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Eogastropoda

Gastropoda

Taxonomy
Eogastropoda was named by Ponder and Lindberg (1996) [m. kosnik taxon no: 7618]. It is extant.

It was assigned to Gastropoda by Beesley (1998), Lozouet et al. (2001) and Jeffery (2003).

Synonyms
Synonymy list
YearName and author
1996Eogastropoda Ponder and Lindberg
1998Euomphalomorpha Bandel and Frýda p. 118
1998Eogastropoda Beesley p. 639
2001Eogastropoda Lozouet et al. p. 15
2003Eogastropoda Jeffery

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
RankNameAuthor
superphylumLophotrochozoa
phylumMollusca
classGastropoda
subclassEogastropoda
subclassEogastropoda

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.

Subcl. Eogastropoda Ponder and Lindberg 1996
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Subor. Docoglossa Troschel 1866
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Invalid names: Acmaeoidea Forbes 1850 [empty], Lepetopsina [empty], Nacellina [empty]
Or. †Euomphalina de Koninck 1881
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G. †Bridegeites Flower 1968
Superfm. †Craspedostomatoidea Wenz 1938
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Fm. †Codonocheilidae Miller 1889
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G. †Bathyclides Strand 1928
G. †Codonocheilus Whiteaves 1884
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Codonocheilus striatum Whiteaves 1884
G. †Dihelice Schmidt 1905
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Dihelice dathei Schmidt 1905
G. †Natiria de Koninck 1881
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Natiria aequicostata Batten and Stokes 1986
Natiria costata Munster 1841
Natiria costata Patte 1922
Natiria eligma Pan 1982
Natiria gemmulata Zhu 1995
Natiria lyrata Phillips 1836
Invalid names: Fritschia Picard 1901 [synonym]
G. †Pirper Gregorio 1886
G. †Ventricaria Koken 1896
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Ventricaria pupaeforma Vacek 1886
Ventricaria vesicula Szabo 1983
Superfm. †Euomphaloidea White 1877
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Fm. †Anomphalidae Wenz 1938
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G. †Anomphalus Meek and Worthen 1866
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Anomphalus amorphus Haas 1953
Anomphalus barskovi Mazaev 2015
Anomphalus biconcavus Haas 1953
Anomphalus blancus Kues and Batten 2001
Anomphalus decoratus Delpey 1941
Anomphalus fusuiensis Pan and Erwin 2002
Anomphalus glaucus Mazaev 2019
Anomphalus helicoides Münster 1841
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Invalid names: Euomphalus complanatus Klipstein 1843 [synonym], Euomphalus helicoides Klipstein 1843 [synonym], Euomphalus pygmaeus Münster 1841 [synonym], Euomphalus reconditus Klipstein 1843 [synonym], Euomphalus sphaeroidicus Klipstein 1843 [synonym]
Anomphalus jaggerius Plas 1972
Anomphalus japonicus Nützel and Nakazawa 2012
Anomphalus lateumbilicatus Nützel and Ketwetsuriya 2016
Anomphalus minutus Grabau 1936
Anomphalus murankaensis Mazaev 2020
Anomphalus permianus King 1848
Anomphalus planus Licharew 1967
Anomphalus rotulensis Licharev 1967
Anomphalus rotulus Meek and Worthen 1867
Anomphalus studiosus Yochelson 1956
Anomphalus sundaicus Wanner 1942
Anomphalus umbilicatus Knight 1933
Anomphalus vanescens Yochelson 1956
G. †Bolicharewia Mazaev 2019
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Bolicharewia edita Mazaev 2019
G. †Delphinuella Heidelberger 2001
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Delphinuella subarmata Sandberger and Sandberger 1854
G. †Diploconula Yochelson 1956
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Diploconula biconvexa Yochelson 1956
G. †Givediscus Heidelberger 2001
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Givediscus lahnicus Heidelberger 2001
G. †Isonema Meek and Worthen 1866
