PBDB Taxon

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Ammonitina

Cephalopoda - Ammonitida

Taxonomy

Ammonitina was named by Hyatt (1889).

It was assigned to Lytoceratida by Wiedmann (1970), Wiedmann (1978) and Summesberger (1979); to Phylloceratida by Hoffmann (2010) and Hoffmann and Keupp (2010); to Ammonoidea by Wright (1952), Förster (1975), Kennedy (1984), Wright and Kennedy (1984), Kennedy (1986), Kennedy and Cobban (1990), Thomson and Smith (1992), Summesberger (1992), Ward and Kennedy (1993), Kennedy and Cobban (1993), Kennedy (1995), Kennedy (1995), Wright et al. (1996), Cecca (1997), Kennedy and Summesberger (1999), Blau et al. (2000), Gale et al. (2005), Kennedy (2005), Parent (2006), Landman et al. (2007), Matsukawa et al. (2008) and Lukeneder and Lukeneder (2018); and to Ammonitida by Howarth (2013), Frau et al. (2015), Lehmann et al. (2016), Wild and Stilwell (2016), Edmunds et al. (2016), El Qot (2018), Parent et al. (2022), Frau and Fuhr (2023) and Latil et al. (2023).

Synonyms

Lytoceratina was named by Hyatt (1899).

It was synonymized subjectively with Ammonitina by Hoffmann (2010).

It was assigned to Lytoceratida by Wiedmann (1970), Murphy (1975), Cooper (1978), Summesberger (1979) and Summesberger (1980); to Ammonitida by Atabekyan (1985) and Arkadiev et al. (2000); and to Ammonoidea by Wright (1952), Förster (1975), Wright and Kennedy (1984), Summesberger (1992), Summesberger (1992), Ward and Kennedy (1993), Kennedy and Cobban (1993), Kennedy (1995), Wright et al. (1996), Kennedy et al. (2000), Kennedy (2005) and Galácz and Kassai (2012).

Synonymy list

Year	Name and author
1889	Ammonitina Hyatt
1899	Lytoceratina Hyatt
1952	Ammonitina Wright
1952	Lytoceratina Wright
1970	Lytoceratina Wiedmann p. 986
1970	Ammonitina Wiedmann p. 1009
1975	Lytoceratina Förster p. 143
1975	Ammonitina Förster p. 208
1975	Lytoceratina Murphy p. 16
1978	Lytoceratina Cooper p. 56
1978	Ammonitina Wiedmann p. 666
1979	Lytoceratina Summesberger p. 113
1979	Ammonitina Summesberger p. 126
1980	Lytoceratina Summesberger p. 276
1984	Ammonitina Kennedy p. 30
1984	Lytoceratina Wright and Kennedy p. 39
1984	Ammonitina Wright and Kennedy p. 53
1985	Lytoceratina Atabekyan p. 23
1986	Ammonitina Kennedy p. 50
1990	Ammonitina Kennedy and Cobban p. 385
1992	Lytoceratina Summesberger p. 97
1992	Ammonitina Summesberger p. 108
1992	Ammonitina Thomson and Smith p. 15
1993	Lytoceratina Kennedy and Cobban p. 118
1993	Ammonitina Kennedy and Cobban p. 120
1993	Lytoceratina Ward and Kennedy p. 17
1993	Ammonitina Ward and Kennedy p. 23
1995	Ammonitina Kennedy p. 241
1995	Lytoceratina Kennedy p. 388
1995	Ammonitina Kennedy p. 391
1996	Lytoceratina Wright et al. p. 2
1996	Ammonitina Wright et al. p. 9
1997	Ammonitina Cecca p. 327
1999	Ammonitina Kennedy and Summesberger p. 24
2000	Lytoceratina Arkadiev et al. p. 97
2000	Ammonitina Blau et al. p. 261
2000	Lytoceratina Kennedy et al. p. 6
2005	Ammonitina Gale et al. p. 172
2005	Lytoceratina Kennedy p. 354
2005	Ammonitina Kennedy p. 355
2006	Ammonitina Parent p. 18
2007	Ammonitina Landman et al. p. 57
2008	Ammonitina Matsukawa et al. p. 4
2010	Ammonitina Hoffmann p. 11
2010	Ammonitina Hoffmann and Keupp p. 225
2012	Lytoceratina Galácz and Kassai
2013	Ammonitina Howarth p. 2
2015	Ammonitina Frau et al. p. 119
2016	Ammonitina Edmunds et al. p. 150
2016	Ammonitina Lehmann et al. p. 440
2016	Ammonitina Wild and Stilwell p. 975
2018	Ammonitina El Qot
2018	Ammonitina Lukeneder and Lukeneder p. 101
2022	Ammonitina Parent et al. p. 2
2023	Ammonitina Frau and Fuhr p. 1
2023	Ammonitina Latil et al. p. 64

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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
suborder	Ammonitina	Hyatt 1889
suborder	Ammonitina	Hyatt 1889

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.

Subor. †Ammonitina Hyatt 1889

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Superfm. †Acanthoceratoidea de Grossouvre 1894

Fm. †Acanthoceratidae Grossouvre 1894

Subfm. †Acanthoceratinae de Groussouvre 1894

G. †Acanthoceras Neumayr 1875

Subg. †Acanthoceras (Alternacanthoceras) Marcinowski 1979

†Acanthoceras amphibolum Morrow 1935

Invalid names: Acanthoceras alvaradoense Moreman 1942 [synonym], Acanthoceras hazzardi Stephenson 1952 [synonym]

†Acanthoceras asiatica Jimbo 1894

†Acanthoceras athabascense Warren and Stelck 1955

†Acanthoceras basseae Kennedy and Hancock 1970

Invalid names: Acanthoceras vergonsense Thomel 1972 [synonym]

†Acanthoceras bellense Adkins 1928

Invalid names: Acanthoceras stephensoni Adkins 1928 [synonym]

†Acanthoceras chasca Benavides-Caceres 1956

†Acanthoceras compitalis Stoyanow 1949

†Acanthoceras compressum Anderson 1902

†Acanthoceras flexuosum Crick 1907

Invalid names: Acanthoceras gortanii Venzo 1936 [synonym]

†Acanthoceras granerosense Cobban and Scott 1972

†Acanthoceras joserita Stoyanow 1949

†Acanthoceras jukesbrownei Spath 1926

†Acanthoceras muldoonense Cobban and Scott 1973

†Acanthoceras pollocense Benavides-Caceres 1956

†Acanthoceras rhotomagense Brongniart 1822

Invalid names: Acanthoceras (Pseudacanthoceras) praecursor Thomel 1972 [synonym], Ammonites cenomanensis d'Orbigny 1850 [synonym]

†Acanthoceras robustum Crick 1907

†Acanthoceras sangalense Benavides-Caceres 1956

†Acanthoceras sarthacense Wright and Kennedy 1990

†Acanthoceras sherborni Spath 1926

†Acanthoceras vectense Spath 1925

†Acanthoceras whitei Matsumoto 1959

Invalid names: Acanthoceras turneri White 1889 [replaced]

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

G. †Acompsoceras Hyatt 1903

†Acompsoceras calabarense Zaborski 1985

†Acompsoceras inconstans Schluter 1871

Invalid names: Acompsoceras levense Thomel 1972 [synonym]

†Acompsoceras renevieri Sharpe 1857

Invalid names: Ammonites bochumensis Schlüter 1871 [synonym]

†Acompsoceras sarthense Guéranger 1867

†Acompsoceras tenue Collignon 1964

Invalid names: Pseudacompsoceras Spath 1925 [synonym]

G. †Alzadites Kennedy and Cobban 1990

†Alzadites alzadensis Kennedy and Cobban 1990

†Alzadites incomptus Kennedy and Cobban 1990

†Alzadites westonensis Kennedy and Cobban 1990

G. †Benueites Reyment 1954

†Benueites benueensis Reyment 1954

†Benueites mosquerae Karsten 1886

Invalid names: Benueites spinosus Reyment 1954 [synonym]

†Benueites reymenti Collignon 1966

†Benueites trinidadensis Renz 1982

G. †Calycoceras Hyatt 1900

Subg. †Calycoceras (Calycoceras) Hyatt 1900

Subg. †Calycoceras (Conlinoceras) Cobban and Scott 1972

Subg. †Calycoceras (Gentoniceras) Thomel 1972

Subg. †Calycoceras (Hourcqiceras) Collignon 1939

Subg. †Calycoceras (Newboldiceras) Thomel 1972

Invalid names: Acanthoceras (Pseudacanthoceras) Thomel 1972 [synonym], Newboldiceras (Mourreiceras) Thomel 1972 [synonym], Newboldiceras (Newboldiceras) Thomel 1972 [objective synonym]

Subg. †Calycoceras (Proeucalycoceras) Thomel 1969

†Calycoceras bathyomphalum Kosmatt 1895

†Calycoceras boulei Collgnon 1937

†Calycoceras choffati Kossmat 1897

†Calycoceras lafouxiense Thomel 1972

†Calycoceras robustum Thomel 1972

†Calycoceras spinosum Wright and Wright 1951

Invalid names: Metacalycoceras Spath 1926 [synonym]

G. †Conlinoceras Cobban and Scott 1972

†Conlinoceras gilberti Cobban and Scott 1972

†Conlinoceras tarrantense Adkins 1928

Invalid names: Acanthoceras (Pseudacanthoceras) wintoni Adkins 1928 [synonym], Acanthoceras adkinsi Stephenson 1952 [synonym]

G. †Cunningtoniceras Collignon 1937

†Acanthoceras johnsonianum Stephenson 1955

†Cunningtoniceras arizonense Kirkland and Cobban 1986

†Cunningtoniceras cunningtoni Sharpe 1855

†Cunningtoniceras inerme Pervinquière 1907

†Cunningtoniceras johnsonanum Stephenson 1955

†Cunningtoniceras lonsdalei Adkins 1928

†Cunningtoniceras meridionale Stoliczka 1864

†Cunningtoniceras novimexicanum Cobban et al. 1989

†Cunningtoniceras roguense Anderson 1958

G. †Eucalycoceras Spath 1923

Subg. †Eucalycoceras (Proeucalycoceras) Thomel 1969

†Eucalycoceras barcusi Jones 1938

†Eucalycoceras collignoni Fabre 1940

†Eucalycoceras denizoti Fabre 1940

†Eucalycoceras diabloense Anderson 1958

†Eucalycoceras gothicum Kossmat 1895

†Eucalycoceras jeanneti Collignon 1937

†Eucalycoceras pentagonum Jukes-Browne 1896

†Eucalycoceras pervinquierei Collignon 1931

†Eucalycoceras shastense Reagan 1924

†Eucalycoceras templetonense Cobban 1988

Invalid names: Pseudomantelliceras Thomel 1972 [synonym]

G. †Kastanoceras Kennedy and Cobban 1990

†Kastanoceras spinigerum Kennedy and Cobban 1990

G. †Kennediella Cooper 1979

†Kennediella inopinata Kennedy and Bayliss 1979

G. †Kunnamiceras Gale et al. 2019

†Kunnamiceras tropicum Stoliczka 1865

G. †Microsulcatoceras Kennedy and Cobban 1990

†Microsulcatoceras crassum Kennedy and Cobban 1990

†Microsulcatoceras puzosiiforme Kennedy and Cobban 1990

†Microsulcatoceras texanum Kennedy and Cobban 1990

G. †Nebraskites Kennedy and Cobban 1988

†Nebraskites haresiceratiforme Kennedy and Cobban 1988

G. †Neocardioceras Spath 1926

†Neocardioceras densicostatum Cobban 1988

†Neocardioceras juddii Barrois and Guerne 1898

†Neocardioceras laevigatum Cobban 1988

†Neocardioceras minutum Cobban 1988

†Neocardioceras transiens Kennedy et al. 1996

†Neocardioceras uptonense Cobban 1988

†Neocardioceras woodwardi Cobban et al. 1989

G. †Nigericeras Schneegans 1943

†Nigericeras gadeni Chudeau 1909

Invalid names: Nigericeras gignouxi Schneegans 1943 [synonym], Nigericeras lamberti Schneegans 1943 [synonym]

†Nigericeras intermedium Barber 1957

†Nigericeras jacqueti Schneegans 1943

†Nigericeras ogojaense Reyment 1955

†Nigericeras scotti Cobban 1972

G. †Paraconlinoceras Kennedy and Cobban 1990

†Paraconlinoceras barcusi Jones 1938

†Paraconlinoceras leonense Adkins 1928

G. †Plesiacanthoceratoides Kennedy 1990

†Plesiacanthoceratoides alzadense Cobban 1987

†Plesiacanthoceratoides vetula Cobban 1987

G. †Prohauericeras Nowak 1913

†Prohauericeras goupilianus d'Orbigny 1841

G. †Protacanthoceras Spath 1923

†Protacanthoceras bunburianus Sharpe 1853

†Protacanthoceras fisherense Cobban 1987

†Protacanthoceras hosei Cobban 1987

†Protacanthoceras involutum Thomel 1972

†Protacanthoceras proteus Wright and Kennedy 1980

†Protacanthoceras tuberculatum Thomel 1972

†Protacanthoceras vetula Cobban 1987

G. †Pseudocalycoceras Thomel 1969

Subg. †Pseudocalycoceras (Pseudocalycoceras) Thomel 1969

†Pseudocalycoceras angolaense Spath 1931

Invalid names: Eucalycoceras dentonense Moreman 1942 [synonym], Eucalycoceras indianense Moreman 1942 [synonym], Eucalycoceras lewisvillense Moreman 1942 [synonym], Eucalycoceras underwoodi Powell 1963 [synonym]

†Pseudocalycoceras harpax Stoliczka 1864

Invalid names: Pseudocalycoceras (Haugiceras) Thomel 1972 [invalid subgroup]

G. †Pseudovascoceras Zaborski 1996

†Pseudovascoceras nigeriense Woods 1911

G. †Quitmaniceras Powell 1963

†Quitmaniceras reaseri Powell 1963

Invalid names: Quitmaniceras brandi Powell 1963 [synonym]

G. †Tarrantoceras Stephenson 1955

Subg. †Tarrantoceras (Sumitomoceras) Matsumoto 1969

Subg. †Tarrantoceras (Tarrantoceras) Stephenson 1955

†Tarrantoceras cuspidum Stephenson 1953

†Tarrantoceras exile Kennedy and Cobban 1990

†Tarrantoceras flexicostatum Cobban 1988

†Tarrantoceras sellardsi Adkins 1928

Invalid names: Tarrantoceras lillianense Stephenson 1955 [synonym], Tarrantoceras multicostatum Stephenson 1955 [synonym], Tarrantoceras rotatile Stephenson 1955 [synonym], Tarrantoceras stantoni Stephenson 1955 [synonym]

G. †Thomelites Juignet et al. 1973

†Thomelites eguituriense Thomel 1972

†Thomelites flandrini Porthault 1966

†Thomelites sornayi Porthault and Thomel 1966

†Thomelites tenereensis Meister et al. 1994

Invalid names: Eucalycoceras harpax lattensis Thomel 1966 [synonym]

G. †Watinoceras Warren 1930

Subg. †Watinoceras (Watinoceras) Warren 1930

†Watinoceras amudariense Arkhanguelsky 1916

†Watinoceras coloradoense Henderson 1908

†Watinoceras depressum Wright and Kennedy 1981

†Watinoceras devonense Wright and Kennedy 1981

†Watinoceras jaekeli Solger 1904

†Watinoceras odonnelli Cobban et al. 1989

†Watinoceras reesidei Warren 1930

†Watinoceras thompsonense Cobban 1988

†Watinoceras venezolanum Renz 1982

Subfm. †Euomphaloceratinae Cooper 1978

G. †Burroceras Cobban et al. 1989

†Burroceras clydense Cobban et al. 1989

†Burroceras transitorium Cobban et al. 1989

G. †Codazziceras Etayo Serna 1979

†Codazziceras scheibei Riedel 1938

G. †Euomphaloceras Spath 1923

Subg. †Euomphaloceras (Euomphaloceras) Spath 1923

†Euomphaloceras costatum Cobban et al. 1989

†Euomphaloceras euomphalum Sharpe 1855

†Euomphaloceras inerme Pervinquière 1907

Invalid names: Acanthoceras evolutum Spath 1926 [synonym]

†Euomphaloceras merewetheri Cobban et al. 1989

†Euomphaloceras septemseriatum Cragin 1893

Invalid names: Acanthoceras kanabense Stanton 1894 [synonym], Lyelliceras stanislausense Anderson 1958 [synonym], Prionotropis echinatus Douville 1931 [synonym]

Invalid names: Kanabiceras Reeside and Weymouth 1931 [synonym]

G. †Hourcqiceras Collignon 1939

†Hourcqiceras hourcqi Collignon 1939

G. †Kamerunoceras Reyment 1954

†Kamerunoceras andinum Renz 1982

†Kamerunoceras antsaronense Collignon 1965

†Kamerunoceras calvertense Powell 1963

†Kamerunoceras douvillei Pervinquière 1907

†Kamerunoceras eschii Solger 1904

†Kamerunoceras ganuzai Wiedmann 1960

†Kamerunoceras inaequicostatus Wiedmann 1960

†Kamerunoceras isovokyense Collignon 1965

†Kamerunoceras jacobsoni Reyment 1955

†Kamerunoceras lecointrei Collignon 1966

†Kamerunoceras puebloense Cobban and Scott 1972

†Kamerunoceras schindewolfi Collignon 1965

†Kamerunoceras seitzi Riedel 1933

†Kamerunoceras tinrhertense Collignon 1965

†Kamerunoceras turoniense d'Orbigny 1850

Invalid names: Ammonites salmuriensis Courtiller 1867 [synonym], Mammites (Pseudaspidoceras) armatus Pervinquière 1907 [synonym], Pseudaspidoceras armatus Pervinquière 1907 [synonym]

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

G. †Lotzeites Wiedmann 1960

†Calycoceras (Lotzeites) niciensis Thomel 1965

†Lotzeites aberrans Kossmat 1895

†Lotzeites elegans Kennedy and Gale 2015

G. †Morrowites Cobban and Hook 1983

†Morrowites depressus Powell 1963

†Morrowites dixeyi Reyment 1955

†Morrowites mocamedensis Howarth 1968

†Morrowites subdepressus Cobban and Hook 1983

†Morrowites wingi Morrow 1935

G. †Paraburroceras Cobban et al. 1989

†Paraburroceras minutum Cobban et al. 1989

G. †Paramammites Furon 1935

†Paramammites melleguensis Dubordieu 1953

†Paramammites mohovanensis Böse 1920

†Paramammites polymorphum Pervinquiére 1907

†Vascoceras (Paramammites) furoni Faraud 1940

G. †Pseudaspidoceras Hyatt 1903

†Pseudaspidoceras armatum Pervinquière 1907

†Pseudaspidoceras barberi Meister 1989

†Pseudaspidoceras conciliatum Stoliczka 1865

†Pseudaspidoceras curvicostatum Reyment 1955

†Pseudaspidoceras flexuosum Powell 1963

Invalid names: Pseudaspidoceras collignoni Cobban and Scott 1972 [synonym]

†Pseudaspidoceras footeanum Stolickzka 1864

Invalid names: Pseudaspidoceras pedroanum White 1887 [synonym]

†Pseudaspidoceras paganum Reyment 1954

†Pseudaspidoceras pseudonodosoides Choffat 1898

†Pseudaspidoceras reesidei Benavides-Caceres 1956

†Pseudaspidoceras tassaraensis Meister et al. 1992

Invalid names: Ampakabites Collignon 1965 [synonym]

G. †Romaniceras Spath 1923

Subg. †Romaniceras (Neomphaloceras) Matsumoto and Obata 1982

Subg. †Romaniceras (Obiraceras) Matsumoto 1975

Subg. †Romaniceras (Romaniceras) Spath 1923

Subg. †Romaniceras (Shuparoceras) Matsumoto 1975

Subg. †Romaniceras (Yubariceras) Matsumoto 1957

†Romaniceras deverioides de Grossouvre 1889

Invalid names: Mantelliceras conquistador Anderson 1958 [synonym], Romaniceras hesperium Anderson 1958 [synonym]

†Romaniceras pseudodeverianum Jimbo 1894

†Romaniceras uchauxiense Collignon 1939

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

Subfm. †Mammitinae Hyatt 1900

G. †Buccinammonites Kennedy and Cobban 1990

†Buccinammonites minimus Kennedy and Cobban 1990

G. †Buchiceras Hyatt 1875

†Buchiceras bilobatum Hyatt 1875

†Buchiceras gabbi Hyatt 1903

Invalid names: Roemeroceras Hyatt 1903 [synonym]

