroffer 1953

G. †Astiericeras

Fm. †Douvilleiceratidae Parona and Bonarelli 1897

Subfm. †Cheloniceratinae Spath 1923

G. †Cheloniceras Hyatt 1903

G. †Epicheloniceras Casey 1954

G. †Procheloniceras Spath 1923

Subfm. †Douvilleiceratinae Parona and Bonarelli 1897

G. †Douvilleiceras Grossouvre 1894

G. †Eodouvilleiceras

G. †Walpenites Casey 1962

Subfm. †Roloboceratinae Casey 1961

G. †Megatyloceras

G. †Roloboceras Casey 1954

Fm. †Trochleiceratidae Breistroffer 1951

G. †Pseudoleymeriella

G. †Trochleiceras

Superfm. †Protancyloceratoidea Breistroffer 1947

Fm. †Aegocrioceratidae Vermeulen 2006

G. †Aegocrioceras Spath 1924

†Aegocrioceras capricornu Roemer 1841

Invalid names: Ammonites subcapricornu d'Orbigny 1850 [replaced]

G. †Annuloceras Murphy et al. 1995

†Annuloceras summersi Murphy et al. 1995

G. †Bejucoceras Cantú Chapa 1976

†Bejucoceras simplecostatum Cantú Chapa 1976

G. †Hemicrioceras Spath 1924

†Hemicrioceras rude von Koenen 1902

G. †Paranclyoceras Spath 1924

†Parancyloceras bidentatum von Koenen 1902

†Parancyloceras domeykanum Bayle and Coquand 1851

G. †Peltocrioceras Spath 1924

†Peltocrioceras deeckei Favre 1908

G. †Simancyloceras Kemper 1973

†Simancyloceras stolleyi Kemper 1973

Fm. †Protancyloceratidae Breistroffer 1947

G. †Cochlocrioceras Spath 1950

†Cochlocrioceras turriculatum Spath 1950

G. †Juddiceras Spath 1924

†Juddiceras curvicosta von Koenen 1902

G. †Leptoceras Uhlig 1883

†Leptoceras brunneri Ooster 1860

†Leptoceras hubachi Royo and Gomez 1945

†Leptoceras studeri Ooster 1860

Invalid names: Protoleptoceras jelevi Nikolov 1966 [synonym]

†Leptoceras ubalaense Haas 1960

Invalid names: Protoleptoceras Nikolov 1966 [synonym]

G. †Parapedioceras Collignon 1962

†Parapedioceras colcanapi Collignon 1962

G. †Protanclyoceras Spath 1924 [ammonoid]

G. †Protancyloceras Spath 1924 [ammonoid]

†Protancyloceras anahuacensis Cantu-Chapa 1962

†Protancyloceras barrancensis Cantu-Chapa 1962

†Protancyloceras catalinense Imlay 1942

†Protancyloceras gracile Oppel 1865

†Protancyloceras guembeli Oppel 1865

†Protancyloceras hondense Imlay 1942

†Protancyloceras kurdistanense Spath 1950

G. †Vinalesites Thieuloy 1966

†Vinalesites rosariensis Imlay 1942

Invalid names: Pseudoanahamulina Judoley and Furrazola-Bermudez 1968 [objective synonym]

Superfm. †Scaphitoidea Gill 1871

Fm. †Scaphitidae Gill 1871

G. †Clioscaphites

†Clioscaphites choteauensis Cobban 1951

†Clioscaphites montanensis Cobban 1951

†Clioscaphites saxitonianus McLearn 1929

†Clioscaphites vermiformis Meek and Hayden 1862

G. †Hoploscaphites Nowak 1911

Subg. †Hoploscaphites (Tovebirkelundites) Cooper 1994

†Hoploscaphites angmartussutensis Birkelund 1965

†Hoploscaphites birkelundae Landman and Waage 1993

†Hoploscaphites brevis Meek 1876

†Hoploscaphites comprimus Owen 1852

†Hoploscaphites constrictus Sowerby 1817

†Hoploscaphites indicus Forbes 1846

†Hoploscaphites landesi Riccardi 1983

†Hoploscaphites melloi Landman and Waage 1993

†Hoploscaphites nicolletii Morton 1842

Invalid names: Ammonites abyssinus Morton 1841 [synonym], Scaphites mandanensis Morton 1842 [synonym]

†Hoploscaphites nicolletti Morton 1842

Invalid names: Ammonites silimani d'Orbigny 1850 [synonym]

†Hoploscaphites nodosus Owen 1852

†Hoploscaphites pumilus Stephenson 1941

†Hoploscaphites quiriquinensis Wilckens 1904

†Hoploscaphites sargklofak Landman et al. 2015

†Hoploscaphites tenuistriatus Kner 1848

†Hoploscaphites vistulensis Blaszkiewicz 1980

†Scaphites (Hoploscaphites) gilli Cobban and Jeletzky 1965

†Scaphites (Hoploscaphites) groenlandicus Donovan 1953

†Scaphites (Hoploscaphites) ikorfatensis Birkelund 1965

†Scaphites (Hoploscaphites) ravni Birkelund 1965

Subfm. †Otoscaphitinae Wright 1953

G. †Worthoceras Adkins 1928

G. †Yezoites

Invalid names: Otoscaphites Wright 1953 [synonym]

Subfm. †Scaphitinae Gill 1871

G. †Acanthoscaphites Nowak 1911

G. †Billcobbanoceras Cooper 1994

G. †Desmoscaphites Reeside 1927

G. †Discoscaphites Meek 1870

G. †Eoscaphites Breistroffer 1947

G. †Haresiceras

G. †Indoscaphites Spath 1953

G. †Jeletzkytes Riccardi 1983

Invalid names: Karlwaageites Cooper 1994 [synonym]

G. †Ponteixites Warren 1934

G. †Pteroscaphites Wright 1953

G. †Rhaeboceras Meek 1876

G. †Scaphites Parkinson 1811

Invalid names: Anascaphites Hyatt 1900 [synonym], Coloradoscaphites [synonym]

G. †Trachyscaphites Cobban and Scott 1964

Superfm. †Turrilitoidea Gill 1871

Fm. †Anisoceratidae Hyatt 1900

G. †Algerites

†Algerites ellipticus Mantell 1822

†Algerites sayni Pervinquière 1910

G. †Allocrioceras Spath 1926

†Allocrioceras angustum Sowerby 1850

Invalid names: Allocrioceras woodsi Spath 1926 [synonym], Hamites geinitzii d'Orbigny 1850 [synonym]

†Allocrioceras billinghursti Klinger 1976

†Allocrioceras burckhardti Kennedy and Cobban 1991

†Allocrioceras cuvieri Schluter 1872

†Allocrioceras dentonense Moreman 1942

†Allocrioceras larvatum Conrad 1855

†Allocrioceras nodiger Roemer 1870

Invalid names: Allocrioceras strangulatum Wright 1979 [synonym]

G. †Anisoceras Pictet 1854

Subg. †Anisoceras (Anisoceras) Pictet 1854

†Anisoceras armatum Sowerby 1817

Invalid names: Anisoceras jacobi Breistroffer 1946 [synonym]

†Anisoceras armatus Sowerby 1817

†Anisoceras arrogans Giebel 1852

Invalid names: Anisoceras campichei Spath 1926 [synonym]

†Anisoceras charlottense Anderson 1958

†Anisoceras draconis Anderson 1958

†Anisoceras exoticum Spath 1939

†Anisoceras haasi Cooper and Kennedy 1979

†Anisoceras oldhamianum Stoliczka 1861

†Anisoceras perarmatum Pictet and Campiche 1861

Invalid names: Anisoceras pseudopunctatum Pictet and Campiche 1861 [synonym], Anisoceras vraconense Renz 1968 [synonym]