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Isonema depressum Meek and Worthen 1866
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Invalid names: Isonema humile Meek 1871 [synonym]
Isonema linearis Keyes 1889
Isonema verae Frech 1894
G. †Littorella Heidelberger 2001
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Littorella subrugosa Sandberger and Sandberger 1854
G. †Nodinella Heidelberger 2001
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Nodinella dualia Heidelberger 2001
Nodinella sterrmannia Heidelberger 2001
Subfm. †Pycnomphalinae Peel 1984
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G. †Isfarispira Gubanov et al. 1995
G. †Pycnomphalus Lindström 1884
G. †Pycnotrochus Perner 1903
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Invalid names: Grantlandispira Peel 1984 [synonym]
G. †Turbocheilus Perner 1907
G. †Tychonia de Koninck 1881
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Tychonia fortis Mazaev 2019
Tychonia glabrata Phillips 1836
Tychonia inexpectata Kues 1995
Tychonia omaliana de Koninck 1844
Fm. †Elasmonematidae Knight 1956
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G. †Anematina Knight 1933
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Anematina conica Winchell 1863
Anematina indiscreta Mazaev 2019
Anematina micula Girty 1909
Anematina nordhusiana Dietz 1911
Anematina parva Nützel and Nakazawa 2012
Anematina permiana Jakowlew 1899
Anematina prisca Waagen 1880
Anematina proutana Hall 1856
Anematina rockymontanum Shimer 1926
Anematina rugoza Mazaev 2015
Anematina subconica Hall 1860
G. †Discordichilus Cossmann 1918
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Discordichilus aspersus Perner 1903
Discordichilus conus Kindle 1900
Discordichilus dalli Lindström 1884
Discordichilus globrous Xi and Yu 1990
Discordichilus harmonia Billings 1865
Discordichilus kolmodini Lindström 1884
Discordichilus mollis Lindström 1884
Discordichilus normalis Perner 1903
Discordichilus obesum Lindström 1884
Discordichilus venalis Perner 1903
Invalid names: Umbotrochus Perner 1903 [synonym]
G. †Elasmonema Fischer 1885
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Elasmonema amabile Perner 1903
Elasmonema bellatula Hall 1861
Elasmonema clarki Nettelroth 1889
Elasmonema corrugata Stauffer 1909
Elasmonema elegans Hall 1860
Elasmonema filosum Clarke 1904
Elasmonema gracilis Tolmachoff 1930
Elasmonema hermitei Munier-Chalmas 1876
Elasmonema imitator Hall and Whitfield 1872
Elasmonema improbum Perner 1907
Elasmonema lichas Hall 1861
Elasmonema rotundum Whidborne 1892
Elasmonema surgens Perner 1903
Invalid names: Callonema Hall 1879 [replaced]
G. †Hawletrochus Frýda and Bandel 1997
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Hawletrochus pragensis Frýda and Bandel 1997
G. †Heidelbergeria Krawczyński 2006
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Heidelbergeria czarnieckii Krawczyński 2006
G. †Kimina Yoo 1994
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Kimina australis Yoo 1994
Kimina globosa Yoo 1994
Kimina minor Yoo 1994
Kimina yooi Frýda and Bandel 1997
G. †Kyndalynia Yoo 1994
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Kyndalynia inflata Yoo 1994
G. †Streptotrochus Perner 1907
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Streptotrochus amicus Perner 1903
Streptotrochus cyclostoma Whiteaves 1884
Streptotrochus deciduus Williams and Breger 1916
Streptotrochus densestriatus Lindström 1884
Streptotrochus incisus Lindström 1884
Streptotrochus mercurius Perner 1907
Streptotrochus pressulus Tschernischeff 1885
Streptotrochus rugulosus Perner 1907
Fm. †Euomphalidae White 1877
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G. †Acanthonema Sherzer and Grabau 1910
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Acanthonema holopiforme Sherzer and Grabau 1910
Acanthonema laxa Sherzer and Grabau 1910
Acanthonema newberryi Meek 1871
G. †Alaionema Gubanov et al. 1995