G. †Cryptometoicoceras Kennedy and Cobban 1990

†Cryptometoicoceras mite Kennedy and Cobban 1990

G. †Dunveganoceras Warren and Stelck 1940

Subg. †Dunveganoceras (Dunveganoceras) Warren and Stelck 1940

†Dunveganoceras clowi Warren and Stelck 1955

†Dunveganoceras hagei Warren and Stelck 1955

†Dunveganoceras liguriense Thomel 1965

†Dunveganoceras parvum Cobban 1953

†Dunveganoceras pondi Haas 1949

†Dunveganoceras poucecoupense Warren and Stelck 1940

G. †Fikaites Zaborski 1993

†Fikaites laffitei Collignon 1965

†Fikaites subtuberculatus Collignon 1965

Invalid names: Nigericeras amardi Collignon and Roman 1981 [synonym], Nigericeras tinrhertense Collignon and Roman 1981 [synonym]

†Fikaites varicostatus Zaborski 1993

G. †Mammites Laube and Bruder 1887

†Mammites afer Pervinquière 1907

†Mammites mohavanensis Böse 1920

†Mammites mohovanensis Böse 1920

†Mammites mutabilis Reyment 1955

†Mammites nodosoides Schlüter 1871

Invalid names: Mammites chouberti Collignon 1967 [synonym], Schluetericeras laubei Hyatt 1903 [synonym]

†Mammites powelli Kennedy et al. 1987

†Mammites rancheriae Anderson 1958

†Mammites spinosus Basse 1940

Invalid names: Schluetericeras Hyatt 1903 [synonym]

G. †Metasigaloceras Hyatt 1903

†Metasigaloceras rusticum Sowerby 1817

G. †Metoicoceras Hyatt 1903

†Metoicoceras bergquisti Cobban 1983

†Metoicoceras crassicostae Stephenson 1952

†Metoicoceras geslinianum d'Orbigny 1841

Invalid names: Mammites gourdoni de Grossouvre 1912 [synonym], Metoicoceras bosei Jones 1938 [synonym], Metoicoceras frontierense Cobban 1988 [synonym], Metoicoceras kanabense Hyatt 1903 [synonym], Metoicoceras whitei Hyatt 1903 [synonym]

†Metoicoceras gibbosum Hyatt 1903

Invalid names: Barroisiceras trinodosum Moreman 1927 [synonym], Metoicoceras ornatum Moreman 1942 [synonym]

†Metoicoceras latoventer Stephenson 1953

†Metoicoceras mosbyense Cobban 1953

Invalid names: Metoicoceras defordi Young 1957 [synonym]

†Metoicoceras muelleri Cobban 1953

†Metoicoceras praecox Haas 1949

†Metoicoceras swallovi Shumard 1859

G. †Mitonia Renz and Alvarez 1979

†Mitonia constricta Renz 1982

†Mitonia evoluta Renz 1982

†Mitonia gracilis Renz and Alvarez 1979

†Mitonia venezolana Renz and Alvarez 1979

G. †Nannometoicoceras Kennedy 1988

†Nannometoicoceras acceleratum Hyatt 1903

†Nannometoicoceras glabrum Kennedy and Cobban 1990

†Nannometoicoceras nanos Kennedy and Cobban 1990

G. †Parabuchiceras Cooper 1998

G. †Paracompsoceras Cobban 1972

†Paracompsoceras landisi Cobban 1972

G. †Plesiacanthoceras Haas 1964

†Dunveganoceras (Plesiacanthoceras) wyomingense Reagan 1924

†Plesiacanthoceras bellsanum Stephenson 1953

G. †Praemetoicoceras Cooper 1998

G. †Pseudoaspidoceras Hyatt 1903

†Pseudoaspidoceras reesidei Benavides-Caceres 1956

G. †Rhamphidoceras Kennedy and Cobban 1990

†Rhamphidoceras saxatilis Kennedy and Cobban 1990

G. †Spathites Kummel and Decker 1954

Subg. †Spathites (Ingridella) Wiedmann 1960

Subg. †Spathites (Jeanrogericeras) Wiedmann 1960

Invalid names: Fallotites (Fallotites) Wiedmann 1960 [synonym]

Subg. †Spathites (Spathites) Kummel and Decker 1954

Invalid names: Neoptychites (Spathitoides) Wiedmann 1960 [synonym]

†Spathites coahuilaensis Jones 1938

Invalid names: Pseudotissotia kellyi Jones 1938 [synonym], Spathites chispaensis Kummel and Decker 1954 [synonym]

†Spathites puercoensis Herrick and Johnson 1900

†Spathites rioensis Powell 1963

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

†Graysonites adkinsi Young 1958

Invalid names: Graysonites fountaini Young 1958 [synonym]

†Graysonites horvathi Szives 2007

†Graysonites reynoldsi Kellum and Mintz 1962

†Graysonites wacoense Böse 1928

Invalid names: Graysonites lozoi Young 1958 [synonym], Graysonites wooldridgei Young 1958 [synonym], Mantelliceras brazoense Böse 1928 [synonym]

G. †Mantelliceras Hyatt 1903

†Mantelliceras budaense Adkins 1931

†Mantelliceras camachoense Böse 1923

†Mantelliceras cantianum Spath 1926

Invalid names: Mantelliceras geyeri Collignon 1964 [synonym]

†Mantelliceras charlestoni Kellum and Mintz 1962

†Mantelliceras couloni d'Orbigny 1850

†Mantelliceras dixoni Spath 1926

Invalid names: Mantelliceras baylei Thomel 1972 [synonym], Mantelliceras beynense Thomel 1972 [synonym], Mantelliceras lateretuberculatum Collignon 1964 [synonym], Mantelliceras pseudohyatti Collignon 1964 [synonym]

†Mantelliceras indicum Kossmat 1895

†Mantelliceras lecontei Anderson 1958

†Mantelliceras lymense Spath 1926

Invalid names: Mantelliceras costatum Mantell 1822 [replaced]

†Mantelliceras mantelli Sowerby 1814

Invalid names: Mantelliceras alternans Collignon 1964 [synonym], Mantelliceras ampakabense Collignon 1964 [synonym], Mantelliceras betiokyense Collignon 1964 [synonym], Mantelliceras isovokyense Collignon 1964 [synonym]

†Mantelliceras nitidum Crick 1907

†Mantelliceras phoenixense Anderson 1958

†Mantelliceras picteti Hyatt 1903

Invalid names: Mantelliceras antanimangaense Collignon 1964 [synonym], Mantelliceras crassecostatum Collignon 1964 [synonym], Mantelliceras densecostata Thomel 1972 [synonym], Mantelliceras marrei Thomel 1972 [synonym], Mantelliceras patens Collignon 1964 [synonym], Mantelliceras ravelense Thomel 1972 [synonym]

†Mantelliceras portalesi Kellum and Mintz 1962

†Mantelliceras saxbii Sharpe 1857

Invalid names: Mantelliceras agrawali Collignon 1964 [synonym], Mantelliceras biroi Collignon 1964 [synonym], Mantelliceras hyatti Spath 1925 [synonym], Mantelliceras hyattiforme Collignon 1964 [synonym], Mantelliceras spissum Collignon 1964 [synonym], Mantelliceras teurrettense Thomel 1972 [synonym]

†Mantelliceras tenue Spath 1926

†Mantelliceras tuberculatum Mantell 1822

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

†Mrhiliceras lapparenti Pervinquière 1907

Invalid names: Metoicoceras besairiei Collignon 1964 [synonym], Metoicoceras swalloviforme Collignon 1964 [synonym]

G. †Sharpeiceras Hyatt 1903

†Sharpeiceras australe Kennedy 2014

†Sharpeiceras falloti Collignon 1931

†Sharpeiceras florencae Spath 1925

Invalid names: Sharpeiceras goliath Haas 1942 [synonym], Sharpeiceras occidentale Benavides-Caceres 1956 [synonym]

†Sharpeiceras laticlavium Sharpe 1855

†Sharpeiceras mexicanum Bose 1928

†Sharpeiceras mocambiquense Choffat 1903

†Sharpeiceras schlueteri Hyatt 1903

†Sharpeiceras tlahualiloensis Kellum and Mintz 1962

Invalid names: Tlahualiloceras Kellum and Mintz 1962 [synonym]

G. †Submantelliceras

†Submantelliceras prenodosoides Boule et al. 1907

Invalid names: Metoicoceras subnodosoides Collignon 1937 [synonym]

G. †Utaturiceras

†Utaturiceras chrysanthemum Matsumoto et al. 2003

†Utaturiceras discoidale Kossmat 1895

†Utaturiceras vicinale Stoliczka 1864

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

Fm. †Brancoceratidae Spath 1934

Subfm. †Brancoceratinae Spath 1934

G. †Brancoceras Steinmann 1881

Subg. †Brancoceras (Brancoceras) Steinmann 1881

†Brancoceras euzebioi Maury 1936

†Brancoceras parvum Anderson 1902

†Brancoceras senequieri d'Orbigny 1841

Invalid names: Hystatoceras Hyatt 1900 [synonym]

G. †Cantabrigites Spath 1933

†Cantabrigites cantabrigense Spath 1933

Invalid names: Mortoniceras (Cantabrigites) subsimplex Spath 1933 [synonym]

†Cantabrigites curvatum Renz 1968

†Cantabrigites spinosum Pervinquière 1907

Invalid names: Mortoniceras worthense Adkins 1920 [synonym]

†Cantabrigites subsimplex Spath 1933

†Mortoniceras (Cantabrigites) cantabrigense Spath 1933

Invalid names: Komeceras lineatocostatum van Hoepen 1944 [synonym]

G. †Erioliceras Sepkoski 2002

†Erioliceras elegans Van Hoepen 1955

†Erioliceras humilis Van Hoepen 1955

†Erioliceras tenuis Van Hoepen 1955

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

G. †Hysteroceras Hyatt 1900

†Hysteroceras andinum Renz 1971

†Hysteroceras antipodeum Etheridge 1902

†Hysteroceras binum Sowerby 1815

†Hysteroceras bucklandi Spath 1922

†Hysteroceras capricornu Spath 1934

†Hysteroceras carinatum Spath 1922

†Hysteroceras choffati Spath 1925

Invalid names: Askoloboceras fastigatum Van Hoepen 1944 [synonym]

†Hysteroceras falcicostatum Haas 1942

†Hysteroceras intermedium Haas 1942

†Hysteroceras multifalcatum van Hoepen 1944

†Hysteroceras ootaturense Stoliczka 1865

†Hysteroceras orbignyi Spath 1922

Invalid names: Terasceras improvisum van Hoepen 1944 [synonym], Terasceras subfalcatum van Hoepen 1944 [synonym]

†Hysteroceras propinquum Haas 1942

†Hysteroceras semileve Haas 1942

†Hysteroceras subbinum Spath 1934

Invalid names: Terasceras falcatum van Hoepen 1944 [synonym], Terasceras pseudofalcatum van Hoepen 1944 [synonym]

†Hysteroceras varicosum Sowerby 1824

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

†Neokentroceras costatum Haas 1942

†Neokentroceras crassicostatum Howarth 1965

†Neokentroceras curvicornu Spath 1922

Invalid names: Neokentroceras speciosum Haas 1942 [synonym]

†Neokentroceras gracillimum Kossmat 1895

†Neokentroceras magnum Haas 1942

†Neokentroceras pseudogracillimum Spath 1922

†Neokentroceras pseudovaricosum Spath 1922

†Neokentroceras singulare Haas 1942

†Neokentroceras subtuberculatum Spath 1922

Invalid names: Neokentroceras choffati Spath 1922 [synonym]

†Neokentroceras trituberculatum Howarth 1965

G. †Parabrancoceras Breistroffer 1951

†Parabrancoceras aenigmaticum Collignon 1949

†Parabrancoceras besairiei Collignon 1949

†Parabrancoceras breistrofferi Collignon 1949

†Parabrancoceras capricornusimile Collignon 1949

†Parabrancoceras compressum Collignon 1949

†Parabrancoceras dromense Kennedy et al. 2000

†Parabrancoceras humile Collignon 1949

†Parabrancoceras rotundatum Collignon 1949

Invalid names: Erioliceratinae Van Hoepen 1955 [synonym]

Subfm. †Mortoniceratinae Douvillé 1912

G. †Algericeras Spath 1925

Subg. †Algericeras (Sakondryella) Collignon 1964

†Algericeras boghariense Coquand 1879

†Algericeras proratum Coquand 1879

Invalid names: Prionocycloides Spath 1925 [synonym]

G. †Arestoceras

G. †Elobiceras Spath 1922

†Elobiceras angustum Spath 1922

†Elobiceras bahiaense Maury 1925

†Elobiceras browni Haas 1942

†Elobiceras densicostatum Crick 1922

†Elobiceras elobiensis Szajnocha 1885

†Elobiceras flexicostatum Spath 1922

†Elobiceras hexagonum Haas 1942

†Elobiceras intermedium Spath 1922

†Elobiceras irregulare Spath 1922

†Elobiceras lobitoense Crick 1922

†Elobiceras newtoni Spath 1925

†Elobiceras oxytropidoceratoides Haas 1942

†Elobiceras primordiale Haas 1942

†Elobiceras raymondi Haas 1942

†Elobiceras spathianum Haas 1942

†Elobiceras subelobiense Spath 1922

†Elobiceras szajnochai Spath 1922

G. †Euhystrichoceras Spath 1923

†Euhystrichoceras adkinsi Powell 1963

†Euhystrichoceras baylissi Kennedy and Wright 1981

†Euhystrichoceras constrictum Spath 1933

†Euhystrichoceras nicaisei Coquand 1862

†Euhystrichoceras occidentale Reyment 1955

†Euhystrichoceras simplex Spath 1933

G. †Goodhallites Spath 1932

†Goodhallites aguilerae Böse 1923

†Goodhallites austinense Roemer 1852

†Goodhallites burckhardti Böse 1910

†Goodhallites goodhalli Sowerby 1820

†Goodhallites gracilima Kossmat 1895

Invalid names: Cainoceras salebrosum van Hoepen 1942 [synonym]

†Goodhallites hanhaense Haas 1942

†Goodhallites hulenana Anderson 1938

†Goodhallites propinquus Stolickza 1863

†Prohysteroceras (Goodhallites) besakatrense Collignon 1963

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

G. †Mortoniceras Meek 1876

Subg. †Mortoniceras (Angolaites) Spath 1932

Invalid names: Drakeoceras Young 1957 [synonym], Praeangolaites Collignon 1979 [synonym]

Subg. †Mortoniceras (Boeseites) Young 1968

Subg. †Mortoniceras (Deiradoceras) Van Hoepen 1931

Subg. †Mortoniceras (Mortoniceras) Meek 1876

Invalid names: Pervinquieria (Styphloceras) Van Hoepen 1951 [synonym]

Subg. †Mortoniceras (Rusoceras)

Subg. †Mortoniceras (Subschloenbachia) Spath 1921

Invalid names: Mortoniceras (Durnovarites) Spath 1922 [synonym], Reyericeras Collignon 1979 [synonym]

†Mortoniceras equidistans Cobban 1987

†Mortoniceras gainesana Anderson 1958

†Mortoniceras leonense Cobban 1987

†Mortoniceras scobinum Van Hoepen 1942

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

G. †Neoharpoceras

†Neoharpoceras angolanum Haas 1942

†Neoharpoceras conditum Haas 1942

†Neoharpoceras densicostatum Reyment 1955

†Neoharpoceras obtusum Spath 1922

G. †Pervinquieria Böhm 1910

†Mortoniceras (Pervinquieria) geometricum Spath 1932

Subg. †Pervinquieria (Pervinquieria) Böhm 1910

†Pervinquieria aroeiria Maury 1936

†Pervinquieria bassleri Haas 1942

†Pervinquieria ferecostata Haas 1942

†Pervinquieria furberi Anderson 1958

†Pervinquieria lampasensis Choffat 1898

†Pervinquieria lastroensis Maury 1936

†Pervinquieria margaritata Haas 1942

†Pervinquieria maroimensis White 1887

†Pervinquieria marrecasia Maury 1936

†Pervinquieria montraynaudensis Haas 1942

†Pervinquieria stoliczkai Spath 1921

†Pervinquieria sylvana Anderson 1958

†Pervinquieria tectoria White 1887

†Pervinquieria tehamaensis Reagan 1924

†Pervinquieria vokesi Haas 1942

Invalid names: Ophryoceras van Hoepen 1942 [synonym]

G. †Prohysteroceras Spath 1921

†Prohysteroceras angolaense Boule et al. 1907

†Prohysteroceras aplanatum Spath 1922

†Prohysteroceras decipiens Spath 1922

†Prohysteroceras dubium Spath 1922

†Prohysteroceras gracile Haas 1942

†Prohysteroceras involutum Spath 1922

†Prohysteroceras richardsi Whitehouse 1926

†Prohysteroceras wordiei Spath 1922

Invalid names: Subschloenbachia rotunda Spath 1922 [synonym]

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

Subg. †Arcthoplites (Subarcthoplites) Casey 1954

†Arcthoplites birkenmajeri Nagy 1970

†Arcthoplites jachromensis Nikitin 1888

G. †Bellidiscus Savel'ev 1973

†Bellidiscus angustus Savel'ev 1973

†Bellidiscus subplanus Savel'ev 1973

G. †Freboldiceras Imlay 1959

†Freboldiceras imlayi Warren and Stelck 1960

†Freboldiceras praesingulare Birkelund and Hakansson 1983

†Freboldiceras remotum Nagy 1970

†Freboldiceras singulare 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

†Cleoniceras (Cleoniceras) canadense Jeletzky 1980

†Cleoniceras (Cleoniceras) leightonense Spath 1942

Subg. †Cleoniceras (Neosaynella) Casey 1954

†Cleoniceras (Neosaynella) inornatum 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

†Subarctoplites irenense McLearn 1945

†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

†Anadesmoceras strangulatum Casey 1954

†Anadesmoceras subbaylei Spath 1942

G. †Astrodiscus Saveliev 1973

G. †Cymahoplites Spath 1922

†Cymahoplites hohendorfensis Lehmann et al. 2013

†Cymahoplites kerenskianus Bogoslovskii 1902

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

Subg. †Barroisiceras (Barroisiceras) de Grossouvre 1894

†Barroisiceras neqarotense Parnes 1964

Invalid names: Harleites bentori Parnes 1964 [synonym]

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

G. †Diaziceras

G. †Forresteria Reeside 1932

†Barroisiceras (Forresteria) basseae Benavides-Caceres 1956

Subg. †Forresteria (Forresteria) Reeside 1932

Subg. †Forresteria (Harleites) Reeside 1932

Invalid names: Barroisiceras (Alstadenites) Reeside 1932 [synonym], Reesideoceras Basse 1947 [synonym]

†Forresteria forresteri Reeside 1932

†Forresteria pitalensis Steinmann 1881

†Forresteria stantoni Reeside 1932

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

G. †Kondiloceras Fucini 1901

G. †Niceforoceras Basse 1948

†Niceforoceras umbulaziforme Basse 1948

G. †Pseudobarroisiceras

†Pseudobarroisiceras rennense de Grossouvre 1894

G. †Solgerites Reeside 1932

†Solgerites armatus Solger 1904

Invalid names: Solgerites congoensis Basse 1947 [synonym]

†Solgerites brancoi Solger 1904

†Solgerites romieuxi Pervinquiére 1907

†Solgerites tuberculatus Reyment 1954

Invalid names: Piveteauoceras Basse 1947 [synonym]

G. †Yabeiceras Tokunaga and Shimizu 1926

†Yabeiceras ankinatsyense Collignon 1965

†Yabeiceras cobbani Kennedy and Wright 1983

†Yabeiceras costatum Collignon 1965

†Yabeiceras crassiornatum Kennedy and Wright 1983

†Yabeiceras manasoaense Collignon 1965

†Yabeiceras orientale Tokunaga and Shimizu 1926

†Yabeiceras transiens Kennedy and Wright 1983

Invalid names: Diaziceratinae Basse 1947 [synonym]

Subfm. †Collignoniceratinae Wright and Wright 1951

G. †Cibolaites Cobban and Hook 1983

†Cibolaites africaensis Meister et al. 1992

†Cibolaites molenaari Cobban and Hook 1983

G. †Collignoniceras Breistroffer 1947

†Collignoniceras bravaisianum d'Orbigny 1841

Invalid names: Prionotropis teshioensis Yabe and Shimizu 1925 [synonym], Schloenbachia bakeri Anderson 1902 [synonym]

†Collignoniceras carolinum d'Orbigny 1841

†Collignoniceras jorgenseni Kennedy et al. 2001

†Collignoniceras klamathensis Anderson 1958

†Collignoniceras percarinatum Hall and Meek 1855

†Collignoniceras praecox Haas 1946

†Collignoniceras vermilionense Meek and Hayden 1860

†Collignoniceras woollgari Mantell 1822

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

G. †Collignonicerites Kennedy et al. 2001

†Collignonicerites collisniger Kennedy et al. 2001

G. †Gauthiericeras de Grossouvre 1894

†Gauthiericeras albiforme Klinger and Kennedy 1984

†Gauthiericeras album van Hoepen 1965

†Gauthiericeras boreaui de Grossouvre 1894

†Gauthiericeras libertae van Hoepen 1955

†Gauthiericeras listeri van Hoepen 1965

†Gauthiericeras margae Schlüter 1867

†Gauthiericeras nouelianum d'Orbigny 1850

Invalid names: Gauthiericeras fauremuretae Collignon 1967 [synonym]