†Anisoceras phillipsi Cooper and Kennedy 1979

†Anisoceras plicatilis Sowerby 1819

†Anisoceras pseudoelegans Pictet and Campiche 1861

†Anisoceras raynaudi Boule et al. 1907

†Anisoceras reidi Wright 1979

†Anisoceras saussureanus Pictet 1847

†Anisoceras spathi Wiedmann 1962

†Anisoceras subarcuatum Spath 1939

†Anisoceras subundulatum Yokoyama 1890

G. †Idiohamites Spath 1925

†Idiohamites bispinosus Kennedy and Cobban 1990

†Idiohamites elegantulus Spath 1939

†Idiohamites fremonti Marcou 1858

†Idiohamites pulchellus Kennedy and Cobban 1990

†Idiohamites pygmaeus Cooper and Kennedy 1979

†Idiohamites spiniger Sowerby 1818

†Idiohamites subspiniger Spath 1939

†Idiohamites tuberculatus Sowerby 1818

G. †Metahamites

G. †Ndumuiceras Kennedy and Klinger 2009

†Ndumuiceras variabile Kennedy and Klinger 2009

G. †Phlycticrioceras

†Phlycticrioceras rude Kennedy 1995

†Phlycticrioceras trinodosus Geinitz 1850

Invalid names: Ancyloceras douvillei de Grossouvre 1894 [synonym], Phlycticrioceras oregonense Reeside 1927 [synonym]

G. †Prohelicoceras

G. †Protanisoceras

Subg. †Protanisoceras (Heteroclinus) Casey 1961

Subg. †Protanisoceras (Protanisoceras) Spath 1923

Subg. †Protanisoceras (Torquistylus) Casey 1961

†Protanisoceras acteon d'Orbigny 1850

†Protanisoceras blancheti Pictet and Campiche 1861

G. †Rossalites

G. †Tarrantites Klinger et al. 2010

†Tarrantites adkinsi Scott 1928

Invalid names: Algeritidae Spath 1925 [synonym], Phlycticrioceratidae Spath 1926 [synonym]

Fm. †Baculitidae Gill 1871

G. †Baculites Lamarck 1799

†Baculites ambatryensis Collignon 1971

†Baculites anceps Lamarck 1822

†Baculites annulatus Conrad 1855

†Baculites aquilaensis Reeside 1927

†Baculites asper Morton 1830

†Baculites asperiformis Meek 1876

†Baculites baculus Meek and Hayden 1861

†Baculites bailyi Woods 1906

†Baculites boulei Collignon 1931

†Baculites brevicosta Schluter 1876

†Baculites capensis Woods 1906

Invalid names: Baculites buttensis Anderson 1958 [synonym]

†Baculites chicoensis Trask 1856

Baculites claviformis Stephenson 1941

†Baculites clinolobatus Elias 1933

†Baculites cobbani Khakimov 1976

†Baculites codyensis Reeside 1927

Invalid names: Baculites albertensis Warren 1930 [synonym], Baculites borealis Warren 1930 [synonym], Baculites trifidolobatus Warren 1930 [synonym]

†Baculites compressus Say 1920

†Baculites crickmayi Williams 1930

†Baculites cuneatus Cobban 1962

†Baculites eliasi Cobban 1958

†Baculites fairbanksi Anderson 1902

†Baculites fuchsi Redtenbacher 1873

†Baculites gilberti Cobban 1962

†Baculites grandis Hall and Meek 1855

†Baculites gregoryensis Cobban 1951

†Baculites haresi Reeside 1927

†Baculites huenickeni Stinnesbeck 1986

†Baculites incurvatus Dujardin 1837

Invalid names: Baculites tuberculata d'Orbigny 1842 [synonym]

†Baculites inornatus Meek 1862

†Baculites jenseni Cobban 1962

†Baculites kirki Matsumoto 1959

†Baculites klingeri Cooper 2003

†Baculites knorrianus Desmarest 1817

†Baculites lechitides Brunnschweiler 1966

†Baculites leopoliensis Nowak 1908

†Baculites lomaensis Anderson 1958

†Baculites mariasensis Cobban 1951

†Baculites mclearni Russell and Landes 1937

†Baculites meeki Elias 1933

†Baculites minerensis Russell and Landes 1937

†Baculites nugssuaqensis Birkelund 1965

†Baculites obtusus Meek 1876

†Baculites occidentalis Meek 1861

†Baculites ovatus Say 1820

†Baculites perplexus Cobban 1962

†Baculites pseudovatus Elias 1933

†Baculites rectus Marshall 1926

†Baculites reduncus Cobban 1977

†Baculites reesidei Elias 1933

†Baculites rex Anderson 1958

†Baculites rugosus Cobban 1962

†Baculites schenki Matsumoto 1959

†Baculites scotti Cobban 1958

†Baculites subanceps Haughton 1925

†Baculites subcircularis Anderson 1958

†Baculites tanakai Matsumoto and Obata 1963

†Baculites taylorensis Adkins 1929

†Baculites texanus Kennedy and Cobban 1999

†Baculites thomi Reeside 1927

†Baculites undatus Stephenson 1941

†Baculites undulatus d'Orbigny 1850

†Baculites vaalsensis Kennedy and Jagt 1995

†Baculites valognensis Böhm 1891

†Baculites vertebralis Lamarck 1801

†Baculites yokoyamai Tokunga and Shimizu 1926

Invalid names: Baculites besairiei Collignon 1931 [synonym]

Invalid names: Euhomaloceras Spath 1926 [synonym]

G. †Boehmoceras Riedel 1931

†Boehmoceras arculus Morton 1834

Invalid names: Boehmoceras loescheri Riedel 1931 [synonym]

†Boehmoceras krekeleri Wegner 1905

G. †Eubaculites Spath 1926

†Eubaculites argentinicus Weaver 1927

†Eubaculites carinatus Morton 1834

Invalid names: Baculites lyelli d'Orbigny 1847 [synonym], Baculites spillmani Conrad 1858 [synonym], Baculites tippaensis Conrad 1858 [synonym], Eubaculites kossmati Brunnschweiler 1966 [synonym], Eubaculites multicostatus Brunnschweiler 1966 [synonym]

†Eubaculites compressum Brunnschweiler 1966

†Eubaculites labyrinthicus Morton 1834

†Eubaculites latecarinatus Brunnschweiler 1966

Invalid names: Giralites quadrisulcatus Brunnschweiler 1966 [synonym]

†Eubaculites ootacodensis Stoliczka 1866

†Eubaculites simplex Kossmat 1895

Invalid names: Cardabites scimitar Brunnschweiler 1966 [synonym], Cardabites tabulatus Brunnschweiler 1966 [synonym], Eubaculiceras compressum Brunnschweiler 1966 [synonym], Eubaculiceras fastigiatum Brunnschweiler 1966 [synonym]

†Eubaculites vagina Forbes 1846

Invalid names: Cardabites Brunnschweiler 1966 [synonym], Eubaculiceras Brunnschweiler 1966 [synonym], Giralites Brunnschweiler 1966 [synonym]

G. †Fresvillia Kennedy 1986

†Fresvillia constricta Kennedy 1986

†Fresvillia teres Forbes 1846

G. †Lechites Nowak 1908

Subg. †Lechites (Lechites) Nowak 1908

G. †Pseudobaculites Cobban 1952

†Pseudobaculites nodosus Cobban 1952

G. †Sciponoceras Hyatt 1894

†Sciponoceras antanimangaensis Collignon 1964

†Sciponoceras baculoides Mantell 1822

Invalid names: Cyrtochilus major Anderson 1958 [synonym]