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Alaionema crenulatum Meek 1871
Alaionema kyrgyzensis Gubanov et al. 1995
Alaionema laudabilis Perner 1903
G. †Anisostoma Koken 1889
G. †Araeonema Knight 1933
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Araeonema clathratus Paeckelmann 1913
Araeonema osterholzensis Heidelberger and Amler 2002
Araeonema panthalassica Nützel and Nakazawa 2012
Araeonema tenuistriata Netchaev 1894
Araeonema virgatum Knight 1933
Invalid names: Palaeoturbina Wenz 1938 [synonym]
G. †Austerum Heidecker 1959
G. †Biformispira Rohr 1980
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G. †Burdikinia Knight 1937
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Burdikinia axionoides Etheridge, Jr. 1921
Burdikinia burdekinensis Etheridge 1917
Invalid names: Polyamma Etheridge 1917 [replaced]
G. †Centrifugus Bronn 1835
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Centrifugus planorbis Bronn 1835
Centrifugus procera Perner 1907
Invalid names: Hisingeria Ulrich and Scofield 1897 [objective synonym]
G. †Condonella McLellan 1927
G. †Cylicioscapha Yochelson 1956
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Cylicioscapha khmeriana Mansuy 1914
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Invalid names: Euomphalus gigantonodus Wang 1985 [synonym]
G. †Devonicornu Frýda 1998
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Devonicornu parvulum Frýda 1998
G. †Discotropis Yochelson 1956
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Discotropis girtyi Yochelson 1956
Discotropis klobukowskii Mansuy 1912
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Invalid names: Euomphalus rectangulus Mansuy 1913 [synonym]
Discotropis publicus Yochelson 1956
Discotropis sulcifer Girty 1908
Discotropis turritus Delpey 1941
G. †Eleutherospira Blodgett and Johnson 1992
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Eleutherospira medfraensis Blodgett and Johnson 1992
Eleutherospira sinistralis Blodgett and Johnson 1992
Eleutherospira steltenbergensis Heidelberger and Koch 2005
G. †Elkoceras Lintz and Lohr 1958
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Elkoceras volborthi Lintz and Lohr 1958
Subfm. †Euomphalinae White 1877
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G. †Amphiscapha Knight 1942
G. †Heteronodosus Pan and Zhang 1983
G. †Leptomphalus Yochelson 1956
G. †Paromphalus Grabau 1936
G. †Planotectus Yochelson 1956
G. †Pseudomphalotrochus Blodgett 1992
G. †Euomphalopsis Ulrich et al. 1931
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Euomphalopsis depressa Stauffer 1937
Euomphalopsis involuta Ulrich et al. 1931
Euomphalopsis magnus Rohr et al. 2002
Subfm. †Euomphalopterinae Koken 1896
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G. †Euomphalopterus Roemer 1876
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Invalid names: Bathmopterus Kirk 1928 [synonym]
G. †Siskiyouspira Rohr 1980
G. †Euomphalus Sowerby 1814
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Subg. †Euomphalus (Schizostoma) Weigner 1937
Euomphalus acuticosta Sandberger and Sandberger 1855
Euomphalus acutus Sowerby 1818
Euomphalus altus Kirchner 1915
Euomphalus angularis Weller 1900
Euomphalus anticostiensis Twenhofel 1928
Euomphalus araneifer Whidborne 1892
Euomphalus archiaci Goldfuss 1844
Euomphalus articulatus Goldfuss 1844
Euomphalus basinodosus Kirchner 1915
Euomphalus biarmatus Klipstein 1843
Euomphalus bundtzeni Blodgett 1992
Euomphalus cassianus Koken 1889
Euomphalus catilliformis de Koninck 1881
Euomphalus catillus Martin 1793
Euomphalus cera Etheridge 1917
Euomphalus conradi Hall 1861
Euomphalus dentatus Münster 1841
Euomphalus eurekensis Walcott 1884
Euomphalus fairchildi Clarke and Ruedemann 1903
Euomphalus fenestralis Whidborne 1892
Euomphalus gradatus Koken 1896
Euomphalus helicinus Münster 1840
Euomphalus illinoisensis Thein and Nitecki 1974
Euomphalus kaibabensis Chronic 1952