†Gauthiericeras obesum van Hoepen 1955

†Gauthiericeras roquei Peron 1896

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

G. †Lecointriceras

†Lecointriceras carinatum Kennedy et al. 1980

†Lecointriceras costatum Kennedy et al. 1980

†Lecointriceras fleuriausianum d'Orbigny 1841

G. †Lymaniceras Matsumoto 1965

G. †Prionocyclites Kennedy 1988

†Prionocyclites mite Kennedy 1988

G. †Prionocycloceras Spath 1926

†Prionocycloceras carvalhoi Howarth 1966

†Prionocycloceras crenulatum Anderson 1902

†Prionocycloceras matsumotoi Futakami 1991

†Prionocycloceras mediotuberculatum Gerhardt 1897

†Prionocycloceras multicostatum Collignon 1965

†Prionocycloceras obatai Futakami 1991

G. †Prionocyclus Meek 1876

†Prionocyclus albinus Fritsch 1872

†Prionocyclus bosquensis Kennedy 1988

†Prionocyclus branneri Anderson 1902

†Prionocyclus californicus Anderson 1958

†Prionocyclus germari Reuss 1845

Invalid names: Ammonites schloenbachi Fritsch 1893 [synonym]

†Prionocyclus hyatti Stanton 1894

Invalid names: Prionotropis eaglensis Adkins 1928 [synonym]

†Prionocyclus macombi Meek 1876

†Prionocyclus novimexicanus Marcou 1858

†Prionocyclus pluricostatus Kennedy et al. 2001

†Prionocyclus quadratus Cobban 1953

†Prionocyclus wyomingensis Meek 1876

Invalid names: Ammonites serratocarinatus Meek 1870 [replaced]

Invalid names: Germariceras Breistroffer 1947 [synonym], Prionocyclus wyomingensis elegans Haas 1946 [synonym]

G. †Reesidites Wright and Matsumoto 1954

†Reesidites lornae van Hoepen 1968

Invalid names: Itwebeoceras van Hoepen 1968 [synonym]

G. †Subprionocyclus

†Subprionocyclus branneri Anderson 1902

Invalid names: Prionotropis casperi Anderson 1958 [synonym], Prionotropis cristatus Billinghurst 1927 [synonym]

†Subprionocyclus hitchinensis Billinghurst 1927

†Subprionocyclus minimus Hayasaka and Fukada 1951

Invalid names: Reesidites elegans Matsumoto and Inoma 1971 [synonym]

†Subprionocyclus neptuni Geinitz 1849

Invalid names: Oregoniceras jillsoni Anderson 1958 [synonym], Schloenbachia knighteni Anderson 1902 [synonym], Schloenbachia oregonensis Anderson 1902 [synonym], Schloenbachia siskiyouensis Anderson 1902 [synonym]

†Subprionocyclus normalis Anderson 1958

Invalid names: Oregoniceras Anderson 1958 [synonym]

G. †Subprionotropis Basse 1950

†Subprionotropis columbianus Basse 1950

Invalid names: Gauthiericeratinae Van Hoepen 1955 [synonym]

Subfm. †Peroniceratinae Hyatt 1900

G. †Ishikariceras Matsumoto 1965

G. †Peroniceras de Grossouvre 1894

Subg. †Peroniceras (Peroniceras) de Grossouvre 1894

Subg. †Peroniceras (Zuluiceras) van Hoepen 1965

Invalid names: Sornayceras Matsumoto 1965 [synonym]

†Peroniceras canaense Gerhardt 1897

†Peroniceras cocchi Meneghini 1885

†Peroniceras czoernigi Redtenbacher 1873

†Peroniceras latelobatum Riedel 1933

†Peroniceras quintoense Anderson 1958

†Peroniceras shastense Anderson 1958

†Peroniceras tehamaense Gabb 1869

Subfm. †Texanitinae Collignon 1948

G. †Aneuretoceras

†Aneuretoceras variabile Kennedy and Cobban 1991

G. †Bevahites

G. †Cryptotexanites Kennedy and Cobban 1993

†Cryptotexanites paedomorphicus Kennedy and Cobban 1993

G. †Defordiceras Young 1963

G. †Menabites Collignon 1948

Subg. †Menabites (Australiella) Collignon 1948

Subg. †Menabites (Bererella) Collignon 1948

Subg. †Menabites (Delawarella) Collignon 1948

Subg. †Menabites (Menabites) Collignon 1948

G. †Neogauthiericeras

†Neogauthiericeras zafimahovai Collignon 1969

G. †Paratexanites

Subg. †Paratexanites (Paratexanites) Collignon 1948

†Paratexanites desmondi de Grossouvre 1894

Invalid names: Paratexanites (Paratexanites) rex Matsumoto 1970 [synonym]

†Paratexanites serratomarginatus Redtenbacher 1873

†Paratexanites zeilleri de Grossouvre 1894

Invalid names: Mortoniceras michelii Mariani 1896 [synonym]

Invalid names: Parabevahites Collignon 1948 [synonym]

G. †Pleurotexanites

G. †Protexanites Matsumoto 1955

Subg. †Protexanites (Protexanites) Matsumoto 1955

†Protexanites thompsoni Jones 1966

G. †Reginaites Reyment 1957

†Reginaites exilis Kennedy and Cobban 1991

†Reginaites gappi Wiedmann 1978

†Reginaites leei Reeside 1927

†Reginaites zulu Klinger and Kennedy 1980

G. †Submortoniceras Spath 1926

†Submortoniceras buttense Anderson 1958

†Submortoniceras chicoense Trask 1856

Invalid names: Mortoniceras (Submortoniceras) buttense Anderson 1902 [synonym], Mortoniceras (Submortoniceras) gabbi Anderson 1902 [synonym], Mortoniceras (Submortoniceras) pentzanum Anderson 1958 [synonym], Mortoniceras (Submortoniceras) randalli Anderson 1958 [synonym], Mortoniceras (Submortoniceras) templetoni Hall and Ambrose 1916 [synonym]

†Submortoniceras punctatum Collignon 1948

†Submortoniceras studleyi Anderson 1958

†Submortoniceras uddeni Young 1963

†Submortoniceras vandaliaense Young 1963

†Submortoniceras woodsi Spath 1921

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

G. †Texanites Spath 1932

†Barroisiceras (Texanites) dentatocarinatum Roemer 1849

Subg. †Texanites (Plesiotexanites) Matsumoto 1970

Subg. †Texanites (Texanites) Spath 1932

†Texanites angolanus Haas 1942

†Texanites dichotomus Collignon 1948

†Texanites hourcqi Collignon 1948

†Texanites kawasakii Kawada 1929

†Texanites quattuornodosus Lasswitz 1904

†Texanites venustus Collignon 1948

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

†Adkinsia bosquensis Böse 1928

Invalid names: Adkinsia adkinsi Böse 1928 [synonym], Adkinsia semiplicata Böse 1928 [synonym], Adkinsia sparsicosta Böse 1928 [synonym], Adkinsia tuberculata Böse 1928 [synonym]

†Adkinsia knikerae Young 1979

G. †Ficheuria Pervinquiére 1910

†Ficheuria kiliani Pervinquiere 1910

†Ficheuria pernoni Dubourdieu 1953

†Ficheuria pusilla Matsumoto and Inoma 1975

†Ficheuria rudelli Dubourdieu 1949

G. †Flickia

†Flickia costellata Collignon 1964

†Flickia quadrata Collignon 1964

†Flickia simplex Pervinquière 1907

Invalid names: Flickia boesei Adkins 1920 [synonym], Flickia pervinquierei Collignon 1929 [synonym]

Subfm. †Salaziceratinae Kennedy and Wright 1984

G. †Neosaynoceras Breistroffer 1947

†Neosaynoceras gazellae Pervinquière 1907

G. †Salaziceras Breistroffer 1936

Subg. †Salaziceras (Noskytes) Scholz 1979

Subg. †Salaziceras (Salaziceras) Breistroffer 1936

†Salaziceras lemoinei Kennedy and Klinger 2008

G. †Zuluscaphites Van Hoepen 1955

†Zuluscaphites helveticus Kennedy and Delamette 1994

†Zuluscaphites orycteropusi Van Hoepen 1955

Invalid names: Huescarites companyi Latil 1990 [synonym], Salaziceras (Salaziceras) breistrofferi Scholz 1979 [synonym]

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 (Leymeriella) germanica Casey 1957

†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

†Lyelliceras escragnollensis Kennedy 2011

†Lyelliceras latili Kennedy and Klinger 2008

†Lyelliceras lyelli d'Orbigny 1841

Invalid names: Collignoniceras (Selwynoceras) gratum van Hoepen 1968 [synonym], Douvilleiceras nodosa Etheridge 1907 [synonym], Lyelliceras cotteri Spath 1930 [synonym]

†Lyelliceras pseudolyelli Parona and Bonarelli 1897

Invalid names: Acanthoceras hirsutum Parona and Bonarelli 1897 [synonym]

†Lyelliceras vaasti Destombes et al. 1973

G. †Pseudobrancoceras Kennedy 2004

†Pseudobrancoceras transiens Kennedy 2004

†Pseudobrancoceras versicostatum Michelin 1838

G. †Tegoceras Hyatt 1903

†Tegoceras benavidescaceresi Etayo Serna 1979

†Tegoceras breistrofferi Robert et al. 2009

†Tegoceras camatteanum d'Orbigny 1841

Invalid names: Tegoceras quadratum Destombes 1977 [synonym], Tegoceras seneberianum Pictet and Roux 1847 [synonym], Tegoceras seunesi Parona and Bonarelli 1896 [synonym]

†Tegoceras collignoni Breistroffer 1953

†Tegoceras maderoense Young 1993

†Tegoceras mosense d'Orbigny 1841

Invalid names: Hoplites gladiator Bayle 1878 [synonym], Tegoceras miles Casey 1978 [synonym]

Invalid names: Rauliniceras Douvillé 1911 [synonym], Seunesiceras Breistroffer 1953 [nomen nudum]

Subfm. †Stoliczkaiellinae Cooper 2012

G. †Metascaphites Wiedmann 1962

†Metascaphites kashaii Szives 2007

†Metascaphites scholzi Szives 2007

†Metascaphites thomasi Pervinquière 1907

Invalid names: Stoliczkaiinae Breistroffer 1953 [replaced]

Fm. †Mojsisovicsiidae Hyatt 1903

Subfm. †Mojsisovicziinae Hyatt 1903

G. †Dipoloceras Hyatt 1900

Subg. †Dipoloceras (Dipoloceras) Hyatt 1900

Subg. †Dipoloceras (Rhytidoceras) Van Hoepen 1931

†Dipoloceras cristatum Brongniart 1822

Invalid names: Dipoloceras fredericksburgense Scott 1928 [synonym]

†Dipoloceras equicostatum Spath 1931

†Dipoloceras pseudaon Spath 1931

†Dipoloceras quadratum Spath 1921

†Dipoloceras rectangulare Spath 1931

†Dipoloceras symmetricum Sowerby 1836

G. †Dipoloceroides Breistroffer 1947

†Dipoloceras (Dipoloceroides) remotum Spath 1931

†Dipoloceras (Dipoloceroides) spinulosum Spath 1931

†Dipoloceras (Dipoloceroides) subdelaruei Spath 1931

†Dipoloceroides cornutum Pictet 1847

†Dipoloceroides delaruei d'Orbigny 1841

†Dipoloceroides semicornutum Spath 1931

G. †Falloticeras Parona and Bonarelli 1897

†Falloticeras proteus d'Orbigny 1842

G. †Mirapelia Cooper 1982

†Mirapelia buarquianum White 1887

Invalid names: Oxytropidoceras douglasi Knechtel 1947 [synonym], Oxytropidoceras involutum Beurlen 1952 [synonym]

†Oxytropidoceras (Mirapelia) colcanapi Collignon 1936

†Oxytropidoceras (Mirapelia) evansi Spath 1929

†Oxytropidoceras (Mirapelia) hourcqi Collignon 1936

†Oxytropidoceras (Mirapelia) mirapelianum d'Orbigny 1850

†Oxytropidoceras (Mirapelia) packardi Anderson 1938

†Oxytropidoceras (Mirapelia) sergipense White 1887

Invalid names: Oxytropidoceras (Androiavites) mauryae Beurlen 1970 [synonym]

G. †Mojsisovicsia Steinmann 1881

†Mojsisovicsia ventanillensis Gabb 1877

Invalid names: Mojsisovicsia duerfeldi Steinmann 1881 [synonym], Mojsisoviczia duerfeldi Steinmann 1881 [synonym]

G. †Mortoniceratoides Cooper 1982

†Mortoniceratoides rigidum Spath 1933

G. †Oxytropidoceras Stieler 1920

Subg. †Oxytropidoceras (Adkinsites) Spath 1931

Invalid names: Oxytropidoceras (Androiavites) Collignon 1936 [synonym]

Subg. †Oxytropidoceras (Benavidesites) Cooper 1982

Subg. †Oxytropidoceras (Manuaniceras) Spath 1925

Subg. †Oxytropidoceras (Oxytropidoceras) Stieler 1920

Subg. †Oxytropidoceras (Venezoliceras) Spath 1925

Invalid names: Lophoceras van Hoepen 1931 [synonym], Tarfayites Collignon 1977 [synonym]

†Oxytropidoceras aroeirium Maury 1936

†Oxytropidoceras carbonarium Gabb 1877

†Oxytropidoceras howei Maury 1936

†Oxytropidoceras peruvianum von Buch 1839

†Oxytropidoceras roissyanus d'Orbigny 1841

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

†Hourcquia mirabilis Collignon 1965

Invalid names: Hourcquia antsakoazatensis Collignon 1965 [synonym], Hourcquia ingens Collignon 1965 [synonym]

G. †Masiaposites

†Masiaposites kennedyi Amédro and Devalque 2014

Subfm. †Pseudotissotiinae Hyatt 1903

G. †Bageites Zaborski 1998

†Bageites bakui Zaborski 1998

G. †Choffaticeras Hyatt 1903

Subg. †Choffaticeras (Choffaticeras) Hyatt 1903

Subg. †Choffaticeras (Leoniceras) Douvillé 1912

†Pseudotissotia (Choffaticeras) koeneni Riedel 1933

†Pseudotissotia (Choffaticeras) pavillieri Pervinquière 1907

G. †Donenriquoceras Wiedmann 1960

†Donenriquoceras forbesiceratiforme Wiedmann 1960

G. †Pseudotissotia Peron 1887

Subg. †Pseudotissotia (Pseudotissotia) Peron 1897

†Pseudotissotia galliennei d'Orbigny 1850

†Pseudotissotia nigeriensis Woods 1911

Invalid names: Pseudotissotia gabonensis Lombard 1930 [synonym]

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

†Gombeoceras gongilense compressum Barber 1957

†Gombeoceras gongilense costatum Barber 1957

†Gombeoceras gongilense crassicostatum Barber 1957

†Gombeoceras gongilense inflatum Barber 1957

†Gombeoceras gongilense lautum Barber 1957

†Gombeoceras gongilense tectiforme Barber 1957

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

†Eulophoceras austriacum Summesberger 1979

†Eulophoceras bererense Hourcq 1949

Invalid names: Eulophoceras besairiei Hourcq 1949 [synonym], Eulophoceras manambolense Hourcq 1949 [synonym], Eulophoceras miloni Hourcq 1949 [synonym]

†Eulophoceras natalense Hyatt 1903

Invalid names: Pelecodiscus amapondensis Van Hoepen 1921 [synonym], Pelecodiscus capensis Van Hoepen 1921 [synonym], Pelecodiscus umzambiensis Van Hoepen 1921 [synonym], Spheniscoceras africanum Spath 1921 [synonym], Spheniscoceras minor Spath 1921 [synonym], Spheniscoceras tenue Spath 1921 [synonym]

Invalid names: Eulophoceras grossouvrei Collignon 1983 [nomen dubium], Pelecodiscus Van Hoepen 1921 [synonym], Praelibycoceras Douvillé 1912 [synonym], Skoumalia Summesberger 1979 [synonym], Spheniscoceras Spath 1921 [synonym]

G. †Lenticeras Gerhardt 1898

†Lenticeras baltai Lissón 1908

G. †Paralenticeras Hyatt 1900

†Paralenticeras caneroti Collignon 1983

†Paralenticeras leonhardianum Karsten 1856

†Paralenticeras sieversi Gerhardt 1897

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

†Daradiceras gignouxi 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

†Sphenodiscus lenticularis splendens Hyatt 1903

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

†Tissotioides (Tissotioides) haplophyllus Redtenbacher 1873

Invalid names: Buchiceras nardini Fallot 1885 [synonym]

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

†Hemitissotia alpina Wiedmann 1979

†Hemitissotia batnensis Peron 1897

†Hemitissotia cazini Peron 1897

†Hemitissotia ceadouroensis Choffat 1898

Invalid names: Hemitissotia celtiberica Wiedmann 1978 [synonym]

†Hemitissotia dullai Karrenberg 1935

†Hemitissotia galleppei Pervinquiere 1935

†Hemitissotia lenticeratiformis Wiedmann 1978

†Hemitissotia morreni Coquand 1862

†Hemitissotia randoi Gerth 1961

†Hemitissotia tissotiaeformis Peron 1897

†Hemitissotia turzoi Karrenberg 1935

Invalid names: Plesiotissotia cantabria Karrenberg 1935 [synonym]

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

†Fagesia catinus Mantell 1822

Invalid names: Fagesia californica Anderson 1931 [synonym], Fagesia haarmanni Böse 1918 [synonym], Fagesia shastensis Anderson 1931 [synonym], Vascoceras (Pachyvascoceras) bernonense Faraud 1940 [synonym], Vascoceras moultoni Reeside 1923 [synonym], Vascoceras stantoni Reeside 1923 [synonym], Vascoceras thomi Reeside 1923 [synonym]

†Fagesia fleuryi Pervinquiére 1907

†Fagesia involuta Barber 1957

†Fagesia mortzestus Barroso-Barcenilla and Goy 2009

†Fagesia pachydiscoides Spath 1925

†Fagesia peroni Pervinquiére 1907

Invalid names: Fagesia levis Renz 1982 [synonym]

†Fagesia pervinquieri Böse 1920

†Fagesia rudra Stoliczka 1865

†Fagesia siskiyouensis Anderson 1931

†Fagesia superstes Kossmat 1897

†Fagesia tevesthensis Peron 1896

Invalid names: Ammonites kotoi Yabe 1904 [synonym]

Invalid names: Ammonites boucheroni Coquand 1859 [nomen dubium], Plesiovascoceras Spath 1926 [synonym]

G. †Infabricaticeras Cobban et al. 1989

†Infabricaticeras lunaense Cobban et al. 1989

G. †Neoptychites Kossmat 1895

Subg. †Neoptychites (Neoptychites) Kossmat 1895

†Neoptychites cephalotus Courtiller 1860

Invalid names: Ammonites santonensis d'Orbigny 1850 [replaced], Ammonites xetra Stoliczka 1865 [synonym], Neoptychites crassus Solger 1904 [synonym], Neoptychites gourguechoni Pervinquiere 1907 [synonym], Neoptychites telinga Stolickza 1865 [synonym], Neoptychites telingaeformis Solger 1904 [synonym], Neoptychites transitorius Renz 1982 [synonym], Neoptychites xetriformis Pervinquiére 1907 [synonym], Pachydiscus africanus Peron 1889 [synonym], Pulchellia perovalis von Koenen 1897 [synonym]

†Neoptychites hottingeri Collignon 1967

Invalid names: Betiokytes Collignon 1965 [synonym]

G. †Vascoceras Choffat 1898

†Vascoceras amieirense Choffat 1898

†Vascoceras barcoicense Choffat 1898

†Vascoceras birchbyi Cobban and Scott 1972

†Vascoceras bulbosum Reyment 1954

†Vascoceras cauvini Chudeau 1909

Invalid names: Broggiiceras humboldti Benavides-Caceres 1956 [synonym], Broggiiceras olssoni Benavides-Caceres 1956 [synonym], Paravascoceras rumeaui Collignon 1957 [synonym], Vascoceras (Pachyvascoceras) crassum Furon 1935 [synonym], Vascoceras (Paracanthoceras) chevalieri Furon 1935 [synonym], Vascoceras (Paravascoceras) chevalieri Furon 1935 [synonym]

†Vascoceras charoni Barroso-Barcenilla and Goy 2010

†Vascoceras depressum Barber 1957

†Vascoceras durandi Thomas and Peron 1889

Invalid names: Vascoceras douvillei Choffat 1898 [synonym]

†Vascoceras ellipticum Barber 1957

†Vascoceras gamai Choffat 1898

Invalid names: Vascoceras adonensis Choffat 1898 [synonym], Vascoceras grossouvrei Choffat 1898 [synonym], Vascoceras mundae Choffat 1898 [synonym]

†Vascoceras glabrum Barber 1957

Invalid names: Nigericeras costatum Barber 1957 [synonym]