†Sciponoceras bohemicum Fritsch 1872

†Sciponoceras cucullatum Collignon 1964

†Sciponoceras gracile Shumard 1860

Invalid names: Cyrtochilus stylus Anderson 1958 [synonym]

†Sciponoceras kossmati Nowak 1908

†Sciponoceras roto Cieslinski 1959

Invalid names: Cyrtochilus Meek 1876 [replaced]

G. †Trachybaculites

†Trachybaculites columna Morton 1834

†Trachybaculites vicentei Stinnesbeck 1986

G. †Tuberosciponoceras Medina and Riccardi 2007

Invalid names: Baculitinae Gill 1871 [empty], Eubaculitinae Brunnschweiler 1966 [empty]

Fm. †Diplomoceratidae Spath 1926

G. †Astreptoceras Henderson 1970

†Astreptoceras zelandicum Marshall 1926

Subfm. †Diplomoceratinae Spath 1926

G. †Chesapeakiceras Kennedy and Cobban 1998

Invalid names: Chesapeakella Kennedy and Cobban 1993 [replaced]

G. †Diplomoceras Hyatt 1900

G. †Glyptoxoceras Spath 1925

Invalid names: Neohamites Brunnschweiler 1966 [synonym]

G. †Lewyites

G. †Neancyloceras Spath 1926

G. †Neocrioceras

G. †Neoglyptoxoceras Collignon 1969

Invalid names: Epiglyptoxoceras [synonym]

G. †Scalarites Wright and Matsumoto 1954

G. †Eudiplomoceras Brunnschweiler 1966

G. †Masonites Henderson 1970

†Masonites biannulatus Henderson 1970

†Masonites spriggi Glaessner and Wade 1966

Subfm. †Polyptychoceratinae Matsumoto 1938

G. †Oxybeloceras Hyatt 1900

G. †Phylloptychoceras Spath 1953

G. †Polyptychoceras Yabe 1927

G. †Pseudoxybeloceras Wright and Matsumoto 1954

G. †Solenoceras Conrad 1860

G. †Spiroxybeloceras Kennedy and Cobban 1999

G. †Ryugasella

†Ryugasella ryugasensis Wright and Matsumoto 1954

G. †Schlueterella Wiedmann 1962

†Neocrioceras (Schlueterella) compressum Klinger 1976

†Neocrioceras (Schlueterella) maderi Immel et al. 1982

†Neocrioceras (Schlueterella) multinodosum Schluter 1872

†Pseudoxybeloceras (Schlueterella) pseudoarmatum Schluter 1872

†Schlueterella kawadai Matsumoto and Miyauchi 1984

Invalid names: Christophoceras [synonym]

Fm. †Hamitidae Gill 1871

G. †Hamitella Breistroffer 1947

G. †Hamites Parkinson 1811

Subg. †Hamites (Hamites) Parkinson 1811

Subg. †Hamites (Psilohamites)

†Hamites alternatus Sowerby 1814

†Hamites angolensis Choffat 1888

†Hamites attenuatus Sowerby 1814

†Hamites attenuatus d'Orbigny 1842

†Hamites beanii Roemer 1841

Invalid names: Hamulina roemeri d'Orbigny 1850 [replaced]

†Hamites carrancoi Böse 1923

†Hamites cimarronensis Kauffman and Powell 1977

†Hamites csaszari Szives and Monks 2002

†Hamites cylindraceus de France 1851

†Hamites duplicatus Pictet and Campiche 1861

†Hamites elegans d'Orbigny 1841

†Hamites fueloepi Szives and Monks 2002

†Hamites gibbosus Sowerby 1814

†Hamites imitator Anderson 1938

†Hamites intermedius Sowerby 1814

†Hamites kalvariensis Szives and Monks 2002

†Hamites klamathensis Hanna 1924

Invalid names: Hamites armatus Anderson 1902 [replaced]

†Hamites maximus Sowerby 1814

†Hamites mortoni Hall and Meek 1855

†Hamites nokonis Adkins and Winton 1919

†Hamites praegibbosus Spath 1941

†Hamites quadrinodosus Jimbo 1894

†Hamites rotundatus Conrad 1855

†Hamites rotundus Sowerby 1814

†Hamites salebrosus Cobban et al. 1989

†Hamites simplex d'Orbigny 1842

†Hamites siskiyouensis Hanna 1924

†Hamites subcompressum Forbes 1846

†Hamites subvirgulatus Spath 1941

†Hamites tenuis Sowerby 1814

†Hamites torquatus Morton 1834

†Hamites tropicalis Meunier 1888

†Hamites undulatus Forbes 1846

†Hamites venetzianus Pictet 1847

G. †Helicohamites Monks 2002

†Helicohamites ibex Spath 1941

G. †Hemiptychoceras Spath 1925

†Hemiptychoceras gaultinum Pictet 1847

†Hemiptychoceras tropicum Kossmat 1897

G. †Lytohamites Casey 1961

†Lytohamites similis Casey 1961

G. †Metaptychoceras

†Metaptychoceras smithi Woods 1896

G. †Pictetia Uhlig 1883

†Pictetia astieriana d'Orbigny 1841

†Pictetia depressa Pictet and Campiche 1861

G. †Planohamites Monks 2002

†Planohamites compressus Sowerby 1814

G. †Puebloites

†Puebloites greenhornensis Cobban and Scott 1973

G. †Scaphamites

G. †Stomohamites

†Stomohamites virgulatus Brongniart 1822

Invalid names: Stomohamites brongniarti Breistroffer 1947 [synonym]

G. †Torneutoceras Hyatt 1900

Fm. †Nostoceratidae Hyatt 1894

G. †Amapondella Kennedy and Klinger 1997

†Amapondella amapondense van Hoepen 1921

Invalid names: Anaklinoceras stephensoni Collignon 1969 [synonym]

G. †Anaklinoceras Stephenson 1941

†Anaklinoceras minutum Kennedy et al. 2000

†Anaklinoceras reflexum Stephenson 1941

†Anaklinoceras tenuicostatum Kennedy and Cobban 1994

G. †Ankinatsytes Collignon 1965

†Ankinatsytes venezolanus Renz 1982

†Ankinatsytes yabei Collignon 1965

G. †Axonoceras Stephenson 1941

†Axonoceras angolanum Haas 1943

G. †Bostrychoceras Hyatt 1900

†Bostrychoceras brewerii Gabb 1864

†Bostrychoceras californicum Anderson 1958

†Bostrychoceras columbianum Anderson 1958

†Bostrychoceras declive Gabb 1864

†Bostrychoceras elongatum Whiteaves 1903

†Bostrychoceras indicum Stolickza 1866

†Bostrychoceras occidentale Anderson 1958

†Bostrychoceras otsukai Yabe 1904

†Bostrychoceras polyplocum Roemer 1841

Invalid names: Bostrychoceras secoense Young 1963 [synonym]

†Bostrychoceras puertoense Anderson 1958

†Bostrychoceras sanctaeanae Anderson 1958

†Bostrychoceras serpiens Anderson 1958

†Bostrychoceras trabucoense Anderson 1958

†Bostrychoceras vermiculare Gabb 1864

Invalid names: Bostrychoceras Hyatt 1900 [objective synonym]

G. †Cirroceras Conrad 1866

Subg. †Cirroceras (Cirroceras) Conrad 1866

†Cirroceras conradi Morton 1841

Invalid names: Helicoceras navarroensis Shumard 1861 [synonym]