Euomphalus latus Hall 1858
Euomphalus luxus Hall 1859
Euomphalus minimus M'Coy 1847
Euomphalus minor Parks 1915
Euomphalus mohri Kirchner 1915
Euomphalus neapolitanus Whidborne 1892
Euomphalus nitidulus Angelin and Lindström 1880
Euomphalus nodocarinatus Wanner 1922
Euomphalus nodulosus de Koninck 1876
Euomphalus oldhami Reed 1944
Euomphalus patulus Koken and Perner 1925
Euomphalus pentangulatus Sowerby 1814
Euomphalus perspectivus Swallow 1863
Euomphalus perversus d'Orbigny 1842
Euomphalus planodorsatus Meek and Worthen 1860
Euomphalus planorbis d’Archiac and de Verneuil 1842
Euomphalus plummeri Knight 1934
Euomphalus pronodocarinatus Pan and Yu 1993
Euomphalus pusilliformis Wanner 1922
Euomphalus radiatus Goldfuss 1832
Euomphalus rotundus Parks 1915
Euomphalus schnurii d’Archiac and de Verneuil 1842
Euomphalus serratus Knight 1934
Euomphalus similis Meek and Worthen 1862
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Invalid names: Straparollus (Euomphalus) planus Girty 1915 [synonym]
Euomphalus sinister Tolmachoff 1930
Euomphalus sinistrorsus Wanner 1922
Euomphalus studeri Klipstein 1843
Euomphalus subtrigonalis Whidborne 1891
Euomphalus sulcatus Kayser 1873
Euomphalus telleri Kittl 1891
Euomphalus trigonalis Goldfuss 1844
Euomphalus triliris Easton 1943
Euomphalus tuberculatus Tolmachoff 1930
Euomphalus utahensis Hall and Whitfield 1877
Euomphalus venustus Münster 1841
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Invalid names: Delphinula verneuilii Klipstein 1843 [synonym]
Euomphalus verneuili Goldfuss 1844
Straparollus (Euomphalus) alaskensis Yochelson and Dutro 1960
Straparollus (Euomphalus) brooksensis Yochelson and Dutro 1960
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Invalid names: Euomphalus amaenus de Koninck 1881 [synonym]
Straparollus (Euomphalus) konobasis Jeffery et al. 1994
Straparollus (Euomphalus) pernodosus Meek and Worthen 1870
Straparollus (Euomphalus) qingyanensis Yin and Yochelson 1983
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Invalid names: Euomphalus obtusus Hall 1858 [synonym]
Straparollus (Euomphalus) umbilicatus Meek and Worthen 1860
Straparollus (Euomphalus) variabilis Jeffery et al. 1994
Invalid names: Euomphalus simuloides Grabau 1931 [nomen dubium], Phymatifer de Koninck 1881 [synonym], Schizostoma Bronn 1834 [synonym]
G. †Fletcherviewia Cook 1993
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G. †Goldfussoceras Blodgett and Frýda 1999
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Goldfussoceras circinalis Goldfuss 1844
G. †Hippocampoides Wade 1916
G. †Kiaeromphalus Peel and Yochelson 1976
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Kiaeromphalus kristianiensis Peel and Yochelson 1976
Kiaeromphalus undiferus Schmidt 1858
G. †Krasopea Horný 1992
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Krasopea glabra Frýda and Bandel 1997
Krasopea solaris Horný 1992
G. †Linsleyella Rohr 1980
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Linsleyella greggi Rohr 1980
Linsleyella johnsoni Rohr 1980
Linsleyella spinosa Salter 1859
G. †Nevadaspira Yochelson 1971
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Nevadaspira cooperi Yochelson 1971
G. †Nodeuomphalus Bandel and Frýda 1998
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Nodeuomphalus labadyei d’Archiac and de Verneuil 1842
Nodeuomphalus leunissi Heidelberger and Bandel 1999
Nodeuomphalus moniliferus Romanovsky 1890
Nodeuomphalus paffrathianus Bandel and Frýda 1998
Nodeuomphalus peskensis Mazaev 1994
G. †Novakopteron Horný 2001
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Novakopteron pravoslavi Horný 2001
Subfm. †Odontomariinae Frýda et al. 2006
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G. †Mastigospira La Rocque 1949
G. †Tubiconcha Frýda et al. 2006
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Invalid names: Auricularia Heidelberger 2001 [replaced]
G. †Offleyotrochus Peel 1979