†Vascoceras globosum Reyment 1954

†Vascoceras harttii Hyatt 1870

†Vascoceras kossmati Choffat 1898

Invalid names: Vascoceras harttiformis Choffat 1898 [synonym]

†Vascoceras obscurum Barber 1957

†Vascoceras polygonum Barber 1957

†Vascoceras proprium Reyment 1954

Invalid names: Paravascoceras compressum Barber 1957 [synonym], Paravascoceras costatum Reyment 1954 [synonym]

†Vascoceras robustum Barber 1957

†Vascoceras silvanense Choffat 1898

†Vascoceras simplex Barber 1957

†Vascoceras venezolanum Renz 1982

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

†Aspidoceras acanthicum Oppel 1863

†Aspidoceras alamitocense Aguliera 1895

†Aspidoceras andinum Steuer 1897

Invalid names: Aspidoceras quemadense Burckhardt 1906 [synonym]

†Aspidoceras apenninicum Zittel 1869

†Aspidoceras atavum Oppel 1863

†Aspidoceras binodiferum Waagen 1875

†Aspidoceras binodum Quenstedt 1847

†Aspidoceras caletanum Oppel 1863

†Aspidoceras catalaunicum Loriol 1872

†Aspidoceras euomphalum Steuer 1897

†Aspidoceras haupti Krantz 1928

†Aspidoceras haynaldi Herbich 1868

†Aspidoceras iphiceroides Waagen 1875

†Aspidoceras iphicerum Oppel 1863

†Aspidoceras irregulare Dacque 1905

†Aspidoceras longispinum Sowerby 1825

†Aspidoceras monacanthum Waagen 1875

†Aspidoceras ponderosum Waagen 1875

†Aspidoceras rafaeli Oppel 1863

†Aspidoceras raspailii d'Orbigny 1850

†Aspidoceras rogoznicense Zeuschner 1846

Invalid names: Aspidoceras spinosum Collignon 1959 [synonym]

†Aspidoceras sesquinodosum Fontannes 1876

†Aspidoceras somalicum Dacque 1905

†Aspidoceras sparsispinum Waagen 1875

†Aspidoceras subdistractum Waagen 1875

†Aspidoceras supraspinosum Dacque 1905

†Aspidoceras taverai Checa 1985

†Aspidoceras tenuispinatum Waagen 1875

†Aspidoceras wynnei Waagen 1875

G. †Chinamecaceras Cantu-Chapa 2006

†Chinamecaceras maldonadoi Cantu-Chapa 2006

G. †Cubaspidoceras Myczynski 1976

†Cubaspidoceras carribeanum Myczynski 1976

G. †Epaspidoceras

G. †Extranodites Jeannet 1951

†Extranodites cailleti Petitclerc 1917

†Extranodites erardae Collignon 1949

†Extranodites knechti Jeannet 1951

†Extranodites mairei Jeannet 1951

†Extranodites mandatum Jeannet 1951

G. †Glabrophysodoceras

G. †Intranodites Jeannet 1951

†Intranodites muehlbergi Jeannet 1951

G. †Neaspidoceras Spath 1931

†Neaspidoceras favrei de Riaz 1898

†Neaspidoceras inaequispinosum Jeannet 1951

G. †Orthaspidoceras

†Orthaspidoceras lallierianum d'Orbigny 1850

†Orthaspidoceras liparum Oppel 1863

†Orthaspidoceras orthocera d'Orbigny 1850

†Orthaspidoceras schilleri Oppel 1863

†Orthaspidoceras uhlandi Oppel 1863

G. †Pseudowaagenia

†Pseudowaagenia micropla Oppel 1863

G. †Schaireria Checa 1985

†Schaireria avellanum Zittel 1870

†Schaireria episa Oppel 1863

†Schaireria longaeva Checa 1985

†Schaireria neoburgensis Oppel 1863

†Schaireria neumayri Checa 1985

†Schaireria pipini Oppel 1863

G. †Simaspidoceras

†Simaspidoceras argobbae Dacque 1905

Invalid names: Physodoceratinae Schindewolf 1925 [synonym]

Subfm. †Epipeltoceratinae Donovan et al. 1981

G. †Epipeltoceras

†Epipeltoceras berrense Favre 1876

†Epipeltoceras bimammatus Quenstedt 1857

†Epipeltoceras semimammatum Quenstedt 1885

Subfm. †Euaspidoceratinae Zittel 1895

G. †Euaspidoceras Spath 1931

†Aspidoceras (Euaspidoceras) ajax Leanza 1947

Subg. †Euaspidoceras (Clambites)

†Euaspidoceras aculeatum Jeannet 1951

†Euaspidoceras ajax Leanza 1947

†Euaspidoceras babeaui d'Orbigny 1848

†Euaspidoceras biarmatum Zieten 1833

†Euaspidoceras biplicatum Jeannet 1951

†Euaspidoceras chilense Leanza 1947

†Euaspidoceras davouxi Bert and Bonnot 2004

†Euaspidoceras depereti Collot 1917

†Euaspidoceras douvillei Collot 1917

†Euaspidoceras falloti Collignon 1959

†Euaspidoceras ferrugineum Jeannet 1951

†Euaspidoceras freii Jeannet 1951

Invalid names: Euaspidoceras (Arcaspidoceras) frickense Jeannet 1951 [synonym], Euaspidoceras (Arcaspidoceras) spathi Jeannet 1951 [synonym], Euaspidoceras bidentiformis Jeannet 1951 [synonym], Euaspidoceras elegans Jeannet 1951 [synonym], Euaspidoceras hantkei Jeannet 1951 [synonym], Euaspidoceras hirsutiformis Jeannet 1951 [synonym]

†Euaspidoceras hirsutum Bayle 1878

†Euaspidoceras kobyi Jeannet 1951

†Euaspidoceras mahabense Collignon 1959

†Euaspidoceras nikitini Borrisjak 1908

†Euaspidoceras oegir Oppel 1863

†Euaspidoceras ovale Neumann 1907

Invalid names: Extranodites lusitaniformis Jeannet 1951 [synonym]

†Euaspidoceras perarmatum Sowerby 1822

†Euaspidoceras radisense d'Orbigny 1850

†Euaspidoceras raynaudi Bonnot 1996

†Euaspidoceras spinigerum Jeannet 1951

†Euaspidoceras subbabeanum Sintzov 1888

†Euaspidoceras tarapacaense Parent 2006

†Euaspidoceras vendegiesi Collignon 1959

†Euaspidoceras veranadaense Parent 2006

†Euaspidoceras waageni Spath 1931

Invalid names: Euaspidoceras (Arcaspidoceras) Jeannet 1951 [invalid subgroup]

G. †Paraspidoceras

†Paraspidoceras colloti Zeiss 1962

†Paraspidoceras edwardsianum d'Orbigny 1848

†Paraspidoceras meriani Oppel 1863

†Paraspidoceras rupellensis d'Orbigny 1850

Subfm. †Hybonoticeratinae Olóriz 1978

G. †Hybonoticeras Breistroffer 1947

†Hybonoticeras beckeri Neumayer 1873

Invalid names: Waagenia ornata Spath 1931 [synonym]

†Hybonoticeras hybonotus Oppel 1863

G. †Hypowaagenia Schweigert and Schlampp 2020

†Hypowaagenia bodenbenderi Behrendsen 1892

Subfm. †Peltoceratinae Spath 1924

G. †Gregoryceras

†Gregoryceras devauxi Bert and Enay 2004

†Gregoryceras fouquei Kilian 1889

†Gregoryceras transversarium Quenstedt 1847

G. †Parapeltoceras

†Parapeltoceras annulosum Quenstedt 1887

†Parapeltoceras oblongum Quenstedt 1887

G. †Peltoceras

Subg. †Peltoceras (Metapeltoceras)

Subg. †Peltoceras (Peltoceras) Waagen 1871

Subg. †Peltoceras (Peltomorphites)

†Peltoceras aegoceroides Waagen 1875

†Peltoceras berckhemeri Prieser 1937

†Peltoceras bidens Waagen 1875

†Peltoceras constrictum Burckhardt 1927

†Peltoceras convexum Hillebrandt 1995

†Peltoceras cricotum Burckhardt 1927

†Peltoceras kachhense Spath 1931

†Peltoceras metamorphicum Spath 1931

†Peltoceras modeli Peiser 1937

†Peltoceras monacanthum Burckhardt 1927

†Peltoceras neogaeum Burckhardt 1927

†Peltoceras occidentale Whiteaves 1907

†Peltoceras oeschingense Prieser 1937

†Peltoceras propinquum Waagen 1875

†Peltoceras semirugosum Waagen 1875

†Peltoceras subtense Leckenby 1859

†Peltoceras trifidum Quenstedt 1887

G. †Peltoceratoides

Subg. †Peltoceratoides (Parawedekindia)

Subg. †Peltoceratoides (Peltoceratoides) Spath 1924

†Peltoceratoides ballenaensis Hillebrandt 1995

†Peltoceratoides elisabethae Jeannet 1951

†Peltoceratoides eugenii Raspail 1842

†Peltoceratoides inconstans Uhlig 1881

†Peltoceratoides interscissus Uhlig 1881

†Peltoceratoides nodopetens Uhlig 1881

†Peltoceratoides pressulus Leanza 1947

G. †Peltoraspailites Jeannet 1951

†Peltoraspailites argoviensis Jeannet 1951

†Peltoraspailites carolinae Jeannet 1951

G. †Prieserites Jeannet 1951

†Prieserites jboehmi Kegel 1916

G. †Pseudogregoryceras Jeannet 1951

†Pseudogregoryceras iteni Jeannet 1951

†Pseudogregoryceras tiechei Jeannet 1951

G. †Raspailites Jeannet 1951

†Raspailites dunensis Prieser 1937

G. †Rursiceras

†Rursiceras pseudotorosum Prieser 1937

†Rursiceras reversum Leckenby 1859

G. †Unipeltoceras Jeannet 1951

†Unipeltoceras katharinae Jeannet 1951

†Unipeltoceras unispinosum Quenstedt 1847

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

†Simocosmoceras pszczolkowskii apulcoensis Villaseñor et al. 2003

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)

†Sutneria (Enosphinctes) batalleri Geyer 1963

†Sutneria (Enosphinctes) eumela d'Orbigny 1850

†Sutneria (Enosphinctes) hararina Venzo 1959

†Sutneria (Enosphinctes) hoelderi Zeiss 1979

†Sutneria (Enosphinctes) lorioli Zeiss 1979

†Sutneria (Enosphinctes) pedinopleura Seeger 1961

†Sutneria (Enosphinctes) subeumela Schneid 1915

†Sutneria (Enosphinctes) weidmanni Zeiss 1979

†Sutneria (Enosphinctes) zeissi Grigore 2009

Subg. †Sutneria (Sutneria) Zittel 1884

†Sutneria (Sutneria) carpathica Grigore 2009

†Sutneria (Sutneria) cyclodorsata Moesch 1867

†Sutneria (Sutneria) platynota Reinecke 1818

†Sutneria (Sutneria) spinata Grigore 2009

†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

Subg. †Deshayesites (Kuntziella) Collignon 1962

†Deshayesites boegvadi Rosenkrantz 1934

†Deshayesites butleri Stoyanow 1949

†Deshayesites columbianus Riedal 1938

†Deshayesites deshayesi d'Orbigny 1841

Invalid names: Deshayesites mirabilis Casey 1963 [synonym], Deshayesites planus Casey 1963 [synonym]

†Deshayesites grandis Spath 1930

†Deshayesites multicostatus Swinnerton 1935

†Deshayesites nodosus Riedal 1938

†Deshayesites rotundatus Riedal 1938

†Deshayesites temerarius Stoyanow 1949

G. †Dufrenoyia Kilian and Reboul 1915

†Dufrenoyia codazziana Karsten 1886

†Dufrenoyia dufrenoyi d'Orbigny 1840

†Dufrenoyia furcata Sowerby 1836

†Dufrenoyia justinae Hill 1893

†Dufrenoyia katalinae Szives 2007

G. †Prodeshayesites

†Prodeshayesites bodei von Koenen 1902

†Prodeshayesites laeviusculus von Koenen 1902

Subfm. †Mathoceratinae Casey 1963

G. †Cloioceras

G. †Mathoceras Casey 1963

†Mathoceras caribense Renz 1978

†Mathoceras celestinae Barragán and Szives 2007

†Mathoceras laeve Renz 1978

†Mathoceras matho Pervinquiére 1907

†Mathoceras neoleonensis Barragán and Szives 2007

†Mathoceras sucre Renz 1978

†Mathoceras sumerensis Stoykova 1990

†Mathoceras venezolanum Renz 1978

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

†Diadochoceras hokodzense Mikhailova 1963

†Diadochoceras ilonense Collignon 1962

†Diadochoceras margariti Mikhailova 1963

†Diadochoceras nodosocostatiforme Shimizu 1931

†Diadochoceras nodosocostatum d'Orbigny 1841

†Diadochoceras spinosum Mikhailova 1963

Invalid names: Nodosohoplites [synonym]

G. †Kazanskyella Stoyanow 1949

†Kazanskyella minima Scott 1940

Invalid names: Kazanskyella arizonica Stoyanow 1949 [synonym]

†Kazanskyella spathi Stoyanow 1949

Invalid names: Sinzowiella Stoyanow 1949 [synonym]

G. †Parahoplites Anthula 1899

†Parahoplites dallasi Anderson 1938

†Parahoplites dechyi Papp 1907

†Parahoplites inaensis Matsukawa 2021

†Parahoplites irregularis Casey 1965

†Parahoplites macfarlandi Anderson 1938

†Parahoplites melchioris Anthula 1899

†Parahoplites multicostatus Sinzow 1908

†Parahoplites nutfieldiensis Sowerby 1815

†Parahoplites robustus Sinzow 1907

†Parahoplites scharfi Anderson 1938

†Parahoplites sjogreni Anthula 1899

†Parahoplites stantoni Anderson 1938

†Parahoplites tenuicostatus Sinzow 1907

†Parahoplites transitans Sinzow 1908

G. †Quitmanites Scott 1940

†Quitmanites ceratitosus Scott 1940

†Quitmanites fosteri 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

†Ammonites beudanti mitchelli Etheridge 1872

Subg. †Beudanticeras (Beudanticeras) Hitzel 1902

†Beudanticeras (Beudanticeras) convergens Jacob 1908

†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

†Barremites balkanicus Manolov 1975

†Barremites difficilis d'Orbigny 1840

†Barremites primitivus Cecca et al. 1998

†Barremites psilotatus Uhlig 1883

†Barremites rebouli Kilian 1910

†Barremites vocontius Lory and Sayn 1896

G. †Barremitites Avram 1997

†Barremitites hemiptychum Kilian 1889

†Barremitites neagui Avram 1997

†Barremitites panae Avram 1997

†Barremitites strettostoma Uhlig 1883

†Barremitites transitorius Avram 1997

G. †Kostovites Breskovski 1977

G. †Mogharaeceras Breistroffer 1940

†Mogharaeceras priscum Douvillé 1916

G. †Montanesiceras Breskovski 1977

†Montanesiceras breskovskii Vasicek et al. 2013

†Montanesiceras dimboviciorensis Breskovski 1966

G. †Patruliusiceras Avram 1978

†Patruliusiceras crenelatum Avram 1978

G. †Plesiospitidiscus

†Plesiospitidiscus boljetinensis Vasicek et al. 2013

†Plesiospitidiscus breskovskii Cecca et al. 1998

†Plesiospitidiscus subdifficilis Karakasch 1907

G. †Subsaynella Spath 1923

†Subsaynella boyaceansis Haas 1960

†Subsaynella sayni Paquier 1901

G. †Torcapella

†Torcapella serbiensis Vasicek et al. 2013

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

†Burckhardtites ehlersi Humphrey 1949

†Burckhardtites nazasensis Burckhardt 1925

G. †Damesites Matsumoto 1942

†Damesites ainuanus Matsumoto 1957

†Damesites damesi Jimbo 1894

†Damesites hetonaiensis Matsumoto 1942

Invalid names: Neokotoceras fresnoense Anderson 1958 [synonym]

†Damesites laticarinatus Saito and Matsumoto 1956

†Damesites semicostatus Matsumoto 1942

†Damesites sugata Forbes 1846

Invalid names: Desmoceras compactum van Hoepen 1921 [synonym], Kotoceras frazierense Anderson 1958 [synonym], Kotoceras richardsoni Anderson 1958 [synonym], Kotoceras subsugatum Anderson 1958 [synonym]

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

G. †Desmoceras Zittel 1884

Subg. †Desmoceras (Desmoceras) Zittel 1884

Subg. †Desmoceras (Pseudouhligella) Matsumoto 1938

†Desmoceras chimuense Benavides-Caceres 1956

†Desmoceras hoffmanni Gabb 1864

†Desmoceras inane Stoliczka 1865

†Desmoceras kossmati Matsumoto 1942

†Desmoceras planorbiforme Böhm 1891

†Desmoceras pseudinane Shimizu 1935

†Desmoceras voyi Anderson 1902

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

G. †Desmophyllites Spath 1829

†Desmophyllites diphylloides Forbes 1846

Invalid names: Ammonites selwynianus Whiteaves 1879 [synonym], Desmoceras crassum Van Hoepen 1921 [synonym], Desmoceras phyllimorphum Kossmat 1898 [synonym], Desmoceras salsense de Grossouvre 1901 [synonym], Desmoceras simplex Van Hoepen 1921 [synonym], Desmophyllites siskiyouensis Anderson 1958 [synonym], Desmophyllites yoloensis Anderson 1958 [synonym], Schlueteria woodsi Spath 1921 [synonym]

†Desmophyllites larteti Seunes 1891

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

G. †Microdesmoceras Matsumoto 1972

G. †Moremanoceras Cobban 1972

†Moremanoceras costatum Cobban et al. 1989

†Moremanoceras elgini Young 1958

†Moremanoceras flexuosum Kennedy 2005

†Moremanoceras montanaense Kennedy and Cobban 1990

†Moremanoceras scotti Moreman 1942

†Moremanoceras straini Kennedy et al. 1988

G. †Onitshoceras Reyment 1954

†Onitshoceras matsumotoi Reyment 1954

†Onitshoceras ponsianum de Grossouvre 1894

G. †Tragodesmoceroides Matsumoto 1942

†Tragodesmoceroides subcostatus Matsumoto 1942

Subfm. †Hauericeratinae Matsumoto 1938

G. †Hauericeras de Grossouvre 1894

Subg. †Hauericeras (Gardeniceras) Matsumoto and Obate 1955

Subg. †Hauericeras (Hauericeras) de Grossouvre 1894

†Hauericeras fayoli de Grossouvre 1894

†Hauericeras rembda Forbes 1846

Invalid names: Ammonites durga Forbes 1846 [synonym], Hauericeras churchi Anderson 1958 [synonym]

†Hauericeras sulcatum Kner 1848

†Hauericeras transitionale Waring 1917

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

G. †Mossamedites Cooper 2003

†Mossamedites serratocarinatus Kennedy and Cobban 1988

Subfm. †Pseudosaynellinae Casey 1961

G. †Pseudosaynella Spath 1923

†Pseudosaynella bicurvata Michelin 1838

†Pseudosaynella fimbriata Imlay 1945

Subfm. †Puzosiinae Spath 1922

G. †Abrytusites Nikolov and Brekoviski 1969

†Abrytusites julianyi Honnorat-Bastide 1890

†Abrytusites neumayri Haug 1889

†Abrytusites thieuloyi Vasicek and Michalik 1986

G. †Callizoniceras

G. †Feruglioceras Leanza 1968

†Feruglioceras piatnitzkyi Leanza 1968

G. †Grandidiericeras

†Grandidiericeras corrugatum Kennedy and Klinger 2011

G. †Jimboiceras

†Jimboiceras mihoense Matsumoto 1954

†Jimboiceras planulatiforme Jimbo 1894

Invalid names: Puzosia (Eocanadoceras) hannai Anderson 1958 [synonym]

†Jimboiceras reyi Collignon 1983

Invalid names: Eocanadoceras Anderson 1958 [synonym]

G. †Kennicottia Imlay 1959

†Kennicottia bifurcata Imlay 1959

†Kennicottia rugosa Imlay 1960

G. †Kitchinites Spath 1922

Subg. †Kitchinites (Kitchinites) Spath 1922

Subg. †Kitchinites (Neopuzosia) Matsumoto 1954

†Kitchinites angolaensis Howarth 1965

†Kitchinites darwini Steinmann 1895

†Kitchinites ifrimae Salazar et al. 2010

†Kitchinites pondicherryanus Kossmat 1897

†Kitchinites spathi Henderson and McNamara 1985

†Kitchinites spengleri Kennedy 1999

†Kitchinites stenomphalus Summesberger 1979

†Kitchinites vicentensis Salazar et al. 2010

G. †Lytodiscoides

G. †Melchiorites Spath 1923

†Melchiorites cassidoides Uhlig 1883

†Melchiorites emerici Raspail 1831

†Melchiorites haugi Kilian 1910

†Melchiorites indigenes Anderson 1938

†Melchiorites melchioris Tietze 1872

†Melchiorites shastensis Anderson 1938

G. †Mesopuzosia Matsumoto 1954

†Mesopuzosia densicostata Matsumoto 1954

†Mesopuzosia gaudama Forbes 1846

†Mesopuzosia indopacifica Kossmat 1898

Invalid names: Puzosia (Parapuzosia) hearni Anderson 1958 [synonym], Puzosia eboroensis Collignon 1961 [synonym]