G. †Didymoceras Hyatt 1900

†Didymoceras angulatum Meek and Hayden 1860

†Didymoceras aurarium Kennedy et al. 2000

†Didymoceras awajiense Yabe 1901

†Didymoceras binodosum Kennedy and Cobban 1993

†Didymoceras californicum Anderson 1958

†Didymoceras cheyenense Meek and Hayden 1856

†Didymoceras cheyennense Meek and Hayden 1856

†Didymoceras cochleatus Meek and Hayden 1858

†Didymoceras donezianum Michailov 1951

†Didymoceras draconis Stephenson 1941

†Didymoceras hidakense Shigeta 2016

†Didymoceras hornbyense Whiteaves 1876

†Didymoceras nebrascense Meek and Hayden 1856

Invalid names: Emperoceras beecheri Hyatt 1894 [synonym], Emperoceras simplicostatum Whitfield 1902 [synonym]

†Didymoceras newtoni Whitfield 1877

†Didymoceras nicolletii Hall and Meek 1855

†Didymoceras platycostatum Kennedy and Cobban 1993

†Didymoceras stevensoni Whitfield 1877

†Didymoceras subtuberculatum Howarth 1965

†Didymoceras tenuicostatus Meek and Hayden 1858

†Didymoceras tortus Meek and Hayden 1858

†Didymoceras tricostatus Whitfield 1897

†Didymoceras umbilicatus Meek and Hayden 1858

†Didymoceras uncus Meek and Hayden 1858

†Didymoceras vancouverensis Gabb 1864

Invalid names: Didymoceras fresnoense Anderson 1958 [synonym]

†Didymoceras vespertinus Conrad 1874

†Didymoceras whiteavesi Anderson 1958

†Nostoceras (Didymoceras) attenuatum Brunnschweiler 1966

†Nostoceras (Didymoceras) densecostatum Wiedmann 1962

†Nostoceras (Didymoceras) obtusum Howarth 1965

†Nostoceras (Didymoceras) postremum Blaszkiewicz 1980

†Nostoceras (Didymoceras) varium Blaszkiewicz 1980

Invalid names: Didymoceratoides Kennedy and Cobban 1993 [synonym], Emperoceras Hyatt 1894 [synonym]

G. †Eubostrychoceras Matsumoto 1967

†Didymoceras (Eubostrychoceras) japonicum Yabe 1904

Subg. †Eubostrychoceras (Eubostrychoceras) Matsumoto 1967

†Eubostrychoceras acuticostatum d'Orbigny 1842

†Eubostrychoceras indopacificum Matsumoto 1967

†Eubostrychoceras matsumotoi Cobban 1987

†Eubostrychoceras valdelaxum Aiba et al. 2017

†Nostoceras (Eubostrychoceras) saxonicum Schluter 1875

Invalid names: Heteroceras woodsi Kitchin 1922 [synonym]

G. †Exicrioceras Anderson 1958

†Exicrioceras diabloense Anderson 1958

†Exicrioceras ortigalitense Anderson 1958

G. †Exiteloceras Hyatt 1894

†Exiteloceras bennisoni Anderson 1958

†Exiteloceras desertense Anderson 1958

†Exiteloceras etequense Lewy 1969

†Exiteloceras jenneyi Whitfield 1877

†Exiteloceras ortigalitoense Anderson 1958

G. †Helicoceras d'Orbigny 1840

†Helicoceras annulatum d'Orbigny 1840

†Helicoceras hystriculum White 1887

G. †Hyphantoceras Hyatt 1900

Subg. †Hyphantoceras (Hyphantoceras) Hyatt 1900

Subg. †Hyphantoceras (Madagascarites) Collignon 1966

†Hyphantoceras ceratopse Anderson 1902

†Hyphantoceras irregulare Anderson 1958

†Hyphantoceras orientale Yabe 1904

†Hyphantoceras oshimai Yabe 1904

Invalid names: Didymoceras orestimbense Anderson 1958 [synonym]

†Hyphantoceras plicatum d'Orbigny 1842

†Hyphantoceras venustum Yabe 1904

Invalid names: Bostrychoceras buttense Anderson 1958 [synonym], Hyphantoceras laqueum Anderson 1958 [synonym]

Invalid names: Euhyphantoceras Shimizu 1935 [synonym]

G. †Jouaniceras Basse 1939

Subg. †Jouaniceras (Ainoceras)

†Jouaniceras sicardi de Grossouvre 1894

G. †Morewites Shigeta 2014

†Morewites sakakibarai Shigeta 2014

G. †Nipponites Yabe 1904

†Nipponites mirabilis Yabe 1904

G. †Nostoceras Hyatt 1894

Subg. †Nostoceras (Euskadiceras) Küchler 2000

Subg. †Nostoceras (Nostoceras) Hyatt 1894

†Nostoceras alternatus Tuomey 1854

†Nostoceras arkanasanum Kennedy and Cobban 1993

†Nostoceras colubriformis Stephenson 1941

†Nostoceras danei Kennedy and Cobban 1993

†Nostoceras excelsus Anderson 1958

†Nostoceras hetonaiense Matsumoto 1977

†Nostoceras hyatti Stephenson 1941

†Nostoceras kernense Anderson 1958

†Nostoceras larimerense Kennedy et al. 2000

†Nostoceras mariatheresianum Haas 1943

†Nostoceras mendryki Cobban 1974

†Nostoceras mexicanum Anderson 1958

†Nostoceras monotuberculatum Kennedy and Cobban 1993

†Nostoceras pauper Whitfield 1892

†Nostoceras pleurocostatum Kennedy and Cobban 1993

†Nostoceras pulcher Kennedy and Cobban 1993

†Nostoceras rotundum Howarth 1965

Invalid names: Didymoceras angolaense Haughton 1924 [replaced]

†Nostoceras saundersorum Stephenson 1941

†Nostoceras splendidum Shumard 1861

†Nostoceras sternbergi Anderson and Hanna 1935

Invalid names: Nostoceras (Euskadiceras) Küchler 2000 [valid], Nostoceras (Nostoceras) Hyatt 1894 [valid], Nostoceras alternatus Tuomey 1854 [valid], Nostoceras arkanasanum Kennedy and Cobban 1993 [valid], Nostoceras colubriformis Stephenson 1941 [valid], Nostoceras danei Kennedy and Cobban 1993 [valid], Nostoceras excelsus Anderson 1958 [valid], Nostoceras hetonaiense Matsumoto 1977 [valid], Nostoceras hyatti Stephenson 1941 [valid], Nostoceras kernense Anderson 1958 [valid], Nostoceras larimerense Kennedy et al. 2000 [valid], Nostoceras mariatheresianum Haas 1943 [valid], Nostoceras mendryki Cobban 1974 [valid], Nostoceras mexicanum Anderson 1958 [valid], Nostoceras monotuberculatum Kennedy and Cobban 1993 [valid], Nostoceras pauper Whitfield 1892 [valid], Nostoceras pleurocostatum Kennedy and Cobban 1993 [valid], Nostoceras pulcher Kennedy and Cobban 1993 [valid], Nostoceras rotundum Howarth 1965 [valid], Nostoceras saundersorum Stephenson 1941 [valid], Nostoceras splendidum Shumard 1861 [valid], Nostoceras sternbergi Anderson and Hanna 1935 [valid]

G. †Nostoceras Hyatt 1894

Subg. †Nostoceras (Euskadiceras) Küchler 2000

Subg. †Nostoceras (Nostoceras) Hyatt 1894

†Nostoceras alternatus Tuomey 1854

†Nostoceras arkanasanum Kennedy and Cobban 1993

†Nostoceras colubriformis Stephenson 1941

†Nostoceras danei Kennedy and Cobban 1993

†Nostoceras excelsus Anderson 1958

†Nostoceras hetonaiense Matsumoto 1977

†Nostoceras hyatti Stephenson 1941

†Nostoceras kernense Anderson 1958

†Nostoceras larimerense Kennedy et al. 2000

†Nostoceras mariatheresianum Haas 1943

†Nostoceras mendryki Cobban 1974

†Nostoceras mexicanum Anderson 1958

†Nostoceras monotuberculatum Kennedy and Cobban 1993

†Nostoceras pauper Whitfield 1892

†Nostoceras pleurocostatum Kennedy and Cobban 1993

†Nostoceras pulcher Kennedy and Cobban 1993

†Nostoceras rotundum Howarth 1965

Invalid names: Didymoceras angolaense Haughton 1924 [replaced]

†Nostoceras saundersorum Stephenson 1941

†Nostoceras splendidum Shumard 1861

†Nostoceras sternbergi Anderson and Hanna 1935

G. †Pravitoceras

†Pravitoceras sigmoidale Yabe 1902

G. †Tridenticeras Wiedmann 1962

†Tridenticeras varians Schluter 1872

G. †Turrilitoides Spath 1923

†Turrilitoides hugardianus d'Orbigny 1842

Invalid names: Turrilites densicostatus Passendorfer 1930 [synonym], Turrilites intermedius Pictet and Campiche 1861 [synonym]

Invalid names: Bostrychoceratinae Spath 1953 [invalid subgroup], Emperoceratinae Spath 1953 [invalid subgroup], Hyphantoceratinae Spath 1953 [invalid subgroup], Jouaniceratidae Wright 1952 [synonym], Neoturrilites Shimizu 1935 [nomen nudum]

G. †Plesiohamites

Fm. †Turrilitidae Gill 1871

G. †Carthaginites Pervinquière 1907

†Carthaginites aquilonius Kennedy and Cobban 1990

G. †Hypoturrilites Dubourdieu 1953

†Hypoturrilites betaitraensis Collignon 1964

†Hypoturrilites cricki Klinger and Kennedy 1978

†Hypoturrilites gravesianus d'Orbigny 1842

†Hypoturrilites intersignus Atabekyan 1985

†Hypoturrilites laevigatus Coquand 1862

†Hypoturrilites mantelli Sharpe 1857

†Hypoturrilites obliquus Sowerby 1814

†Hypoturrilites primus Atabekyan 1985

†Hypoturrilites taxyfabreae Collignon 1964

†Hypoturrilites tenouklensis Pervinquiere 1910

†Hypoturrilites tuberculatoplicatus Seguenza 1882

†Hypoturrilites tuberculatus Bosc 1801

†Hypoturrilites wiedmanni Collignon 1964

†Hypoturrilites youngi Clark 1965

G. †Mariella Nowak 1916

Subg. †Mariella (Mariella) Nowak 1916

Subg. †Mariella (Plesioturrilites)

Invalid names: Mariella (Wintonia) Adkins 1928 [replaced]

†Mariella bicarinata Kner 1852

†Mariella cenomanensis Schluter 1876

Invalid names: Turrilites polytuberculatus Terekhova and Mikhailova 1977 [synonym]

†Mariella crassituberculata Spath 1937

†Mariella dorsetensis Spath 1926

†Mariella lewesiensis Spath 1926

†Mariella wysogorskii Lasswitz 1904

G. †Mesoturrilites Breistroffer 1953

†Mesoturrilites corrugatus Wright and Kennedy 1996

†Turrilites (Mesoturrilites) boerssumensis Schluter 1876

†Turrilites (Mesoturrilites) colcanapi Boule et al. 1907

G. †Neostlingoceras Klinger and Kennedy 1978

†Neostlingoceras carcitanensis Matheron 1842

Invalid names: Turrilites alpinus d'Orbigny 1850 [synonym]

†Neostlingoceras kottlowski Cobban and Hook 1981

†Neostlingoceras morrisi Sharpe 1857

Invalid names: Hypoturrilites dubourdieui Collignon 1964 [synonym], Hypoturrilites oberlini Dubourdieu 1953 [synonym]

†Neostlingoceras morrisiformis Collignon 1964

G. †Notostreptites Henderson 1990

†Notostreptites exilis Henderson 1990

Subfm. †Ostlingoceratinae Cooper 1999

G. †Ostlingoceras Hyatt 1900

G. †Proturrilitoides

G. †Pseudhelicoceras Spath 1922

†Pseudhelicoceras carlottense Whiteaves 1884

†Pseudhelicoceras gracile Henderson 1990

†Pseudhelicoceras perelegans Spath 1937

†Pseudhelicoceras petersoni Anderson 1958

†Pseudhelicoceras quadrituberculatum Spath 1937

†Pseudhelicoceras robertianum d'Orbigny 1842

Invalid names: Hemiturrilites Breistroffer 1953 [synonym], Parahelicoceras Breistroffer 1953 [synonym], Subhelicoceras Breistroffer 1953 [synonym]

G. †Pseudohelicoceras Spath 1922

G. †Turrilites Lamarck 1801

Subg. †Turrilites (Carthaginites) Pervinquière 1907

Subg. †Turrilites (Euturrilites) Breistroffer 1953

Subg. †Turrilites (Turrilites) Lamarck 1801

†Turrilites acutus Passy 1832

Invalid names: Turrilites (Turrilites) acutus americanus Cobban and Scott 1972 [synonym], Turrilites (Turrilites) dilleri Murphy and Rodda 1960 [synonym], Turrilites dearingi Stephenson 1952 [synonym], Turrilites tevesthensis Coquand 1862 [synonym], Turrilites wiestii Sharpe 1857 [synonym]

†Turrilites costatus Lamarck 1801

Invalid names: Turrilites pachecoensis Anderson 1958 [synonym], Turrilites triplicatus Sowerby 1850 [synonym]

†Turrilites giganteus de Haan 1825

†Turrilites multipunctatus Böse 1923

†Turrilites oregonensis Gabb 1869

†Turrilites scheuchzerianus Bosc 1801

Invalid names: Turrilites desnoyersi d'Orbigny 1842 [synonym], Turrilites undulata Sowerby 1814 [synonym]

†Turrilites tuberculata Sowerby 1814

Subfm. †Turrilitinae Meek 1876

G. †Paraturrilites Breistroffer 1947

Invalid names: Diplomocerataceae Spath 1926 [synonym]

Invalid names: Parahoplitoidea Spath 1922 [empty]

Subor. †Haploceratina

Superfm. †Haploceratoidea Zittel 1884

Fm. †Binneyitidae Reeside 1927

G. †Binneyites Reese 1927

G. †Borissjakoceras Arkhangel'skii 1916

†Borissiakoceras ashurkoffae Cobban and Gryc 1961

†Borissiakoceras inconstans Cobban and Gryc 1961

†Borissiakoceras orbiculatum Stephenson 1955

†Borissiakoceras reymenti Brunnschweiler 1959

†Borissjakoceras rosenkrantzi Birkelund 1965

G. †Johnsonites Cobban 1961

†Johnsonites sulcatus Cobban 1961

Fm. †Haploceratidae Zittel 1884

G. †Haploceras Zittel 1870

Subg. †Haploceras (Haploceras) Zittel 1870

Subg. †Haploceras (Hypoglochiceras) Breistroffer 1947

Subg. †Haploceras (Volanites) Enay and Cecca 1986

†Haploceras deplanatum Waagen 1875

†Haploceras elimatum Oppel 1870

†Haploceras pachecoense Anderson 1945

†Haploceras propinquum Waagen 1875

†Haploceras staszycii Zejszner 1846

†Haploceras subelimatum Fontannes 1879

†Haploceras transatlanticum Burckhardt 1906

†Haploceras umbilicatum Howarth 1998

†Haploceras veracruzanum Cantu Chapa 1976

G. †Hildoglochiceras

G. †Hypolissoceras Breistroffer 1947

†Hypolissoceras carachtheis Zeuschner 1846

†Hypolissoceras leiosoma Oppel 1865

G. †Neolissoceras Spath 1923

Subg. †Neolissoceras (Carinites) Atrops and Reboulet 1995

†Neolissoceras carachteis Zejszner 1833

†Neolissoceras cornutus Atrops and Reboulet 1995

†Neolissoceras desmoceratoides Wiedmann 1966

†Neolissoceras grasianum d'Orbigny 1841

†Neolissoceras salinarium Uhlig 1887

G. †Protoecotraustes

G. †Pseudolissoceras Spath 1925

†Pseudolissoceras bavaricum Barthel 1962

†Pseudolissoceras concorsi Donze and Enay 1961

†Pseudolissoceras zitteli Burckhardt 1903

Invalid names: Neumayria subrasilis Burckhardt 1906 [synonym]