†Mesopuzosia intermedia Kossmat 1898

†Mesopuzosia mobergi de Grossouvre 1894

Invalid names: Puzosia curvatisulcata Chatwin and Withers 1909 [synonym], Puzosia gaudemarisi Roman and Mazerin 1913 [synonym]

†Mesopuzosia pacifica Matsumoto 1954

Invalid names: Puzosia (Parapuzosia) klamathonae Anderson 1958 [synonym]

†Mesopuzosia yubarense Jimbo 1894

G. †Oiophyllites Spath 1953

†Oiophyllites angolaensis Spath 1953

†Oiophyllites decipiens Spath 1953

G. †Pachydesmoceras Spath 1922

†Pachydesmoceras denisonianum Stoliczka 1865

†Pachydesmoceras kamerunense von Koenen 1898

†Pachydesmoceras kossmati Matsumoto 1987

†Pachydesmoceras linderi de Grossouvre 1894

†Pachydesmoceras maroccanum Collignon 1966

†Pachydesmoceras pachydiscoide Matsumoto 1954

Invalid names: Pachydiscus rosewoodensis Anderson 1958 [synonym]

G. †Parapuzosia Nowak 1913

Subg. †Parapuzosia (Austiniceras) Spath 1922

Subg. †Parapuzosia (Parapuzosia) Nowak 1913

†Parapuzosia americana Scott and Moore 1928

†Parapuzosia bosei Scott and Moore 1928

†Parapuzosia bradyi Miller and Youngquist 1946

†Puzosia (Parapuzosia) hindsi Anderson 1958

G. †Pseudohaploceras Hyatt 1900

†Pseudohaploceras jacobi Burckhardt 1925

†Pseudohaploceras liptoviensis Zeuschner 1856

Invalid names: Arctocephalites (Cranocephalites) hulinense Wang 1983 [synonym], Arctocephalites peideense Liang 1982 [synonym], Desmoceras aguilerae Böse 1923 [synonym], Desmoceras alzatei Böse 1923 [synonym], Desmoceras burckhardti Böse 1923 [synonym], Desmoceras durangense Böse 1923 [synonym], Desmoceras flexicostata Böse 1923 [synonym], Desmoceras sparsicosta Böse 1923 [synonym], Desmoceras symonense Böse 1923 [synonym], Desmoceras tenuicostatum Böse 1923 [synonym], Desmoceras wielandi Böse 1923 [synonym], Lobokosmoceras peideense Liang 1982 [synonym], Morphoceras longzhaogouense Liang 1982 [synonym]

†Pseudohaploceras matheroni d'Orbigny 1840

†Pseudohaploceras nipponicum Shimizu 1931

†Pseudohaploceras portaeferreae Tietze 1872

†Pseudohaploceras reesidei Humphrey 1949

†Pseudohaploceras tachthaliae Tietze 1872

G. †Pseudosilesites Egoian 1969

†Pseudosilesites russoi Leanza 1970

†Pseudosilesites seranoniformis Egoian 1969

Invalid names: Pseudosilesites akushensis Michailova 1972 [synonym]

G. †Puzosia Bayle 1878

Subg. †Puzosia (Anapuzosia) Matsumoto 1954

Subg. †Puzosia (Bhimaites) Matsumoto 1954

Subg. †Puzosia (Latidorsella) Jacob 1907

Subg. †Puzosia (Puzosia) Bayle 1878

†Puzosia alaskana Imlay 1960

†Puzosia aldersona Anderson 1938

†Puzosia ambigua Matsumoto 1954

†Puzosia angladei Savn 1890

†Puzosia bistricta White 1887

Invalid names: Puzosia garajauana Maury 1936 [synonym], Puzosia rosarica Maury 1936 [synonym], Puzosia welwitschi Choffat 1888 [synonym]

†Puzosia brasiliana Maury 1936

†Puzosia crebrisulcata Kossmat 1898

†Puzosia cuvervillei Meunier 1888

†Puzosia diadema Anderson 1938

†Puzosia hoffmanni Gabb 1864

Invalid names: Desmoceras dilleri Anderson 1902 [synonym]

†Puzosia intermedia Kossmat 1898

†Puzosia lata Seitz 1931

†Puzosia longmani Whitehouse 1926

†Puzosia media Seitz 1931

†Puzosia nipponica Matsumoto 1954

†Puzosia nolani Fallot 1910

†Puzosia octosulcata Sharpe 1853

†Puzosia puma Murphy and Rodda 1960

†Puzosia quenstedti Parona and Bonarelli 1897

†Puzosia skidegatensis McLearn 1972

†Puzosia spathi Venzo 1936

†Puzosia subquadrata Anderson 1902

†Puzosia sullivanae Murphy and Rodda 1960

†Puzosia tenuis Haas 1942

G. †Umsinenoceras Kennedy et al. 1979

†Umsinenoceras cardielense Medina and Riccardi 2005

†Umsinenoceras linguatuberculatum Kennedy et al. 1979

G. †Valdedorsella Breistroffer 1947

†Valdedorsella akuschaensis Anthula 1899

†Valdedorsella falcistriata Anthula 1899

Invalid names: Valdedorsella nunesi Henriques da Silva 1962 [synonym]

†Valdedorsella getulina Coquand 1880

†Valdedorsella haugi Breskovski 1966

†Valdedorsella uhligi Breskovski 1966

†Valdedorsella whiteavesi Imlay 1960

Invalid names: Weavericeras [synonym]

Subfm. †Silesitoidinae Breistroffer 1953

G. †Parasilesites Imlay 1959

†Parasilesites bullatus Imlay 1959

†Parasilesites irregularis Imlay 1960

†Parasilesites kilianiformis Fallot 1910

†Parasilesites laperousianus Whiteaves 1876

G. †Silesitoides

†Silesitoides escragnollensis Jacob 1908

†Silesitoides superstes Jacob 1908

Subfm. †Uhligellinae Latil et al. 2023

G. †Boliteceras Whitehouse 1928

†Boliteceras daintree Etheridge 1872

†Boliteceras perlatum Whitehouse 1928

G. †Brewericeras Casey 1954

†Brewericeras breweri Gabb 1864

†Brewericeras hulenense Anderson 1938

G. †Cophinoceras Whitehouse 1928

†Cophinoceras ogilviei Whitehouse 1928

Invalid names: Beudantiella Breistroffer 1947 [synonym]

G. †Grantziceras Imlay 1960

†Grantziceras affine Whiteaves 1892

Invalid names: Beudanticeras (Grantziceras) multiconstrictum Imlay 1960 [synonym]

†Grantziceras glabrum Whiteaves 1889

G. †Leconteites Casey 1954

†Leconteites deansi Whiteaves 1893

†Leconteites lecontei Anderson 1902

Invalid names: Sonneratia mulleri Anderson 1938 [synonym], Sonneratia rogersi Hall and Ambrose 1916 [synonym], Sonneratia taffi Anderson 1938 [synonym]

†Leconteites modestus Anderson 1938

†Leconteites sacramenticus Anderson 1902

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

G. †Pseudorbulites Casey 1961

G. †Roberticeras Latil et al. 2023

†Roberticeras albense Breistroffer 1947

†Roberticeras ambajabense Collignon 1963

†Roberticeras ampanihense Collignon 1963

†Roberticeras arduennense Breistroffer 1961

†Roberticeras caseyi Collignon 1963

†Roberticeras cesticulatum d'Orbigny 1841

†Roberticeras dupinianum d'Orbigny 1841

†Roberticeras dupiniforme Collignon 1963

†Roberticeras hirtzi Collignon 1950

†Roberticeras hourcqi Collignon 1949

†Roberticeras komihevitraense Collignon 1950

†Roberticeras laevigatum Sowerby 1827

†Roberticeras newtoni Casey 1961

†Roberticeras parandieri d'Orbigny 1841

†Roberticeras perchoisense Destombes 1979

†Roberticeras rectisulcatum Collignon 1936

†Roberticeras revoili Pervinquière 1907

†Roberticeras sanctaecrucis Bonarelli 1921

†Roberticeras subrotundum Collignon 1963

G. †Uhligella

†Uhligella balmensis Jacob 1908

†Uhligella bulbosum Casey 1961

†Uhligella clansayensis Jacob 1905

†Uhligella rebouli Jacob 1908

†Uhligella toucasi Jacob 1905

†Uhligella walleranti Jacob 1908

Invalid names: Beudanticeras subparandieri Spath 1921 [synonym]

G. †Zuercherella Casey 1954

†Zuercherella zuercheri Jacob et al. 1906

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

Subg. †Brahmaites (Anabrahmaites) Yabe and Shimizu 1924

Subg. †Brahmaites (Brahmaites) Kossmat 1897

G. †Grossouvrites Kilian and Reboul 1909

†Grossouvrites gemmatus Huppe 1854

†Grossouvrites joharae Salazar et al. 2010

G. †Gunnarites Kilian and Reboul 1909

†Gunnarites antarcticus Weller 1903

†Gunnarites bhavaniformis Kilian and Reboul 1909

†Gunnarites denticulatus Marshall 1926

†Gunnarites flexuosus Spath 1953

†Gunnarites gunnari Kilian and Reboul 1925

†Gunnarites inflatus Kilian and Reboul 1909

†Gunnarites kalika Stolickzka 1865

†Gunnarites nordenskjoldi Kilian and Reboul 1909

†Gunnarites pachys Spath 1953

†Gunnarites paucinodatus Spath 1953

†Gunnarites raggatti Henderson and McNamara 1985

†Gunnarites rotundus Spath 1953

†Gunnarites spathi Henderson 1970

†Gunnarites spinosissimus Wetzel 1930

†Gunnarites varicostatus Henderson 1970

†Gunnarites zelandicus Marshall 1917

Invalid names: Madrasites fortior Marshall 1926 [nomen dubium]

G. †Jacobites Kilian and Reboul 1909

Subg. †Jacobites (Jacobites) Kilian and Reboul 1909

Subg. †Jacobites (Tainuia) Marshall 1926

†Jacobites anderssoni Kilian and Reboul 1909

†Jacobites crofti Spath 1953

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

G. †Kossmaticeras Grossouvre 1901

Subg. †Kossmaticeras (Jacobites) Kilian and Reboul 1909

Subg. †Kossmaticeras (Karapadites) Collignon 1954

Subg. †Kossmaticeras (Kossmaticeras) de Grossouvre 1901

Subg. †Kossmaticeras (Natalites) Collignon 1954

†Kossmaticeras canadense McLearn 1972

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

G. †Maorites Marshall 1926

†Maorites angulocostatus Henderson 1970

†Maorites densicostatus Kilian and Reboul 1909

†Maorites mackayi Hector 1886

†Maorites multiconstrictus Henderson 1970

†Maorites pseudobhavani Spath 1953

†Maorites seymourianus Kilian and Reboul 1909

†Maorites subtilistriatus Collignon 1954

†Maorites tenuicostatum Marshall 1917

Invalid names: Maorites suturalis Marshall 1926 [synonym]

†Maorites tuberculatus Howard 1958

†Maorites weddelliensis Macellari 1986

G. †Neograhamites Spath 1953

†Neograhamites carnarvonensis Henderson and McNamara 1985

†Neograhamites kiliani Spath 1953

†Neograhamites taylori Spath 1953

†Neograhamites transitorius Henderson 1970

G. †Pseudokossmaticeras Spath 1922

†Pseudokossmaticeras brandti Redten bacher 1873

†Pseudokossmaticeras duereri Redtenbacher 1873

†Pseudokossmaticeras galicianum Favre 1869

†Pseudokossmaticeras pacificum Stoliczka 1865

†Pseudokossmaticeras tercense Seunes 1891

G. †Yokoyamaoceras Wright and Matsumoto 1954

†Yokoyamoceras jimboi Matsumoto 1955

Subfm. †Marshallitinae Matsumoto 1955

G. †Eogunnarites

†Eogunnarites alaskaensis Matsumoto 1959

†Eogunnarites matsumotoi Murphy and Rodda 1960

†Eogunnarites unicus Yabe 1904

G. †Eomadrasites

G. †Eomarshallites Medina and Rinaldi 1986

†Eomarshallites espinosum Medina and Rinaldi 1986

†Eomarshallites hibridum Medina and Rinaldi 1986

G. †Holcodiscoides

†Puzosia (Holcodiscoides) weaveri Anderson 1938

G. †Hulenites Matsumoto 1955

†Hulenites jimboi Anderson 1938

Invalid names: Puzosia (Parapuzosia) waringi Anderson 1958 [objective synonym]

†Hulenites kitamurai Matsukawa 2021

†Hulenites onona Anderson 1938

†Hulenites reesidei Anderson 1938

G. †Maccarthyites Matsumoto 1959

G. †Marshallites Matsumoto 1955

†Marshallites columbianus McLearn 1972

†Marshallites compressus Matsumoto 1955

†Marshallites cumshewaensis Whiteaves 1884

†Marshallites voyanus Anderson 1958

G. †Mikasaites Matsumoto 1956

G. †Moffitites Imlay 1959

†Moffitites crassus Imlay 1960

†Moffitites robustus 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 (Pseudoschloenbachia) bertrandi de Grossouvre 1894

†Pseudoschloenbachia (Pseudoschloenbachia) casterasi Collignon 1983

†Pseudoschloenbachia (Pseudoschloenbachia) chispaensis Adkins 1929

†Pseudoschloenbachia (Pseudoschloenbachia) grossouvrei Kennedy 1995

†Pseudoschloenbachia (Pseudoschloenbachia) inconstans de Grossouvre 1894

†Pseudoschloenbachia (Pseudoschloenbachia) mexicana Renz 1936

†Pseudoschloenbachia (Pseudoschloenbachia) umbulazi Baily 1855

†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 portlocki complexus Hall and Meek 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

†Neodesmoceras catarinae Anderson and Hanna 1935

†Pachydiscus (Neodesmoceras) mokotibensis Collignon 1952

†Pachydiscus (Neodesmoceras) obsoletiformis Jones 1963

†Pachydiscus (Neodesmoceras) princeps Anderson 1958

†Pachydiscus (Neodesmoceras) soma Forbes 1846

Subg. †Pachydiscus (Pachydiscus) Zittel 1884

†Pachydiscus (Pachydiscus) arkansanus Stephenson 1941

†Pachydiscus (Pachydiscus) australis Henderson and McNamara 1985

†Pachydiscus (Pachydiscus) awajiensis Morozumi 1985

†Pachydiscus (Pachydiscus) cayeuxi de Grossouvre 1894

†Pachydiscus (Pachydiscus) complanatus Collignon 1952

†Pachydiscus (Pachydiscus) dossantosi Maury 1930

†Pachydiscus (Pachydiscus) duelmensis Schluter 1872

†Pachydiscus (Pachydiscus) egertoni Forbes 1846

Invalid names: Ammonites ganesa Forbes 1846 [synonym], Parapachydiscus coalingensis Anderson 1958 [synonym]

†Pachydiscus (Pachydiscus) gutierrezi Salazar et al. 2010

†Pachydiscus (Pachydiscus) haldemsis Schluter 1867

Invalid names: Ammonites auritocostatus Schlüter 1872 [synonym], Pachydiscus kaliszanensis Nowak 1913 [synonym], Pachydiscus koeneni de Grossouvre 1894 [synonym]

†Pachydiscus (Pachydiscus) hazzardi Jones 1963

†Pachydiscus (Pachydiscus) jacquoti Seunes 1890

Invalid names: Pachydiscus (Pachydiscus) llareni Wiedmann 1960 [synonym], Pachydiscus llareni Wiedmann 1960 [synonym]

†Pachydiscus (Pachydiscus) jeani de Grossouvre 1894

†Pachydiscus (Pachydiscus) kamishakensis Jones 1963

†Pachydiscus (Pachydiscus) neubergicus Hauer 1858

Invalid names: Ammonites chrishna Forbes 1846 [synonym]

†Pachydiscus (Pachydiscus) noetlingi Kennedy 1999

†Pachydiscus (Pachydiscus) oldhami Sharpe 1855

†Pachydiscus (Pachydiscus) ootacodensis Stolickzka 1865

Invalid names: Pachydiscus (Pachydiscus) hornbyense Jones 1963 [synonym]

†Pachydiscus (Pachydiscus) paulsoni Young 1963

†Pachydiscus (Pachydiscus) rogeri Marshall 1926

†Pachydiscus (Pachydiscus) ultimus Macellari 1986

†Pachydiscus (Pachydiscus) yama Forbes 1846

†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 gollevillensis armenicus Atabekian and Akopian 1969

†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. †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

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

†Knemiceras (Iranoknemiceras) collignoni Mahmoud 1955

†Knemiceras (Iranoknemiceras) persicum Collignon 1983

Subg. †Knemiceras (Omaimaiceras) Moret and Mahmoud 1955

†Knemiceras (Omaimaiceras) rittmanni 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

†Knemiceras uhligi subcompressum Hyatt 1903

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 (Miltoceras) aeduensis d'Orbigny 1850

†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

†Bakonyceras evolutum bimammatum 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

†Catacoeloceras broilii Mitzopoulos 1930

†Catacoeloceras confectum Buckman 1923

†Catacoeloceras crassum Young and Bird 1828

†Catacoeloceras dumortieri de Brun 1932

†Catacoeloceras engeli Monestier 1931

†Catacoeloceras fonticulum Simpson 1855

†Catacoeloceras grangei Stevens 2008

†Catacoeloceras jordani Guex 1972

†Catacoeloceras prorsiradiatum Pinna 1966

†Catacoeloceras raquinianum d'Orbigny 1845

Invalid names: Transicoeloceras [synonym]

G. †Collina Bonarelli 1893

†Collina gemma Bonarelli 1894

†Collina lauxi Monestier 1931

†Collina linae Parisch and Viale 1906

†Collina nicklesi Guex 1971

†Collina pseudoyoungi Guex 1972

†Collina spinata Guex 1972

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

G. †Dactylioceras Hyatt 1867

Subg. †Dactylioceras (Dactylioceras) Hyatt 1867

Subg. †Dactylioceras (Eodactylites) Schmidt-Effing 1972

Subg. †Dactylioceras (Iranodactylites) Repin 2000

Subg. †Dactylioceras (Orthodactylites) Buckman 1926

Invalid names: Kedonoceras Dagis 1968 [synonym], Kryptodactylites Buckman 1926 [synonym], Tenuidactylites Buckman 1926 [synonym]

†Dactylioceras acanthus d'Orbigny 1850

†Dactylioceras alpestre Wiedenmayer 1980

†Dactylioceras amplum Dagys 1968

†Dactylioceras athleticum Simpson 1855

†Dactylioceras boreum Kopik 1968

†Dactylioceras commune Sowerby 1815

Invalid names: Dactylioceras absimile Dagys 1968 [synonym], Dactylioceras circumactum Dagys 1968 [synonym]

†Dactylioceras consimile Buckman 1926

†Dactylioceras crassescens Simpson 1855

†Dactylioceras crassifactum Simpson 1855

†Dactylioceras crassiusculum Simpson 1855

†Dactylioceras holandrei d'Orbigny 1845

†Dactylioceras kanense McLearn 1930

†Dactylioceras praepositum Buckman 1927

†Dactylioceras suntarense Krimholz 1957

†Dactylioceras temperatum Buckman 1927

†Dactylioceras toxophorum Buckman 1926

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

†Nodicoeloceras acanthus d'Orbigny 1850

†Nodicoeloceras choffati Renz 1912

†Nodicoeloceras crassoides Simpson 1855

†Nodicoeloceras crateriforme Monestier 1931

†Nodicoeloceras dayi Reynes 1868

†Nodicoeloceras fontis Guex 1972

†Nodicoeloceras incrassatum Simpson 1855

†Nodicoeloceras tuberculatum Kottek 1963

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

†Peronoceras andraei Simpson 1843

†Peronoceras beurleni Monestier 1931

†Peronoceras desplacei d'Orbigny 1845

†Peronoceras fibulatum Sowerby 1823

†Peronoceras perarmatum Young and Bird 1822

†Peronoceras subarmatum Young and Bird 1822

†Peronoceras tuberculatum Pinna 1966

†Peronoceras turriculatum Simpson 1855

G. †Porpoceras

†Porpoceras andraei Simpson 1843

†Porpoceras crassicostatum Guex 1972

†Porpoceras planiventer Guex 1972

†Porpoceras pseudodesplacei Guex 1972

†Porpoceras tenellissimum Monestier 1931

†Porpoceras vortex Simpson 1855

Invalid names: Porpoceras verticosum Buckman 1914 [synonym]