G. †Toxamblyites

Invalid names: Haploceratinae Zittel 1884 [empty], Lissoceratinae Douville 1885 [empty]

Fm. †Hebetoxyitidae Buckman 1924

G. †Hebetoxyites Buckman 1924

†Hebetoxyites hebes Buckman 1924

†Hebetoxyites incongruens Buckman 1924

†Hebetoxyites mouterdei Fernández-López 1985

Fm. †Lissoceratidae Douville 1885

G. †Lissoceras Bayle 1879

Subg. †Lissoceras (Lissoceras) Bayle 1879

†Lissoceras erato d'Orbigny 1850

†Lissoceras ferrifex Zittel 1868

†Lissoceras haugi Sturani 1966

†Lissoceras jullieni Douvillé 1914

†Lissoceras magnum Galacz 1980

†Lissoceras monachum Gemmellaro 1877

†Lissoceras oolithicum d'Orbigny 1846

Invalid names: Lissoceras bakeri Imlay 1962 [synonym]

†Lissoceras psilodiscus Schloenbach 1865

†Lissoceras rollieri de Loriol 1898

†Lissoceras solitarium Zaton and Marynowski 2006

†Lissoceras ventriplanum Wendt 1963

Invalid names: Lissoceratoides [synonym], Microlissoceras Sturani 1971 [synonym]

Invalid names: Lissoceratinae Douvillé 1885 [empty]

Fm. †Oppeliidae Bonarelli 1894

Subfm. †Aconeceratinae Spath 1923

G. †Aconeceras Hyatt 1903

G. †Eofalciferella Brunnschweiler 1959

G. †Falciferella

G. †Koloceras Riccardi et al. 1987

G. †Protaconeceras

G. †Sanmartinoceras Bonarelli 1921

G. †Sinzovia

G. †Theganoceras Whitehouse 1926

Subfm. †Bonarelliinae Spath 1928

G. †Bonarellia Cossmann 1898

Subfm. †Bradfordiinae Donovan et al. 1981

G. †Bradfordia Buckman 1910

G. †Praeoppelia Westermann 1969

G. †Bukowskites Jeannet 1951

†Bukowskites distortus Bukowski 1887

G. †Cieneguiticeras Parent et al. 2010

†Cieneguiticeras perlaevis Steuer 1897

Subfm. †Distichoceratinae Hyatt 1900

G. †Concavites Jeannet 1951

G. †Distichoceras

G. †Horioceras

G. †Petitclercia

G. †Sindeites

G. †Styracoceras

G. †Subbonarellia

G. †Glochiceras Hyatt 1900

Subg. †Glochiceras (Coryceras) Ziegler 1958

Subg. †Glochiceras (Glochiceras) Hyatt 1900

Subg. †Glochiceras (Lingulaticeras) Ziegler 1958

Subg. †Glochiceras (Paralingulaticeras) Ziegler 1958

†Glochiceras augustiumbilicatum Imlay 1939

†Glochiceras diaboli Imlay 1939

†Glochiceras fialar Burckhardt 1906

†Glochiceras subclausum Oppel 1863

Subfm. †Glochiceratinae Hyatt 1990

G. †Neocampylites Callomon 1973

Invalid names: Campylites Rollier 1922 [replaced]

G. †Neoprionoceras Spath 1928

G. †Paraglochiceras Collignon 1959

G. †Salinites Cantu-Chapa 1968

G. †Trimarginites Rollier 1909

Invalid names: Glochiceratinae Hyatt 1900 [empty]

Subfm. †Hecticoceratinae Spath 1925

G. †Ankobites Collignon 1958

G. †Brightia

G. †Eochetoceras

G. †Hecticoceras Bonarelli 1893

Invalid names: Hectioceras [objective synonym]

G. †Hecticoceratoides

G. †Kheraites

G. †Lunuloceras

G. †Orbignyceras Gerard and Contaut 1936

G. †Pseudobrightia

G. †Pseudocampylites Jeannet 1951

G. †Putealiceras

G. †Rossiensiceras Gerard and Contaut 1936

Subfm. †Mazapilitinae Spath 1928

G. †Eurynoticeras

G. †Mazapilites

G. †Submazapilites Cantu-Chapa 1962

G. †Naramoceras McNamara 1985

†Naramoceras breadeni Brunnschweiler 1959

Subfm. †Ochetoceratinae Spath 1928

G. †Cubaochetoceras

G. †Cymaceras

G. †Fehlmannites Jeannet 1951

G. †Ochetoceras

Invalid names: Canaliculites Jeannet 1951 [synonym]

G. †Oxydiscites

G. †Oppelia

Subg. †Oppelia (Oecotraustes) Waagen 1869

Subg. †Oppelia (Oppelia) Waagen 1869

Subg. †Oppelia (Trimarginites) Rollier 1909

†Oppelia audax Oppel 1863

†Oppelia glabella Leckenby 1859

†Oppelia haeberleini Oppel 1863

†Oppelia kachhensis Waagen 1875

†Oppelia karreri Neumayr 1873

†Oppelia mamertensis Waagen 1869

†Oppelia nurrhaensis Waagen 1871

†Oppelia orientalis d'Orbigny 1850

†Oppelia plana Waagen 1875

†Oppelia subcostata Buckman 1881

Invalid names: Flexoxyites Buckman 1924 [synonym]

Subfm. †Oppeliinae Douville 1890

G. †Alcidia Rollier 1913

Invalid names: Paralcidia Spath 1928 [replaced]

G. †Kleistoxyites Buckman 1922

G. †Magharina Arkell 1952

G. †Oecotraustes Waagen 1869

G. †Stegoxyites

G. †Strungia Arkell 1952

G. †Trimarginia Arkell 1952

G. †Oxycerites Rollier 1909

†Oppelia (Oxycerites) chinitnana Imlay 1953

Subg. †Oxycerites (Alcidellus)

Invalid names: Eohecticoceras [synonym], Eoheteroceras Vasícek and Wiedmann 1994 [synonym]

Subg. †Oxycerites (Oxycerites) Rollier 1909

†Oxycerites aspidoides Oppel 1857

†Oxycerites besairiei Collignon 1958

†Oxycerites hersilia d'Orbigny 1850

†Oxycerites orbis Giebel 1852

Invalid names: Oxycerites oppeli Elmi 1967 [synonym]

†Oxycerites oxus Buckman 1926

†Oxycerites rodoensis Collignon 1958

†Oxycerites subcostarius Oppel 1862

Invalid names: Limoxyites Westermann 1958 [synonym], Mesoxyites Westermann 1958 [synonym], Otoxyites Westermann 1958 [synonym], Pleuroxyites Buckman 1924 [synonym]