†Porpoceras vorticellum Simpson 1855

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

G. †Reynesoceras Spath 1936

†Reynesoceras americanum Hillebrandt 2006

†Reynesoceras mortilleti Meneghini 1875

†Reynesoceras ragazzoni Hauer 1861

Invalid names: Ammonites acanthoides Reynes 1868 [synonym]

†Reynesoceras subanguinum Meneghini 1875

Invalid names: Aveyroniceras [synonym]

G. †Septimaniceras Faure 2002

†Septimaniceras zitteli Oppel 1862

G. †Zugodactylites Buckman 1926

†Zugodactylites braunianus d'Orbigny 1845

†Zugodactylites pseudobraunianum Monestier 1931

†Zugodactylites rotundiventer Buckman 1927

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

†Cetonoceras psiloceroides Fucini 1905

Invalid names: Seccianoceras Venturi 1995 [synonym]

G. †Prodactylioceras Spath 1923

†Prodactylioceras colubriforme Bettoni 1900

†Prodactylioceras davoei Sowerby 1822

†Prodactylioceras dorsetense Spath 1936

†Prodactylioceras enode Quenstedt 1884

†Prodactylioceras italicum Fucini 1900

†Prodactylioceras rectiradiatum Wingrave 1916

Invalid names: Paralytoceras Frebold 1922 [synonym]

G. †Reynesocoeloceras Geczy 1976

†Reynesocoeloceras elmii Dommergues et al. 2011

†Reynesocoeloceras fallax Fucini 1905

†Reynesocoeloceras grahami Smith and Tipper 1996

†Reynesocoeloceras incertum Fucini 1905

†Reynesocoeloceras indunense Meneghini 1867

†Reynesocoeloceras obesum Fucini 1905

†Reynesocoeloceras praeincertum Dommergues and Mouterde 1982

†Reynesocoeloceras simulans Fucini 1905

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

†Bifericeras bifer Quenstedt 1845

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

†Bifericeras nudicosta Quenstedt 1845

†Bifericeras subplanicosta Oppel 1856

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

G. †Crucilobiceras Buckman 1920

†Crucilobiceras cheltiense Buckman 1923

†Crucilobiceras crucilobatum Buckman 1920

†Crucilobiceras densinodulum Buckman 1923

†Crucilobiceras densinodum Quenstedt 1845

Invalid names: Crucilobiceras subdensinodum Spath 1925 [synonym]

†Crucilobiceras pacificum Frebold 1970

†Crucilobiceras phrygicum Bremer 1965

G. †Dubariceras Dommergues et al. 1984

†Dubariceras argentinicum Hillebrandt 2006

†Dubariceras crassum Hillebrandt 2006

†Dubariceras dubari Dommergues et al. 1984

†Dubariceras freboldi Dommergues et al. 1984

†Dubariceras latidorsale Hillebrandt 2006

†Dubariceras silviesi Hertlein 1925

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

G. †Eoderoceras Spath 1925

†Eoderoceras ancyrense Bremer 1965

†Eoderoceras armatum Sowerby 1815

Invalid names: Deroceras eusculptum Lang and Spath 1926 [synonym], Deroceras obesum Spath 1925 [synonym], Eoderoceras miles Simpson 1855 [synonym], Eoderoceras postarmatum Hoffmann 1950 [synonym]

†Eoderoceras bispinatum Geyer 1886

Invalid names: Ammonites brevispina Hauer 1856 [replaced]

†Eoderoceras bispinigerum Buckman 1918

†Eoderoceras hastatum Young and Bird 1828

Invalid names: Aegoceras milleri Wright 1880 [synonym]

†Eoderoceras praecursor Geyer 1886

†Eoderoceras tardecrescens Pia 1913

†Microderoceras (Eoderoceras) birchiades Rosenberg 1909

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

G. †Eteoderoceras Edmunds 2009

Invalid names: Deroceras Hyatt 1867 [replaced]

G. †Hyperderoceras

†Hyperderoceras retusum Simpson 1855

G. †Metaderoceras Spath 1925

†Metaderoceras apertum Hariri et al. 1996

†Metaderoceras brutum Wiedenmayer 1977

†Metaderoceras gemmellaroi Levi 1896

†Metaderoceras mouterdei Frebold 1970

†Metaderoceras muticum d'Orbigny 1844

†Metaderoceras pseudomuticum Dubar 1978

†Metaderoceras spirale Venturi et al. 2007

†Metaderoceras talkeetnaense Thomson and Smith 1992

†Metaderoceras venarense Oppel 1862

†Metaderoceras venustulum Dumortier 1869

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

G. †Microderoceras Hyatt 1871

†Microderoceras birchi Sowerby 1820

†Microderoceras brueckneri Gugenberger 1929

†Microderoceras gigas Quenstedt 1883

†Microderoceras inflatum Buckman 1918

†Microderoceras nautilum Edmunds et al. 2016

†Microderoceras septigerum Buckman 1918

G. †Parahyperderoceras Schlatter 1980

G. †Paramicroderoceras Dommergues et al. 1994

†Paramicroderoceras fila Quenstedt 1884

†Paramicroderoceras hungaricum Geczy 1976

†Paramicroderoceras nothum Meneghini 1898

G. †Promicroceras Spath 1925

Subg. †Promicroceras (Leptomicroceras) Edmunds et al. 2016

†Promicroceras perplanicosta Spath 1925

†Promicroceras planicosta Sowerby 1814

Invalid names: Ammonites aureus Young and Bird 1822 [synonym]

G. †Xipheroceras Buckman 1911

†Xipheroceras dudressieri d'Orbigny 1845

†Xipheroceras planicosta Buckman 1911

†Xipheroceras scoresbyi Simpson 1843

†Xipheroceras ziphus Zieten 1830

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

†Andidiscus behrendseni Jaworski 1926

Invalid names: Dayiceras pleuriforme Leanza and Blasco 1990 [synonym], Dayiceras pseudophylliticum Leanza and Blasco 1990 [synonym]

†Andidiscus carinatus Hillebrandt 2006

†Andidiscus multiformis Hillebrandt 2006

†Andidiscus piutrinensis Hillebrandt 2006

†Andidiscus prorsiflexus Hillebrandt 2006

†Andidiscus volkheimeri Hillebrandt 2006

G. †Eoamaltheus Hillebrandt 1981

†Eoamaltheus arayaensis Hillebrandt 2006

†Eoamaltheus blancoensis Hillebrandt 2006

†Eoamaltheus intermissus Hillebrandt 2006

†Eoamaltheus meridianus Hillebrandt 1981

†Eoamaltheus multicostatus Hillebrandt 2006

†Eoamaltheus ovatoides Hillebrandt 2006

†Eoamaltheus ovatus Hillebrandt 2006

†Eoamaltheus parameridianus Hillebrandt 2006

†Eoamaltheus paraovatus Hillebrandt 2006

G. †Fanninoceras McLearn 1930

Subg. †Fanninoceras (Charlotticeras) Smith and Tipper 1996

Subg. †Fanninoceras (Fanninoceras) McLearn 1930

†Fanninoceras disciforme Hillebrandt 1981

†Fanninoceras latum McLearn 1930

†Fanninoceras leptodiscus Behrendsen 1891

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

†Aegoceras (Aegoceras) brevilobatum Trueman 1919

†Aegoceras (Aegoceras) lataecosta Sowerby 1827

Subg. †Aegoceras (Beaniceras) Buckman 1913

†Aegoceras (Beaniceras) costatum Buckman 1919

†Aegoceras (Beaniceras) cottardiense Dommergues and Mouterde 1978

†Aegoceras (Beaniceras) crassum Buckman 1919

†Aegoceras (Beaniceras) larzacensis Meister 1986

†Aegoceras (Beaniceras) luridum Simpson 1855

†Aegoceras (Beaniceras) rotundum Buckman 1918

†Beaniceras centaurus d'Orbigny 1844

Invalid names: Beaniceras senile Buckman 1918 [synonym]

Subg. †Aegoceras (Oistoceras) Buckman 1911

†Aegoceras (Oistoceras) colubrinum Spath 1938

†Aegoceras (Oistoceras) curvicorne Schloenbach 1863

†Aegoceras (Oistoceras) orbignyi Spath 1938

†Aegoceras (Oistoceras) samontaensis Meister 1986

†Androgynoceras (Oistoceras) angulatum Quenstedt 1856

†Androgynoceras (Oistoceras) figulinum Simpson 1855

†Oistoceras compressum Smith and Tipper 1996

†Oistoceras crescens Hyatt 1867

†Oistoceras wrighti Spath 1936

Invalid names: Aegoceras curvicornum Wright 1880 [replaced]

†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

Subg. †Amaltheus (Amaltheus) de Montfort 1808

Subg. †Amaltheus (Pseudoamaltheus) Frebold 1922

†Amaltheus bifurcus Howarth 1958

†Amaltheus bondonniensis Meister 1986

†Amaltheus gibbosus Schlotheim 1820

Invalid names: Amaltheus turgidus Hyatt 1867 [synonym]

†Amaltheus margaritatus de Montford 1808

Invalid names: Ammonites acutus Sowerby 1813 [synonym], Ammonites amaltheus Schlotheim 1813 [synonym], Ammonites foliaceus Giebel 1852 [synonym], Ammonites sedgwickii Buckman 1845 [synonym]

†Amaltheus orientalis Nakada et al. 2021

†Amaltheus repressus Dagis 1976

†Amaltheus reticularis Simpson 1843

†Amaltheus salebrosum Hyatt 1867

Invalid names: Amaltheus postremus Mattei 1985 [synonym]

†Amaltheus stokesi Sowerby 1818

†Amaltheus striatus Howarth 1955

Invalid names: Ammonites depressus Simpson 1843 [replaced]

†Amaltheus subnodosus Young and Bird 1828

Invalid names: Ammonites nodosus Sowerby 1815 [replaced]

†Amaltheus viligaensis Tuchkov 1954

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

G. †Amauroceras Buckman 1913

†Amauroceras ferrugineum Simpson 1855

†Amauroceras lenticulare Young and Bird 1828

†Amauroceras wertheri Lange 1932

G. †Pleuroceras Hyatt 1868

†Pleuroceras apyrenum Buckman 1911

†Pleuroceras birdi Simpson 1843

†Pleuroceras hawskerense Young and Bird 1828

Invalid names: Ammonites elaboratus Simpson 1884 [synonym]

†Pleuroceras solare Phillips 1829

Invalid names: Ammonites regularis Simpson 1855 [synonym], Paltopleuroceras pseudocostatum Richardson 1904 [synonym]

†Pleuroceras spinatum Bruguière 1789

Invalid names: Ammonites costatus Schlotheim 1820 [synonym], Ammonites franconicus Schlotheim 1813 [synonym]

†Pleuroceras transiens Frentzen 1937

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

†Liparoceras (Becheiceras) bechei Sowerby 1821

†Liparoceras (Becheiceras) gallicum Spath 1936

Invalid names: Ammonites bechei d'Orbigny 1844 [replaced]

Subg. †Liparoceras (Liparoceras) Hyatt 1867

†Liparoceras (Liparoceras) cheltiense Murchison 1834

†Liparoceras (Liparoceras) densistriatum Spath 1938

†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

†Gemmellaroceras aenigmaticum Gemmellaro 1884

†Gemmellaroceras alloplocum Gemmellaro 1884

†Gemmellaroceras circumcrispatum Gemmellaro 1884

†Gemmellaroceras cortesei Gemmellaro 1884

†Gemmellaroceras gemmellaroi Geczy 1976

†Gemmellaroceras granuliferum Gemmellaro 1884

†Gemmellaroceras involutum Venturi and Ferri 2001

†Gemmellaroceras mazzettii Gemmellaro 1884

†Gemmellaroceras pseudocarinatum Venturi et al. 2005

†Gemmellaroceras subtilicostatum Rakús and Guex 2002

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

†Jamesonites gumbrechti Oppel 1862

†Jamesonites spoliatus Quenstedt 1884

Invalid names: Deroceras perisphinctoides Fucini 1903 [synonym]

G. †Parinodiceras Trueman 1918

†Parinodiceras parinodus Quenstedt 1884

Invalid names: Platynoticeras Spath 1938 [synonym]

G. †Platypleuroceras Hyatt 1867

†Platypleuroceras brevispina Sowerby 1827

Invalid names: Ammonites amplinatrix Quenstedt 1885 [synonym], Platypleuroceras brevispinoides Tutcher and Trueman 1925 [synonym]

†Platypleuroceras caprarium Quenstedt 1856

†Platypleuroceras oblongum Quenstedt 1845

†Platypleuroceras orbis Bremer 1965

†Platypleuroceras rotundum Quenstedt 1845

†Platypleuroceras submuticum Oppel 1856

Invalid names: Platypleuroceras enzenharti Schlatter 1980 [synonym]

†Platypleuroceras tenuilobus Quenstedt 1885

†Platypleuroceras valdaniforme Bremer 1965

G. †Polymorphites Haug 1887

†Polymorphites acutiventris Venturi et al. 2007

†Polymorphites calensis Faraoni et al. 1996

†Polymorphites confusus Quenstedt 1856

†Polymorphites mixtus Quenstedt 1845

†Polymorphites polymorphus Quenstedt 1845

†Polymorphites pseudodubari Meister 1986

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

G. †Uptonia Buckman 1898

†Uptonia angusta Quenstedt 1849

†Uptonia bronni Roemer 1836

†Uptonia costosa Quenstedt 1885

†Uptonia dayiceroides Mouterde 1951

†Uptonia ignota Simpson 1855

†Uptonia inaequicosta Geczy 1976

†Uptonia involuta Meister 1986

†Uptonia jamesoni Sowerby 1827

Invalid names: Ammonites vernosae Zittel 1869 [synonym]

†Uptonia lata Parkinson 1811

†Uptonia regnardi d'Orbigny 1844

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

Subfm. †Tropidoceratinae Hyatt 1900

G. †Acanthopleuroceras Hyatt 1900

†Acanthopleuroceras arietiforme Oppel 1853

†Acanthopleuroceras carinatum Quenstedt 1885

†Acanthopleuroceras inflatum Quenstedt 1885

†Acanthopleuroceras lepidum Tutcher and Trueman 1925

†Acanthopleuroceras maugenesti d'Orbigny 1844

†Acanthopleuroceras pseudonatrix Bremer 1965

Invalid names: Ammonites natrix Zieten 1830 [replaced]

†Acanthopleuroceras subarietiforme Futterer 1893

†Acanthopleuroceras sutherlandbrowni Frebold 1970

†Acanthopleuroceras thomsoni Smith and Tipper 1996

†Acanthopleuroceras valdani d'Orbigny 1844

Invalid names: Ammonites binotatus Oppel 1862 [synonym]

†Acanthopleuroceras whiteavesi Smith and Tipper 1988

Invalid names: Cycloceras Hyatt 1867 [synonym]

G. †Catriceras Venturi 1978

†Catriceras campiliense Fucini 1898

†Catriceras catriense Venturi 1978

†Catriceras pannonicum Geczy and Meister 2007

G. †Dayiceras

G. †Paratropidoceras Dommergues and Meister 2004

†Paratropidoceras numidianum Dommergues and Meister 2004

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

G. †Tropidoceras Hyatt 1867

†Tropidoceras actaeon d'Orbigny 1844

†Tropidoceras atuelense Hillebrandt 2006

†Tropidoceras calliplocoides Spath 1923

†Tropidoceras calliplocum Gemmellaro 1884

Invalid names: Tropidoceras sparsicosta Spath 1923 [synonym], Tropidoceras stefanii Fucini 1899 [synonym]

†Tropidoceras demonense Gemmellaro 1884

†Tropidoceras ellipticum Sowerby 1815

†Tropidoceras erythraeum Gemmellaro 1884

†Tropidoceras flandrini Dumortier 1869

Invalid names: Harpoceras zancleanum Gemmellaro 1884 [synonym]

†Tropidoceras frischmanni Oppel 1862

†Tropidoceras futtereri Spath 1923

†Tropidoceras hamulatum Hillebrandt 2006

†Tropidoceras heterogeneum Meister et al. 2011

†Tropidoceras masseanum d'Orbigny 1844

Invalid names: Tropidoceras lineatum Spath 1923 [synonym]

†Tropidoceras mediterraneum Gemmellaro 1884

Invalid names: Harpoceras galatense Gemmellaro 1884 [synonym]

†Tropidoceras rotundum Futterer 1893

†Tropidoceras rursicosta Buckman 1918

†Tropidoceras semilaevis Fucini 1899

†Tropidoceras stahli Oppel 1856

†Tropidoceras stahliforme Rakús and Guex 2002

†Tropidoceras zitteli Fucini 1899

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

†Abbasites abbas Buckman 1921

†Abbasites gardincola de Gregorio 1886

Invalid names: Ambersites Buckman 1921 [synonym]

G. †Abbasitoides Geczy 1966

†Abbasitoides compressus Prinz 1904

†Abbasitoides modestus Vacek 1886

†Abbasitoides placidus Vacek 1886

G. †Cagliceras Rulleau and Elmi 2001

†Cagliceras costulosum Merla 1934

†Cagliceras crassiventris Merla 1934

†Cagliceras elaphum Merla 1934

†Cagliceras elaphus Merla 1934

†Cagliceras enigmaticum Kovács and Géczy 2008

†Cagliceras picenum Fossa-Mancini 1915

†Cagliceras robustum Merla 1934

†Cagliceras rotundiformis Merla 1934

G. †Erycites

Subg. †Erycites (Abbasitoides) Geczy 1966

†Erycites barodiscus Gemmellaro 1886

Invalid names: Erycites exulatus Callomon and Chandler 1994 [synonym]

†Erycites costatus Merla 1933

†Erycites crassiventris Merla 1934

†Erycites fallifax Arkell 1958

Invalid names: Ammonites fallax Benecke 1865 [replaced]

†Erycites gerecsensis Kovács and Géczy 2008

†Erycites intermedius Hantken in Prinz 1904

Invalid names: Erycites schafarziki Prinz 1904 [synonym]

†Erycites labrosus Quenstedt 1886

†Erycites reussi Hauer 1856

†Erycites robustus Merla 1934

†Erycites subquadratus Géczy 1966

†Erycites sutneri Gemmellaro 1886

Invalid names: Erycites ovatus Géczy 1966 [synonym]

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

†Bredyia brancoi Prinz 1904

Invalid names: Hammatoceras lotharingicum Benecke 1905 [synonym], Parammatoceras boyeri Elmi 1963 [synonym]

†Bredyia rugata Buckman 1925

Invalid names: Hammatoceras dolium Buckman 1889 [replaced], Hammatoceras prinzi Geczy 1966 [synonym]

†Bredyia subinsignis Oppel 1856

Invalid names: Burtonia crassornata Buckman 1910 [synonym], Hammatoceras dumortieri Prinz 1904 [synonym], Hammatoceras vighi Geczy 1966 [synonym]

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

G. †Crestaites Rulleau and Elmi 2001

†Crestaites goyi Martinez 1992

†Crestaites meneghinii Bonarelli 1899

†Crestaites raricostatus Geczy 1966

†Crestaites szentei Kovács 2009

†Crestaites victorii Bonarelli 1895

Invalid names: Hammatoceras strictum Prinz 1904 [synonym]

G. †Erycitoides Westermann 1964

†Erycitoides spinatus Westermann 1964

Invalid names: Kialagvikes Westermann 1964 [synonym]

G. †Euaptetoceras

†Euaptetoceras amplectens Buckman 1889

Invalid names: Witchellia aguilonia Imlay 1964 [synonym]

†Eudmetoceras (Euaptetoceras) nucleospinosum Westermann 1964

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

G. †Eudmetoceras

Subg. †Eudmetoceras (Eudmetoceras) Buckman 1920

†Eudmetoceras flexuosum Elmi 1963

Invalid names: Rhodaniceras Elmi 1963 [synonym]

G. †Onychoceras Wunstrorf 1905

†Onychoceras confertissimum Whitfield 1936

†Onychoceras differens Wunstorf 1907

G. †Paviaites Cresta 1997

†Paviaites iris Gemmellaro 1886

Invalid names: Hammatoceras tenerum Vacek 1886 [synonym]

G. †Planammatoceras

Subg. †Planammatoceras (Planammatoceras) Buckman 1922

†Planammatoceras kochi Prinz 1904

†Planammatoceras planiforme Buckman 1922

†Planammatoceras planinsigne Vacek 1886

†Planammatoceras stenomphalum Prinz 1904

Invalid names: Hammatoceras magocsy Prinz 1904 [synonym]

†Planammatoceras tenuinsigne Vacek 1886

G. †Pseudaptetoceras Géczy 1966

†Planammatoceras (Pseudaptetoceras) moerickei Jaworski 1926

†Planammatoceras (Pseudaptetoceras) tricolore Westermann and Riccardi 1982

†Pseudaptetoceras amaltheiforme Vacek 1886

†Pseudaptetoceras klimakomphalum Vacek 1886

Invalid names: Deltotoceras corroyi Gerard 1930 [synonym], Hammatoceras discus Merla 1902 [synonym]

G. †Puchenquia

Subg. †Puchenquia (Gerthiceras) Westermann and Riccardi 1982

Subg. †Puchenquia (Puchenquia) Westermann and Riccardi 1972

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

†Haplopleuroceras mundum Buckman 1907

†Haplopleuroceras subspinatum Buckman and Buckman 1881

G. †Malladaites

†Malladaites parvispinatus Buckman and Buckman 1892

†Malladaites pertinax Vacek 1886

†Malladaites sandovali Dietze et al. 2017

G. †Spinammatoceras

†Spinammatoceras pugnax Vacek 1886

†Spinammatoceras sagax Vacek 1886

†Spinammatoceras tenax Vacek 1886

Invalid names: Shahrudites Seyed-Emami 2006 [synonym]

G. †Zurcheria

Subg. †Zurcheria (Parazurcheria) Fernández-López 1988

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

†Brasilia baldii Geczy 1967

†Brasilia bradfordensis Buckman 1881

†Brasilia elmii Geczy 1967

†Brasilia falcatiformis Geczy 1967

†Brasilia howarthi Geczy 1967

†Brasilia theobaldi Geczy 1967

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

†Graphoceras limitatum Buckman 1902

†Graphoceras pulchrum Buckman 1902

†Graphoceras vscriptum Buckman 1888

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

†Hyperlioceras curvicostatum Buckman 1907

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

Ludwigia alternifolia Linnaeus 1753

†Ludwigia armipotens Buckman 1899

†Ludwigia baylii Buckman 1887

†Ludwigia cornu Buckman 1881

†Ludwigia crassa Horn 1909

†Ludwigia depilata Buckman 1925

†Ludwigia fueloepi Geczy 1967

†Ludwigia gradata Buckman 1904

†Ludwigia murchisonae Sowerby 1829

Ludwigia perennis Linnaeus 1753

†Ludwigia reflua Buckman 1904

†Ludwigia subtuberculata Rieber 1963

†Ludwigia tuberata Buckman 1899

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

†Costileioceras opalinoides Mayer 1864

†Costileioceras sinon Bayle 1878

G. †Cylicoceras Buckman 1899

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

G. †Leioceras

†Leioceras capillare Buckman 1928

†Leioceras comptocostosum Chandler and Callomon 2009

†Leioceras comptum Reinecke 1818

†Leioceras costosum Quenstedt 1886

†Leioceras crassicostatum Rieber 1963

†Leioceras evertens Buckman 1899

†Leioceras goetzendorfense Dorn 1935

†Leioceras lineatum Buckman 1899

Invalid names: Lioceras grave Buckman 1899 [synonym]

†Leioceras opalinum Reinecke 1818

†Leioceras paucicostatum Rieber 1993

†Leioceras striatum Buckman 1899

†Leioceras subcostosum Buckman 1899

†Lioceras concavum Sowerby 1815

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

G. †Staufenia

†Staufenia discoidea Quenstedt 1886

†Staufenia latiumbilicus Quenstedt 1886

†Staufenia sehndensis Hoffmann 1913

Fm. †Hildoceratidae Hyatt 1867

Subfm. †Arieticeratinae Howarth 1955

G. †Arctomercaticeras

G. †Arieticeras Seguenza 1885

†Arieticeras algovianum Oppel 1862

Invalid names: Ammonites retrorsicosta Oppel 1862 [synonym], Arieticeras almoetianum Fucini 1931 [synonym]

†Arieticeras amalthei Oppel 1853

†Arieticeras apertum Monestier 1934

†Arieticeras bertrandi Kilian 1889

Invalid names: Hildoceras reynesi Fucini 1908 [synonym], Hildoceras reynesianum Fucini 1908 [synonym]

†Arieticeras disputabile Fucini 1908

Invalid names: Arieticeras gerardi Monestier 1934 [synonym]

†Arieticeras domarense Meneghini 1867

†Arieticeras japonicum Matsumoto 1947

†Arieticeras lupheri Imlay 1968

†Arieticeras macrum Monestier 1934

Invalid names: Arieticeras transitor Monestier 1934 [synonym]

†Arieticeras micrasterias Meneghini 1874

†Arieticeras ruthenense Reynes 1868

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

†Emaciaticeras archimedis Fucini 1931

†Emaciaticeras emaciatum Catullo 1853

†Emaciaticeras fervidum Fucini 1931

†Emaciaticeras lottii Gemmellaro 1885

Invalid names: Seguentia Fucini 1931 [nomen nudum], Trinacrioceras Fucini 1931 [nomen nudum], Ugdulenia Cantaluppi 1970 [synonym]

G. †Fontanelliceras Fucini 1931

†Fontanelliceras fontanellense Gemmellaro 1885

G. †Leptaleoceras Buckman 1918

†Leptaleoceras accuratum Fucini 1931

†Leptaleoceras compressum Monestier 1934

†Leptaleoceras insigne Fucini 1931

†Leptaleoceras leptum Buckman 1918

†Leptaleoceras primoglabrum Hillebrandt 2006

†Leptaleoceras pseudoradians Reynes 1868

†Leptaleoceras ugdulenai Gemmellaro 1885

Invalid names: Arieticeras lozeriense Monestier 1934 [synonym]

G. †Mauretaniaceras Meister et al. 2011

†Mauretaniaceras elmii Meister et al. 2011

G. †Tauromeniceras Mouterde 1967

†Tauromeniceras mazetieri Dubar 1927

†Tauromeniceras nerinea Fucini 1931

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

Invalid names: Seguenziceratinae Spath 1924 [replaced]

Subfm. †Bouleiceratinae Arkell 1950

G. †Bouleiceras

Subg. †Bouleiceras (Colcanapites) Collignon 1958

†Bouleiceras arabicum Arkell 1952

†Bouleiceras elegans Arkell 1952

†Bouleiceras marraticum Arkell 1952

†Bouleiceras nitescens Thevenin 1906

†Bouleiceras rebillyi Collignon 1958

†Bouleiceras rectum Arkell 1952

†Bouleiceras rochi Collignon 1958

†Bouleiceras tumidum Arkell 1952

Invalid names: Colcanapites Collignon 1958 [synonym]

G. †Frechiella

†Frechiella achillei Renz 1912

†Frechiella helenae Renz 1925

†Frechiella kammerkarensis Stolley 1903

Invalid names: Frechiella liviae Renz 1925 [synonym], Frechiella pannonica Prinz 1906 [synonym], Frechiella stolleyi Renz 1925 [synonym]

†Frechiella octaviae Renz 1925

†Frechiella subcarinata Young and Bird 1822

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

†Frechiella venantii Catullo 1846

Invalid names: Frechiella curvata Prinz 1904 [synonym]

Invalid names: Achilleia Renz 1913 [synonym]

G. †Jacobella Jeannet 1908

†Jacobella lugeoni Jeannet 1908

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

G. †Kohaticeras Fatmi and Hölder 1975

†Kohaticeras razai Fatmi and Hölder 1975

†Kohaticeras rehmani Fatmi and Hölder 1975

G. †Nejdia Arkell 1952

†Nejdia arabica Gelin 2022

†Nejdia bramkampi Arkell 1952

†Nejdia furnishi Arkell 1952

†Nejdia pseudogruneri Thevenin 1908

G. †Paroniceras Bonarelli 1893

†Paroniceras bisbinensis Renz 1922

†Paroniceras helveticum Renz 1922

†Paroniceras sternale d'Orbigny 1845

†Paroniceras substernale Pelosio 1968

Subfm. †Grammoceratinae Buckman 1904

G. †Catulloceras

†Catulloceras dumortieri Tholliere 1874

Invalid names: Dactylogrammites Buckman 1925 [synonym]

G. †Dumortieria

†Dumortieria brancoi Benecke 1905

†Dumortieria costula Reinecke 1818

†Dumortieria gundershofensis Haug 1887

†Dumortieria insignisimilis Braun 1867

†Dumortieria kochi Benecke 1905

†Dumortieria latumbilicata Geczy 1967

†Dumortieria levesquei d'Orbigny 1844

†Dumortieria meneghinii Zittel 1887

†Dumortieria moorei Lycett 1857

†Dumortieria prisca Buckman 1891

†Dumortieria pseudoradiosa Branco 1879

Invalid names: Ammonites undulatus Quenstedt 1885 [synonym]

†Dumortieria radians Reinecke 1818

Invalid names: Dumortieria rhodanica Haug 1887 [synonym]

†Dumortieria radiosa Seebach 1864

†Dumortieria rustica Buckman 1902

†Dumortieria sparsicosta Haug 1887

†Dumortieria striatulocostata Quenstedt 1885

†Dumortieria tabulata Buckman 1892

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

G. †Grammoceras

†Grammoceras normanianum d'Orbigny 1900

†Grammoceras penestriatulum Buckman 1902

Invalid names: Costigrammoceras costigerum Buckman 1926 [synonym]

†Grammoceras striatulum Sowerby 1825

†Grammoceras thouarsense d'Orbigny 1844

†Grammoceras timorense Krumbeck 1923

Invalid names: Costigrammoceras Buckman 1926 [synonym]

G. †Hudlestonia

†Hudlestonia affinis von Seebach 1864

†Hudlestonia serrodens Quenstedt 1846

G. †Phlyseogrammoceras Buckman 1901

†Phlyseogrammoceras dispansiforme Wunstorf 1904

†Phlyseogrammoceras dispansum Lycett 1860

Invalid names: Gruneria Gabilly 1974 [synonym], Gruneria Gabilly 1974 [synonym], Phlyseogrammoceras dispansiforme Wunstorf 1904 [valid], Phlyseogrammoceras dispansum Lycett 1860 [valid]

G. †Phlyseogrammoceras Buckman 1901

†Phlyseogrammoceras dispansiforme Wunstorf 1904

†Phlyseogrammoceras dispansum Lycett 1860

Invalid names: Gruneria Gabilly 1974 [synonym], Gruneria Gabilly 1974 [synonym], Phlyseogrammoceras dispansiforme Wunstorf 1904 [valid], Phlyseogrammoceras dispansum Lycett 1860 [valid]

G. †Pleydellia

Subg. †Pleydellia (Pleydellia) Buckman 1904

†Pleydellia arkelli Maubeuge 1950

†Pleydellia buckmani Maubeuge 1947

†Pleydellia costulata Zieten 1830

†Pleydellia falcifer Maubeuge 1950

†Pleydellia leura Buckman 1890

†Pleydellia misera Buckman 1902

†Pleydellia subcompta Branco 1879

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

G. †Podagrosites Guex 1973

†Podagrosites aratum Buckman 1892

†Podagrosites pseudogrunowi Guex 1975

†Podagrosites quadratus Quenstedt 1846

G. †Pseudogrammoceras

†Pseudogrammoceras aratum Buckman 1890

†Pseudogrammoceras bingmanni Denckmann 1887

†Pseudogrammoceras differens Ernst 1923

†Pseudogrammoceras doerntense Denckmann 1887

Invalid names: Pseudogrammoceras explicatum Buckman 1904 [synonym]

†Pseudogrammoceras fallaciosum Bayle 1878

Invalid names: Pseudogrammoceras cotteswoldiae Buckman 1902 [synonym], Pseudogrammoceras expeditum Buckman 1902 [synonym], Pseudogrammoceras pedicum Buckman 1904 [synonym], Pseudogrammoceras regale Buckman 1904 [synonym], Pseudogrammoceras subfallaciosum Buckman 1902 [synonym]

†Pseudogrammoceras latescens Simpson 1843

Invalid names: Ammonites bodei Denckmann 1887 [synonym], Hildoceras quadratum Haug 1885 [synonym]

†Pseudogrammoceras mediterraneum García Gómez and Rivas 1980

†Pseudogrammoceras muelleri Denckmann 1887

†Pseudogrammoceras pachu Buckman 1902

†Pseudogrammoceras struckmanni Denckmann 1887

†Pseudogrammoceras subquadratum Bukman 1890

†Pseudogrammoceras subregale Pinna 1968

†Pseudogrammoceras thrasu Buckman 1902

Invalid names: Monestieria Cossmann 1922 [synonym]

G. †Pseudolillia

†Pseudolillia apenninica Sassaroli and Venturi 2005

†Pseudolillia emiliana Reynes 1868

†Pseudolillia murvillensis Maubeuge 1949

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

Subg. †Canavaria (Canavaria) Gemmellaro 1886

†Canavaria cultraroi Fucini 1931

†Canavaria haugi Gemellaro 1885

†Canavaria rosenbergi Fucini 1931

†Canavaria zancleana Fucini 1931

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

G. †Cleviceras Howarth 1992

G. †Eleganticeras

†Eleganticeras elegans Sowerby 1815

Invalid names: Ammonites capellinus Schlotheim 1820 [synonym], Osperleioceras viluiense Krimholtz 1956 [synonym]

†Eleganticeras elegantulum Young and Bird 1828

Invalid names: Ammonites ovatulus Simpson 1855 [synonym], Ammonites rugatulus Simpson 1855 [synonym], Ammonites similis Simpson 1843 [synonym], Eleganticeras pseudoelegans Buckman 1913 [synonym]

†Eleganticeras exaratum Young and Bird 1828

Invalid names: Ammonites erratus Simpson 1855 [synonym], Ammonites multifoliatus Simpson 1855 [synonym]

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

G. †Harpoceras

Subg. †Harpoceras (Harpoceras) Waagen 1869

†Harpoceras crassefalcatum Waagen 1875

†Harpoceras dynastes Waagen 1875

†Harpoceras eseri Oppel 1856

†Harpoceras falciferum Sowerby 1820

Invalid names: Ammonites mulgravius Young and Bird 1828 [synonym], Harpoceras concinnum Buckman 1927 [synonym], Harpoceras falciferoides Buckman 1927 [synonym], Harpoceras falcula Buckman 1926 [synonym], Harpoceras fellenbergi Hug 1898 [synonym], Phaularpites exiguus Buckman 1928 [synonym], Tardarpoceras tardum Buckman 1927 [synonym]

†Harpoceras ignobile Sowerby 1840

†Harpoceras kobelli Oppel 1863

†Harpoceras lunula Zieten 1830

†Harpoceras nitescens Schlegelmilch 1976

†Harpoceras pseudoserpentinum Gabilly 1973

†Harpoceras rauracum Mayer 1864

†Harpoceras serpentinum Schlotheim 1813

Invalid names: Ammonites alternatus Simpson 1843 [synonym]

†Harpoceras subplanatum Oppel 1856

Invalid names: Ammonites complanatus d'Orbigny 1846 [replaced]

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

†Maconiceras soloniacense Lissajous 1906

Invalid names: Maconiceras vigoense Buckman 1926 [synonym]

G. †Neolioceratoides

†Neolioceratoides durtalense Gabilly 1973

†Neolioceratoides hoffmanni Gemmellaro 1886

G. †Osperleioceras Krimholz 1957

Subg. †Osperleioceras (Osperleioceras) Krimholz 1957

Invalid names: Pseudopolyplectus [synonym]

G. †Ovaticeras

†Ovaticeras ovatum Young and Bird 1822

Invalid names: Ovaticeras pseudovatum Buckman 1918 [synonym]

G. †Polyplectus

†Polyplectus appenninicus Haas 1913

†Polyplectus discoides Zittel 1831

Invalid names: Oxynoticeras meunieri Monestier 1921 [synonym]

†Polyplectus pluricostatum Haas 1913

†Polyplectus pluricostatus Haas 1913

Invalid names: Micropolyplectus Guex 1973 [synonym]

G. †Praepolyplectus Venturi 1981

G. †Pseudolioceras

Subg. †Pseudolioceras (Pseudolioceras) Buckman 1889

Subg. †Pseudolioceras (Tugurites)

†Pseudolioceras alienum Dagis 1967

†Pseudolioceras beyrichi Schloenbach 1865

†Pseudolioceras compactile Simpson 1855

†Pseudolioceras costistriatum Westermann 1969

†Pseudolioceras lythense Young and Bird 1828

†Pseudolioceras maclintocki Haughton 1858

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

G. †Sphenarpites

G. †Taffertia

†Taffertia taffertensis Geux 1973

G. †Tiltoniceras Buckman 1913

†Tiltoniceras antiquum Wright 1882

Invalid names: Ammonites capillatus Denckmann 1887 [synonym], Harpoceras schroederi Denckmann 1893 [synonym], Ovaticeras facetum Repin 1966 [synonym]

†Tiltoniceras costatum Buckman 1913

†Tiltoniceras propinquum Whiteaves 1884

Invalid names: Pacificeras Repin 1970 [synonym]

Invalid names: Polyplectinae Venturi 1981 [synonym]

Subfm. †Hildoceratinae Hyatt 1867

G. †Atacamiceras Hillebrandt 1987

G. †Hildaites

Subg. †Hildaites (Hildaites) Buckman 1921

Subg. †Hildaites (Martanites) Venturi 1997

†Hildaites bisulcatus Sassaroli and Venturi 2012

†Hildaites calamantis Sassaroli and Venturi 2012

†Hildaites chatryi Bécaud 2006

†Hildaites clavatus Sassaroli and Venturi 2010

†Hildaites crassus Guex 1973

†Hildaites evolutus Sassaroli and Venturi 2012

†Hildaites exilis Venturi 1973

†Hildaites forte Buckman 1921

Invalid names: Murleyiceras gyrale Buckman 1928 [synonym]

†Hildaites levisoni Simpson 1843

†Hildaites murleyi Buckman 1841

Invalid names: Ammonites borealis Seebach 1864 [synonym], Hildoceras undicosta Merla 1933 [synonym], Hildoceratoides propeserpentinus Buckman 1921 [synonym], Murleyiceras aptum Buckman 1922 [synonym]

†Hildaites pionneaui Bécaud 2006

†Hildaites planiventris Sassaroli and Venturi 2012

†Hildaites pseudolevisoni Venturi 1981

†Hildaites sanderi Arkell 1952

†Hildaites serpentiniformis Buckman 1921

†Hildaites spiralis Sassaroli and Venturi 2010

†Hildaites striatus Guex 1973

†Hildaites subserpentinum Buckman 1921

†Hildaites subserpentinus Buckman 1921

†Hildaites wrighti Spath 1913

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

Subg. †Hildoceras (Lillia) Bayle 1878

†Hildoceras ameuri Rulleau et al. 2001

†Hildoceras apertum Gabilly 1976

†Hildoceras bastiani Fucini 1905

†Hildoceras bifrons Bruguiere 1792

Invalid names: Ammonites hildensis Young and Bird 1822 [synonym], Ammonites walcotii Sowerby 1815 [synonym], Hildoceras angustisiphonatum Prinz 1904 [synonym]

†Hildoceras caterinii Merla 1933

†Hildoceras crassa Mitzopoulos 1930

†Hildoceras crassum Mitzopoulos 1930

†Hildoceras graecum Renz 1912

†Hildoceras laticosta Bellini 1900

†Hildoceras lusitanicum Meister 1913

†Hildoceras semipolitum Buckman 1902

Invalid names: Hildoceras semicosta Buckman 1926 [synonym]

†Hildoceras snoussi Elmi 1977

†Hildoceras sublevisoni Fucini 1919

†Hildoceras tethysi Geczy 1967

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

G. †Mercaticeras

†Mercaticeras dilatatum Meneghini 1883

†Mercaticeras dilatum Meneghini 1883

†Mercaticeras hellenicum Renz 1906

†Mercaticeras humeralis Merla 1933

†Mercaticeras mercati Hauer 1856

†Mercaticeras rursicostatum Merla 1932

†Mercaticeras thyrrenicum Fucini 1905

†Mercaticeras umbilicatum Buckman 1913

G. †Orthildaites

†Orthildaites becaudi Kovács 2011

†Orthildaites douvillei Haug 1884

Invalid names: Hildoceras (Lillia) renzi Mitzopoulos 1930 [synonym], Orthildaites intermedius Guex 1973 [synonym], Orthildaites orthus Buckman 1923 [synonym]

G. †Parahildaites

Subfm. †Leukadiellinae Macchioni and Venturi 2000

G. †Leukadiella

†Leukadiella helenae Renz 1913

†Leukadiella ionica Renz and Renz 1947

†Leukadiella jeanneti Renz 1927

G. †Renziceras

Subfm. †Mercaticeratinae Guex 1973

G. †Pseudocrassiceras Rulleau and Jattiot 2019

†Pseudocrassiceras bayani Dumortier 1874

†Pseudocrassiceras frantzi Reynes 1868

Subfm. †Protogrammoceratinae Mattei 1974

G. †Fuciniceras Haas 1913

†Fuciniceras ambiguum Fucini 1900

†Fuciniceras balatonense Géczy and Meister 1998

†Fuciniceras bicicolae Bonarelli 1895

†Fuciniceras bonarellii Fucini 1900

†Fuciniceras boscense Reynes 1868

†Fuciniceras celebratum Fucini 1900

†Fuciniceras cornacaldense Tausch 1890

†Fuciniceras costicillatum Fucini 1900

†Fuciniceras dilectum Fucini 1900

†Fuciniceras dubari Cantaluppi and Montanari 1976

†Fuciniceras fontaneillesi Dommergues and Meister 1986

†Fuciniceras formosum Wiedenmayer 1977

†Fuciniceras hungaricum Geczy 1976

†Fuciniceras isseli Fucini 1900

Invalid names: Hildoceras brevispirata Fucini 1900 [synonym]