G. †Paroecotraustes Spath 1928

†Oxycerites (Paroecotraustes) densecostatus Lissajous 1923

†Oxycerites (Paroecotraustes) formosus Arkell 1951

†Oxycerites (Paroecotraustes) maubeugei Stephanov 1966

Invalid names: Oecotraustes (Paroecotraustes) prevalensis Stephanov 1966 [synonym]

†Oxycerites (Paroecotraustes) pygmaeus Arkell 1951

†Oxycerites (Paroecotraustes) subfuscus Waagen 1869

†Oxycerites (Paroecotraustes) subtenuis Mitta 1993

†Oxycerites (Paroecotraustes) waageni Stephanov 1961

†Paroecotraustes minor Galácz 2019

†Paroecotraustes serrigerus Waagen 1869

†Paroecotraustes splendens Arkell 1951

G. †Paroxycerites Breistrofer 1947

†Oxycerites (Paroxycerites) oxynotus Leanza 1946

†Paroxycerites subdiscus D'Orbigny 1846

Invalid names: Streblites (Pseudoppelia) [synonym]

G. †Pasottia Parent et al. 2008

†Pasottia andina Parent et al. 2008

G. †Prohecticoceras

†Prohecticoceras angulicostatum Loczy 1915

†Prohecticoceras bisculptum Oppel 1862

†Prohecticoceras blanazense Elmi 1967

†Prohecticoceras dominjoni Elmi 1967

†Prohecticoceras haugi Popovici-Hatzeg 1905

†Prohecticoceras mondegoense Elmi 1967

†Prohecticoceras ochraceum Elmi 1967

†Prohecticoceras retrocostatum de Grossouvre 1888

Subfm. †Streblitinae Spath 1925

G. †Bornhardticeras Böhm and Riedel 1933

G. †Creniceras

G. †Cyrtosiceras Hyatt 1900

G. †Gymnodiscoceras

G. †Neochetoceras

G. †Oxylenticeras

G. †Semiformiceras

G. †Streblites Hyatt 1900

G. †Substreblites Spath 1925

G. †Uhligites Kilian 1913

Subfm. †Taramelliceratinae Spath 1928

G. †Acanthaecites

G. †Barthelia Oloriz and Schairer 1983

G. †Berniceras Jeannet 1951

G. †Flexispinites

G. †Lorioloceras

G. †Metahaploceras Spath 1925

G. †Parastreblites Donze and Enay 1961

G. †Popanites

G. †Richeiceras Jeannet 1951

G. †Rollieria Jeannet 1951

G. †Scaphitodites

G. †Sphaerodomites

G. †Taramelliceras Del Campana 1904

Invalid names: Neumayria Bayle 1878 [replaced], Taramellia Del Campana 1903 [replaced]

Fm. †Strigoceratidae Buckman 1914

G. †Phlycticeras

†Phlycticeras cristagalli d'Orbigny 1847

†Phlycticeras polygonium Zieten 1831

Invalid names: Amaltheus schaumburgi Waagen 1875 [synonym]

†Phlycticeras pustulatum Reinecke 1818

†Phlycticeras schaumburgi Waagen 1873

†Phlycticeras tenue Galácz 2019

G. †Praestrigites Buckman 1924

†Praestrigites deltotus Buckman 1924

G. †Strigoceras Quenstedt 1886

Subg. †Strigoceras (Cadomoceras)

Subg. †Strigoceras (Liroxyites) Imlay 1961

Subg. †Strigoceras (Strigoceras) Quenstedt 1886

†Strigoceras compressum Buckman 1896

†Strigoceras pseudostrigifer Maubeuge 1955

†Strigoceras truellei d'Orbigny 1845

Invalid names: Harpoceras camporoverense Gregorio 1886 [synonym], Harpoceras canavincola Gregorio 1886 [synonym], Harpoceras ramiatum Gregorio 1886 [synonym]

Invalid names: Leptostrigites Buckman 1924 [synonym], Plectostrigites Buckman 1924 [synonym], Strigites Buckman 1924 [synonym], Stringoceras Quenstedt 1886 [synonym], Veristrigites Buckman 1924 [synonym]

G. †Varistrigites Buckman 1924

Invalid names: Phlycticeratinae Spath 1928 [empty]

G. †Tropitoides Spath 1925

†Tropitoides obesus Stoliczka 1865

Subor. †Olcostephanina Haug 1910

Superfm. †Olcostephanoidea Haug 1910

Fm. †Olcostephanidae Haug 1910

G. †Mexicanoceras Imlay 1938

†Mexicanoceras laticostatum Imlay 1940

†Mexicanoceras multicostatum Imlay 1940

Subfm. †Olcostephaninae Haug 1910

G. †Baronnites

G. †Ceratotuberculus Imlay 1938

G. †Olcostephanus Neumayr 1875

Invalid names: Astieria Pavlow 1892 [objective synonym], Astieria Pavlow 1892 [objective synonym], Holcostephanus Sayn 1889 [synonym], Holcostephanus Sayn 1889 [synonym], Lemurostephanus Thieuloy 1977 [synonym], Lemurostephanus Thieuloy 1977 [synonym], Maderia Imlay 1938 [synonym], Maderia Imlay 1938 [synonym], Rogersites Spath 1924 [synonym], Rogersites Spath 1924 [synonym], Satoites Cantú-Chapa 1966 [synonym], Satoites Cantú-Chapa 1966 [synonym], Subastieria Spath 1923 [synonym], Subastieria Spath 1923 [synonym], Taraisites Cantú-Chapa 1966 [synonym], Taraisites Cantú-Chapa 1966 [synonym]

G. †Olcostephanus Neumayr 1875

G. †Parastieria

G. †Santafecites Etayo-Serna 1985

G. †Saynoceras

G. †Valanginites Sayn 1910

Invalid names: Dobrodgeiceras Nikolov 1963 [synonym]

Invalid names: Capeloitinae Cantú-Chapa 2009 [synonym], Garcitinae Cantú-Chapa 2012 [synonym], Provalanginitinae Fatml 1972 [synonym], Saynoceratinae Cantú-Chapa 2012 [synonym], Taraisitinae Cantú-Chapa 1966 [synonym]

Subfm. †Spiticeratinae Spath 1924

G. †Aspidostephanus

G. †Cantianiceras Faraoni et al. 1997

G. †Groebericeras

G. †Kilianiceras Djanelidze 1922

G. †Negreliceras Djanelidze 1922

G. †Proniceras

G. †Spiticeras

Invalid names: Bihenduloceras [synonym], Somaliceras [synonym]

G. †Umiaites Spath 1931

Invalid names: Garcites Cantú-Chapa 2001 [nomen dubium]

Subor. †Protancyloceratina Vermeulen 2005

Superfm. †Bochianitoidea Spath 1922

Fm. †Bochianitidae Spath 1922

G. †Baculina d'Orbigny 1850

†Baculina rouyana d'Orbigny 1850

Subfm. †Bochianitinae Spath 1922

G. †Bochianites Lory 1898

G. †Janenschites

G. †Kabylites Durand Delga 1954

G. †Euptychoceras Breistroffer 1952

†Euptychoceras borzai Vasicek and Michalik 1988

†Euptychoceras curnieri Thieuloy 1972

†Euptychoceras jordanese Murphy 1975

†Euptychoceras meyrati Ooster 1860

†Euptychoceras teschenense Uhlig 1902

Invalid names: Ammonites Bruguière 1789 [nomen vanum], Ancylocerina [empty], Cardiocerina [empty], Perisphinctina Steinmann 1890 [empty], Psilocerina [empty], Stephanocerina [empty]

Diagnosis

Reference	Diagnosis
K. A. v. Zittel 1884	2. Unterordnung: Ammonoidea. Shell is usually spirally rolled, disc-shaped, rarely very neck-shaped, evolute, curved, or straight. Mouth simple or with lateral and ventral processes. Suture line wavy, jagged or with slashed lobes and saddles. Siphon cylindrical, always at the edge, without internal deposits. The initial chamber is spherical or egg-shaped. Aptychus or Anaptychus present membranously.