†Fuciniceras lavinianum Fucini 1900

Invalid names: Grammoceras portisi Fucini 1900 [synonym], Hildoceras intumescens Fucini 1901 [synonym]

†Fuciniceras marianii Fucini 1904

†Fuciniceras mellahense Dubar 1961

Invalid names: Protogrammoceras peyrei Dubar 1978 [synonym]

†Fuciniceras pectinatum Meneghini 1881

†Fuciniceras perlicatum Fucini 1905

†Fuciniceras praecurionii Geczy 1976

†Fuciniceras suejensis Monestier 1934

†Fuciniceras targionii Fucini 1905

†Fuciniceras volubile Fucini 1900

Invalid names: Grammoceras varicostatum Fucini 1900 [synonym], Harpoceras pantanellii Fucini 1900 [synonym]

†Fuciniceras wiedenmayeri Braga and Rivas 1980

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

G. †Lioceratoides Spath 1919

Subg. †Lioceratoides (Lioceratoides) Spath 1919

†Lioceratoides serotinus Bettoni 1900

Invalid names: Platyharpites platypleurus Buckman 1927 [synonym], Praeleioceras mansuetum Fucini 1929 [synonym]

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

G. †Protogrammoceras Spath 1913

Subg. †Protogrammoceras (Fieldingiceras) Wiedenmayer 1980

Invalid names: Fieldingia Cantaluppi 1970 [replaced]

Subg. †Protogrammoceras (Matteiceras) Wiedenmayer 1980

Subg. †Protogrammoceras (Protogrammoceras) Spath 1913

†Protogrammoceras bassanii Fucini 1900

Invalid names: Bassaniceras infidum Fucini 1929 [synonym]

†Protogrammoceras ionicus Dommergues et al. 2000

†Protogrammoceras normanianum d'Orbigny 1844

†Protogrammoceras pseudodilectum Dommergues et al. 1985

†Protogrammoceras serotinum Bettoni 1900

†Protogrammoceras sublaeve Monestier 1934

†Protogrammoceras thevenini Collignon 1958

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

Subg. †Tmetoceras (Tmetoites) Westermann 1964

†Tmetoceras circulare Buckman 1905

†Tmetoceras difalensis Gemmellaro 1886

†Tmetoceras hollandae Buckman 1883

†Tmetoceras kirki Westermann 1964

†Tmetoceras regleyi Thiollière 1874

†Tmetoceras scissum Benecke 1865

†Tmetoceras tenui Westermann 1964

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

Subg. †Sonninia (Alaskinia) Westermann 1978

Invalid names: Sonninia (Alaskoceras) Westermann 1969 [replaced]

Subg. †Sonninia (Euhoploceras) Buckman 1913

Invalid names: Nannoceras Buckman 1923 [synonym], Sherbornites Buckman 1923 [synonym], Stiphromorphites Buckman 1923 [synonym]

Subg. †Sonninia (Papilliceras) Buckman 1920

Invalid names: Prepapillites Buckman 1927 [synonym]

Subg. †Sonninia (Poecilomorphus)

Subg. †Sonninia (Sonninia) Douville 1879

†Sonninia altecostata Tornquist 1898

Invalid names: Sonninia curviplex Tornquist 1898 [synonym], Sonninia gracilis Tornquist 1898 [synonym]

†Sonninia alternata Buckman 1893

†Sonninia argentinica Tornquist 1898

†Sonninia bodenbenderi Tornquist 1898

†Sonninia crassa Buckman 1893

†Sonninia crassinuda Buckman 1893

†Sonninia espinazitensis Tornquist 1898

†Sonninia fascicostata Tornquist 1898

†Sonninia intumescens Tornquist 1898

†Sonninia mirabilis Tornquist 1898

†Sonninia nuda Buckman 1893

†Sonninia stelzneri Gottsche 1878

†Sonninia subdeltafalcata Tornquist 1898

†Sonninia subtrigonata Buckman 1889

†Sonninia tuxedniensis Imlay 1964

Invalid names: Waagenia Bayle 1878 [replaced]

G. †Sonninites Buckman 1923

†Sonninites felix Buckman 1923

†Sonninites sulcatus Buckman 1889

Invalid names: Sonninia deltafalcata Quenstedt 1858 [synonym]

Subfm. †Witchelliinae Callomon and Chandler 2006

G. †Asthenoceras

†Asthenoceras nannodes Buckman 1890

G. †Dorsetensia

†Dorsetensia arabica Arkell 1952

†Dorsetensia edouardiana d'Orbigny 1846

†Dorsetensia hannoverana Hiltermann 1939

†Dorsetensia hebridica Morton 1972

†Dorsetensia liostraca Buckman 1892

†Dorsetensia pinguis Roemer 1836

†Dorsetensia regrediens Haug 1893

†Dorsetensia romani Schlegelmilch 1985

†Dorsetensia tessoniana d'Orbigny 1846

G. †Fontannesia

†Fontannesia austroamericana Jaworski 1926

†Fontannesia montillanensis Linares and Sandoval 1988

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

G. †Guhsania

G. †Newmarracarroceras Hall 1989

†Newmarracarroceras clarkei Crick 1894

Invalid names: Dorsetensia etheridgei Whitehouse 1924 [synonym], Fontannesia whitehousei Arkell 1954 [synonym]

†Newmarracarroceras fairbridgei Arkell 1954

G. †Witchellia Buckman 1889

†Witchellia albida Buckman 1926

†Witchellia australica Arkell 1954

†Witchellia companyi Sandoval 2022

†Witchellia connata Buckman 1927

†Witchellia hyalina Buckman 1924

Invalid names: Sonninites simulans Buckman 1926 [synonym]

†Witchellia jugifera Waagen 1867

†Witchellia laeviuscula Sowerby 1824

†Witchellia macer Buckman 1889

Invalid names: Maceratites aurifer Buckman 1928 [synonym], Maceratites costulatus Buckman 1928 [synonym]

†Witchellia minima Hiltermann 1939

†Witchellia moisyi Brasil 1893

†Witchellia nodatipinguis Buckman 1923

†Witchellia peleka Buckman 1923

†Witchellia romanoides Douville 1885

†Witchellia ruber Buckman 1926

†Witchellia sayni Haug 1893

Invalid names: Ludwigia corrugata Douville 1885 [synonym]

†Witchellia striata Sandoval 2022

†Witchellia sutneroides Westermann 1969

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

†Buchiceras (Sphenodiscus) belviderensis serpentinus Cragin 1900

†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

†Anahoplites gracilis Spath 1928

†Anahoplites picteti Spath 1925

†Anahoplites planus Mantell 1822

Invalid names: Ammonites splendens Sowerby 1815 [replaced]

†Anahoplites williamsi Maury 1936

†Anahoplites yakounensis Whiteaves 1900

G. †Anahoplitoides Casey 1961

G. †Lepthoplites

†Lepthoplites cantabrigiensis Spath 1926

†Lepthoplites gracilis Spath 1928

Invalid names: Semenovitinae Mirzoev 1967 [synonym]

Subfm. †Gastroplitinae Wright 1952

G. †Alopecoceras Kennedy 1978

G. †Anagastroplites Jeletzky 1980

†Anagastroplites tozeri Jeletzky 1980

G. †Gastroplites

†Gastroplites canadensis Whiteaves 1893

†Gastroplites subquadratus Nagy 1970

G. †Neogastroplites

†Neogastroplites americanus Reeside and Weymouth 1934

†Neogastroplites cornutus Whiteaves 1885

Invalid names: Kanabiceras wyomingense Reeside and Weymouth 1931 [synonym]

†Neogastroplites kamchatkensis Alabushev and Wiedmann 1994

G. †Paragastroplites Imlay 1961

G. †Pseudogastroplites Jeletzky 1980

†Pseudogastroplites arcticus Jeletzky 1980

†Pseudogastroplites nanus Jeletzky 1980

G. †Pseudopulchellia Imlay 1961

†Pseudopulchellia balkwilli Jeletzky 1980

†Pseudopulchellia flexicostata Imlay 1961

†Pseudopulchellia pattoni Imlay 1961

†Pseudopulchellia susukii Murphy and Rodda 1959

G. †Sokolovites Casey 1966

G. †Stelckiceras Jeletzky 1980

†Stelckiceras liardense Whiteaves 1889

G. †Stotticeras Jeletzky 1980

†Stotticeras crowense Jeletzky 1980

Subfm. †Hoplitinae Douvillé 1890

G. †Arrhaphoceras Whitehouse 1927

Subg. †Arrhaphoceras (Arrhaphoceras) Whitehouse 1927

Subg. †Arrhaphoceras (Praeschloenbachia) Scholz 1973

G. †Callihoplites

†Callihoplites auritus Sowerby 1816

†Callihoplites dorsetensis Spath 1928

†Callihoplites tetragonus Seeley 1865

Invalid names: Ammonites acanthonotus Seeley 1865 [synonym], Callihoplites atavus Spath 1928 [synonym], Callihoplites fuscus Spath 1928 [synonym], Callihoplites gymnus Spath 1928 [synonym], Callihoplites paradoxus Spath 1928 [synonym], Callihoplites pulcher Spath 1928 [synonym], Callihoplites senilis Spath 1928 [synonym]

†Callihoplites variabilis Spath 1927

G. †Dimorphoplites

†Dimorphoplites tethydis Bayle 1878

G. †Discohoplites

†Discohoplites coelonotus Seeley 1865

†Discohoplites simplex Wright and Wright 1949

†Discohoplites subfalcatus Semenov 1899

†Discohoplites valbonnensis Hébert and Munier-Chalmas 1875

G. †Epihoplites

Subg. †Epihoplites (Metaclavites) Casey 1965

Invalid names: Gazdaganites [synonym]

G. †Euhoplites

†Euhoplites reesidei Maury 1936

G. †Hoplites

Subg. †Hoplites (Hoplites) Neumayr 1875

Subg. †Hoplites (Isohoplites) Casey 1954

†Hoplites aguilearae Böse 1923

†Hoplites mirabiliformis Spath 1925

†Hoplites moutonianus d'Orbigny 1850

†Hoplites obtusenodosa Retowski 1893

†Hoplites symonensis Böse 1923

†Neoptychites (Hoplites) wohltmanni von Koenen 1897

G. †Hyphoplites Spath 1922

†Hyphoplites campichei Spath 1925

†Hyphoplites costosus Wright and Wright 1949

†Hyphoplites curvatus Mantell 1822

†Hyphoplites falcatus Mantell 1822

G. †Pleurohoplites

†Pleurohoplites renauxianus d'Orbigny 1840

G. †Semenoviceras Wright et al. 1996

Subg. †Semenoviceras (Planihoplites) Saveliev 1992

Subg. †Semenoviceras (Semenoviceras) Wright 1996

†Semenoviceras michalskii Semenov 1899

Invalid names: Hoplites pseudoauritus Semenov 1899 [synonym], Semenovites (Semenovites) tamalakensis Saveliev 1992 [synonym]

†Semenoviceras solidus Savelev 1960

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

†Farnhamia farnhamensis Casey 1954

G. †Otohoplites Steinmann 1925

†Otohoplites auritiformes Spath 1925

†Otohoplites glyphus Casey 1965

†Otohoplites guersanti d'Orbigny 1841

†Otohoplites raulinianus d'Orbigny 1841

G. †Protohoplites Spath 1923

Subg. †Protohoplites (Hemisonneratia) Casey 1952

Subg. †Protohoplites (Protohoplites) Spath 1923

G. †Pseudosonneratia Spath 1925

G. †Sonneratia Bayle 1878

†Sonneratia crossi Anderson 1938

†Sonneratia dutempleana d'Orbigny 1850

†Sonneratia kitchini Spath 1925

†Sonneratia perrinsmithi Anderson 1938

†Sonneratia rotator Casey 1965

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

†Hoplitoplacenticeras (Hoplitoplacenticeras) coesfeldiense Schluter 1867

†Hoplitoplacenticeras (Hoplitoplacenticeras) howarthi Collignon 1970

Invalid names: Hoplitoplacenticeras antokazoense Collignon 1970 [synonym], Hoplitoplacenticeras besairei Collignon 1970 [synonym], Hoplitoplacenticeras trangahyense Collignon 1970 [synonym]

†Hoplitoplacenticeras (Hoplitoplacenticeras) marroti Coquand 1859

†Hoplitoplacenticeras (Hoplitoplacenticeras) plasticum Paulcke 1907

†Hoplitoplacenticeras (Hoplitoplacenticeras) preyi Kennedy and Summesberger 1999

Subg. †Hoplitoplacenticeras (Lemfoerdiceras) Kennedy 1986

†Hoplitoplacenticeras (Lemfoerdiceras) lafresnayanus d'Orbigny 1841

†Hoplitoplacenticeras (Lemfoerdiceras) lemfoerdensis Schluter 1872

†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 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

†Schloenbachia varians subtuberculata Gerhardt 1897

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

†Alocolytoceras coarctatum Pompeckj 1896

Invalid names: Lytoceras angustum Monestier 1921 [synonym], Lytoceras rude Monestier 1921 [synonym]

†Alocolytoceras dorcadis Meneghini 1875

†Alocolytoceras germainei d'Orbigny 1845

†Alocolytoceras isztimeri Galácz and Kassai 2012

†Alocolytoceras ophioneum Benecke 1865

Invalid names: Ammonites (Lytoceras) catriensis Meneghini 1881 [synonym]

†Alocolytoceras sisyphus Gemmellaro 1886

†Alocolytoceras trautscholdi Oppel 1862

Invalid names: Aegolytoceras [synonym]

G. †Pleurolytoceras Hyatt 1900

†Pleurolytoceras dilucidum Oppel 1856

Invalid names: Ammonites penicillatus Quenstedt 1858 [synonym]

†Pleurolytoceras hircinum Schlotheim 1820

Invalid names: Lytoceras subhircinum Krumbeck 1925 [synonym]

†Pleurolytoceras torulosum Schubler 1831

†Pleurolytoceras wrighti Buckman 1905

Invalid names: Pachylytoceras [synonym]

Subfm. †Analytoceratinae Spath 1927

G. †Analytoceras Hyatt 1900

†Analytoceras articulatus Sowerby 1831

†Analytoceras hermanni Gümbel 1861

Invalid names: Monophyllites (Trachyphyllites) costatus Arthaber 1927 [synonym]

Invalid names: Trachyphyllites Arthaber 1927 [synonym]

Subfm. †Bouhamidoceratinae Rakus 1999

G. †Bouhamidoceras Dubar 1961

G. †Castanyiceras Rakús and Guex 2002

Subfm. †Ectocentritinae Spath 1926

G. †Adnethiceras Wiedmann 1970

†Adnethiceras adnethicus Hauer 1854

†Adnethiceras ferstli Hauer 1854

†Adnethiceras haueri Wiedmann 1970

†Adnethiceras herbichi Bonarelli 1900

Invalid names: Aegoceras simplex Vadász 1908 [synonym]

G. †Baltzerites Rakús and Guex 2002

†Baltzerites baltzeri Rakus 1972

G. †Ectocentrites Canavari 1888

†Ectocentrites altiformis Bonarelli 1899

†Ectocentrites alutae Herbich 1878

†Ectocentrites canavarii Hauer 1879

†Ectocentrites hillebrandti Blau et al. 2008

†Ectocentrites italicus Meneghini 1882

†Ectocentrites pacificus Longridge et al. 2008

†Ectocentrites thibaudi Meister et al. 2010

Invalid names: Ammonites altecinctus Hauer 1866 [nomen dubium], Cosmolytoceras Spath 1924 [objective synonym]

G. †Exomiloceras Wiedenmayer 1979

†Exomiloceras altum Hauer 1856

G. †Galaticeras

†Galaticeras aegoceroides Gemmellaro 1884

Invalid names: Amphiceras savii Levi 1896 [synonym]

†Galaticeras canavarii Fucini 1899

†Galaticeras harpoceratoides Gemmellaro 1884

†Galaticeras propinquum Gemmellaro 1884

†Galaticeras subtriangulare Rakús and Guex 2002

†Galaticeras telegdirothi Kovacs 1934

G. †Holcolytoceras Spath 1924

†Holcolytoceras nodostrictum Quenstedt 1885

†Holcolytoceras raui Wiedmann 1970

G. †Kericserites Geczy and Meister 2007

†Kericserites spinosus Geczy and Meister 2007

G. †Lytoconites Wiedmann 1970

†Lytoconites hierlatzicus Geyer 1886

G. †Lytotropites Spath 1924

†Lytotropites compressus Meister et al. 2011

†Lytotropites fucinii Bonarelli 1900

G. †Peltolytoceras Spath 1924

†Peltolytoceras giordanii Bonarelli 1900

Invalid names: Galaticeratinae Geczy and Meister 2007 [synonym]

Subfm. †Lytoceratinae Neumayr 1875

G. †Ammonoceratites Bowditch 1822

†Ammonoceratites crenocostatus Whiteaves 1876

†Ammonoceratites lamarcki Bowditch 1822

†Lytoceras (Ammonoceratites) betiokyense Collignon 1962

G. †Carinolytoceras Wiedmann 1962

†Carinolytoceras carinatum Wiedmann 1962

G. †Lobolytoceras Buckman 1923

G. †Lytoceras Suess 1865

Subg. †Lytoceras (Argonauticeras) Anderson 1938

Subg. †Lytoceras (Derolytoceras) Rosenberg 1909

Subg. †Lytoceras (Saturnoceras) Anderson 1938

Subg. †Lytoceras (Trachylytoceras) Buckman 1913

†Lytoceras album Quenstedt 1857

†Lytoceras aulaeum Anderson 1938

†Lytoceras baconicum Vadasz 1910

†Lytoceras batesi Trask 1855

†Lytoceras belliseptatiforme Collignon 1962

†Lytoceras celticum Geyer 1886

†Lytoceras colusaense Anderson 1945

†Lytoceras cornucopia Young and Bird 1822

†Lytoceras crenatum Buckman 1926

†Lytoceras elegans Rǎileanu 1953

†Lytoceras eudesianum d'Orbigny 1846

†Lytoceras fimbriatoides Gemmellaro 1884

†Lytoceras fimbriatum Sowerby 1817

†Lytoceras francisci Oppel 1865

†Lytoceras fuggeri Geyer 1893

†Lytoceras furcicrenatum Buckman 1928

†Lytoceras galatiforme Rakús and Guex 2002

†Lytoceras huberti Anderson 1945

†Lytoceras juilleti d'Orbigny 1841

Invalid names: Lytoceras obliquestrangulatum Kilian 1888 [synonym]

†Lytoceras lexeni Toula 1911

†Lytoceras liebigi Oppel 1865

Invalid names: Ammonites adelae d'Orbigny 1848 [replaced]

†Lytoceras linneanum d'Orbigny 1846

†Lytoceras montanum Oppel 1865

†Lytoceras municipale Oppel 1865

†Lytoceras orsinii Gemmellaro 1872

†Lytoceras ovimontanum Geyer 1893

†Lytoceras perplexum Meister et al. 2011

†Lytoceras pictaviense d'Orbigny 1846

†Lytoceras polycyclum Neumayr 1871

†Lytoceras praesublineatum Fucini 1899

†Lytoceras rex Waagen 1875

†Lytoceras rhodanicum Monestier 1931

†Lytoceras richei Sayn 1901

†Lytoceras salebrosum Pompeckj 1896

†Lytoceras saturnale Anderson 1938

†Lytoceras schlosseri Krenkel 1910

Invalid names: Lytoceras hennigi Zwierzycki 1914 [synonym]

†Lytoceras secernendum De Stefani 1887

†Lytoceras siemensi Denckmann 1887

†Lytoceras strambergensis Oppel 1868

†Lytoceras subfimbriatum d'Orbigny 1841

†Lytoceras subfrancisci Surani 1964

Invalid names: Lytoceras vaceki Géczy 1967 [synonym]

†Lytoceras sublineatum Oppel 1862

†Lytoceras subsequens Karakasch 1907

†Lytoceras sutile Oppel 1863

†Lytoceras taharoaense Stevens 1985

†Lytoceras traski Anderson 1938

†Lytoceras trompianum Hauer 1861

†Lytoceras villae Meneghini 1874

Invalid names: Kallilytoceras residuum Wiedenmayer 1977 [synonym]

†Lytoceras vogdti Karakasch 1907

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

†Zaghouanites arcanum Wiedenmayer 1977

†Zaghouanites bettonii Fucini 1920

Subfm. †Megalytoceratinae Spath 1927

G. †Megalytoceras Buckman 1905

†Megalytoceras amplum Oppel 1862

†Megalytoceras confusum Buckman 1881

†Megalytoceras kasakovae Beznosov 1958

†Megalytoceras metretum Buckman 1923

†Megalytoceras rasile Vacek 1886

†Megalytoceras rubescens Dumortier 1874