Measurements

No measurements are available

Composition:

aragoniteo

Environment:

marinec

Locomotion:

fast-movingo

Life habit:

nektonico

Diet:

carnivoreo

Vision:

well-developedc

Created:

2005-01-28 02:27:03

Modified:

2009-10-08 14:14:55

Source: o = order, c = class

References: Kiessling 2004, Kiessling 2003

Age range

Maximum range based only on fossils: base of the Pragian to the top of the Early/Lower Paleocene or 413.02000 to 61.66000 Ma
Minimum age of oldest fossil (stem group age): 410.62 Ma

Collections (20914 total)

Time interval	Ma	Country or state	Original ID and collection number
Oldest occurrences
Early/Lower Devonian	419.62 - 393.47	Czechia (Barrandia)	Sellanarcestes perfectus, Sellanarcestes solus, Anarcestes simulans, Paranarcestes pictus, Werneroceras crispum, Praewerneroceras suchomastense, Amoenophyllites amoenus, Mimagoniatites bohemicus, Agoniatites tabuloides, Gyroceratites gracilis (12183)
Early/Lower Devonian - Eifelian	419.62 - 387.95	Czechia	Anarcestes plebeius, Anarcestes simulans, Foordites veniens, Agoniatites tabuloides (12149) Sellanarcestes perfectus, Sellanarcestes cognatus, Sellanarcestes certus, Sellanarcestes neglectus, Sellanarcestes crassior, Anarcestes plebeius, Anarcestes lateseptatus, Anarcestes latissimus, Anarcestes densistriatus, Anarcestes simulans, Anarcestes applanatus, Anarcestes plebius, Werneroceras hanusi, Werneroceras crispum, Amoenophyllites amoenus, Foordites veniens, Agoniatites praeceps, Agoniatites tabuloides, Gyroceratites gracilis (12148)
Devonian	419.62 - 358.86	USA (Alaska)	Agoniatites sp. (114978)
Pragian	413.02 - 410.62	Morocco	Mimagoniatites fecundus, Erbenoceras sp., Metabactrites sp. (208258 208259 208261)
Pragian - Emsian	413.02 - 393.47	Türkiye (Istanbul)	Convoluticeras buluti, Anetoceras solitarium (32470)
Pragian - Middle Givetian	413.02 - 383.4	Morocco	Anarcestes latissimus, Anarcestes sp., Paranarcestes chalix, Latanarcestes sp., Amoenophyllites doering, Mimagoniatites bohemicus (208110)
Early/Lower Emsian	410.62 - 399.5	Russian Federation (Arkhangel'skaya Oblast')	Erbenoceras sp. A, Erbenoceras sp. B, Anetoceras sp. (40704) Gracilites svetlanae, Convoluticeras sp. (40703)
Early/Lower Emsian	410.62 - 399.5	China (Guangxi)	Erbenoceras sp. (80474)
Early/Lower Emsian	410.62 - 399.5	Germany (Gemuenden)	Mimagoniatites falcistria, Mimosphinctes sp., Anetoceras arduennense (26903)
Early/Lower Emsian	410.62 - 399.5	Germany (Rhineland-Palatinate)	Mimagoniatites falcistria (238133)
Early/Lower Emsian	410.62 - 399.5	Belgium (Liège)	Ivoites schindewolfi (157914)
Early/Lower Emsian	410.62 - 399.5	Morocco	Lenzites gesinae, Anetoceras obliquecostatum (150580) Metabactrites ernsti (150361) Mimosphinctinae indet. (150360) Weyeroceras angustus (150582) Weyeroceras angustus, Lenzites gesinae, Teicherticeras senior (150581)
Early/Lower Emsian	410.62 - 399.5	Czechia	Anetoceras hunsrueckianum (172645 172648) Anetoceras solitarium (172631 172632 172633 172635 172636) Celaeceras praematurum, Goniatites fecundus, Goniatites lituus (172650) Goniatites praematurus, Goniatites fecundus, Teicherticeras imago, Goniatites solitarius (172630) Goniatites solitarius (172629) Gyroceras circulare (173000) Gyroceras tenue (172649) Gyroceratites laevis (172996) Gyroceratites laevis, Mimosphinctes zlichovensis, Anetoceras hunsrueckianum (172646) Mimagoniatites fecundus (172660 172661 172662) Mimagoniatites fecundus, Anetoceras solitarium (172634) Mimagoniatites fecundus, Mimagoniatites zlichovensis, Gyroceratites laevis, Teicherticeras discordans, Anetoceras hunsrueckianum (12147) Mimosphinctes zlichovensis, Anetoceras hunsrueckianum (172647) Palaeogoniatites lituus (172651 172652) Teicherticeras senior, Anetoceras oriens (172637)
Early/Lower Emsian	410.62 - 399.5	Germany	Erbenoceras solitarium, Ivoites hunsrueckianus, Ivoites schindewolfi, Ivoites opitzi (163366) Erbenoceras solitarium, Ivoites schindewolfi, Ivoites opitzi (163370) Mimagoniatites falcistria, Gyroceratites sp., Teicherticeras primigenitum, Erbenoceras sp., Anetoceras arduennense (26904) Mimagoniatites fecundus, Gyroceratites heinricherbeni, Chebbites sp., Mimosphinctes tripartitus, Ivoites opitzi (163369) Mimagoniatites fecundus, Ivoites hunsrueckianus, Ivoites opitzi (163367) Teicherticeras sp., Ivoites sp. (163368) Teicherticeras teicherti (182837)
Emsian	410.62 - 393.47	Morocco	Anarcestes lateseptatus, Gyroceratites gracilis (27117) Erbenoceras sp. (211363) Ivoites n.sp. (211366) Klugites gesinae (211364) Mimagoniatites bohemicus, Anetoceras advolvens (27070) Mimagoniatites fecundus, Gyroceratites laevis (38746) Mimagoniatites sp. (211365) Sellanarcestes spp., Latanarcestes noeggerathi, Chlupacites praeceps, Mimagoniatites bohemicus (38800) Sellanarcestes tenuior, Anarcestes plebeius, Anarcestes lateseptatus, Mimagoniatites bohemicus, Achguigites tafilaltensis (38747) Sellanarcestes tenuior, Sellanarcestes wenkenbachi, Sellanarcestes sp., Anarcestes plebeius, Anarcestes latissimus, Achguigites tafilaltensis (38777)
Emsian	410.62 - 393.47	Canada (Nunavut)	Mimagoniatites nearcticus (170992) Mimagoniatites sp. (26621)
Emsian	410.62 - 393.47	Czechia	Gyroceratites laevis, Teicherticeras discordans (172658) Teicherticeras discordans (172655)
Emsian	410.62 - 393.47	Algeria	Mimagoniatites erbeni, Mimagoniatites sp. (40361) Mimagoniatites fecundus (40362) Sellanarcestes certus, Sellanarcestes tenuior, Anarcestes lateseptatus (40363)
Emsian	410.62 - 393.47	China (Xiyang)	Anetoceras elegantulum (75913)
Emsian	410.62 - 393.47	Uzbekistan	Mimosphinctes erbeni, Mimosphinctes sp., Erbenoceras kimi, Erbenoceras solitarium, Erbenoceras sp. (169214)