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Offleyotrochus naresi Etheridge 1878
G. †Pentagonodiscus Wendt 1968
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G. †Phanerotinus Sowerby 1844
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Phanerotinus cristatus Phillips 1836
Phanerotinus intermedius de Koninck 1883
Phanerotinus mundus Whidborne 1892
Phanerotinus nudus Sowerby 1844
Phanerotinus serpula de Koninck 1843
G. †Pleuronotus Hall 1879
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Pleuronotus confusus Perner 1903
Pleuronotus decewi Billings 1861
Pleuronotus tioga Hall 1876
G. †Poleumita Clarke and Ruedemann 1903
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Poleumita alatum Lindström 1884
Poleumita anabarica Kurushin 1986
Poleumita crenulata Whiteaves 1884
Poleumita discors Sowerby 1814
Poleumita gyrans Lindström 1884
Poleumita haliburtoni McLearn 1924
Poleumita hudsonica Parks 1913
Poleumita incarinatus Foerste 1893
Poleumita mashkovae Kurushin 1986
Poleumita myeri Goldfuss 1844
Poleumita octavia d'Orbigny 1850
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Invalid names: Poleumita carinata de Sowerby and Murchison 1839 [replaced]
Poleumita prosseri Foerste 1919
Poleumita rugosa Sowerby 1814
Poleumita scamnata Clarke and Ruedemann 1903
Poleumita semiplanus Perner 1907
Poleumita subsulcatus Hisinger 1837
Poleumita vernonensis Fisher 1957
Poleumita walmstedti Lindström 1884
Invalid names: Polytropina Donald 1905 [objective synonym], Polytropis de Koninck 1881 [replaced]
G. †Rhabdotocochlis Knight 1933
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Rhabdotocochlis ovata Wang 1980
Rhabdotocochlis rugata Knight 1933
G. †Rihamphalus Frýda 1998
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Rihamphalus gracilis Ríha 1938
G. †Saturnotropis Horný 1992
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Saturnotropis simulans Perner 1903
G. †Sinistrispira Jhaveri 1969
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G. †Sinutropis Perner 1903
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Sinutropis esthetica Perner 1903
Sinutropis interrumpens Perner 1903
Sinutropis spiralis Rohr 1988
Sinutropis tenera Perner 1903
G. †Straparollus de Montfort 1810
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Subg. †Straparollus (Philoxene) Kayser 1889
Subg. †Straparollus (Straparollus) de Montfort 1810
Straparollus acuminatus Frýda 1998
Straparollus aequalis Sowerby 1815
Straparollus ammon White and Whitfield 1862
Straparollus arcturus Yancey 1969
Straparollus ater Spitz 1907
Straparollus bicavatus Spriestersbach 1942
Straparollus brevis Yoo 1994
Straparollus complanans Perner 1903
Straparollus daphne Billings 1865
Straparollus davidi Dun and Benson 1920
Straparollus devonoaltus Heidelberger and Bandel 1999
Straparollus dionysii de Montfort 1810
Straparollus expectans Perner 1907
Straparollus filifora Perner 1903
Straparollus fragilis Perner 1903
Straparollus hecale Hall 1876
Straparollus heliciformis de Koninck 1881
Straparollus hippolyta Billings 1865
Straparollus honoratus Perner 1903
Straparollus incongruens Perner 1903
Straparollus ineptus de Koninck 1881
Straparollus inops Hall 1876
Straparollus kokeni Spitz 1907
Straparollus leptoni Tassell 1982
Straparollus levigatus Léveillé 1835
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Invalid names: Straparollus minutus de Koninck 1881 [synonym]
Straparollus lonemountainensis Blodgett and Johnson 1992
Straparollus macromphalus Winchell 1863
Straparollus magnus Kurushin 1986
Straparollus multispina Sandberger and Sandberger 1855
Straparollus newarkensis Walcott 1884
Straparollus newarkensis Walcott 1884
Straparollus paullulus Koken and Perner 1925
Straparollus pileopsideus Phillips 1836
Straparollus planorbiformis de Koninck 1881
Straparollus planus Heidelberger 2001
Straparollus portlandensis Fenton and Fenton 1924
Straparollus rudis Hall 1876
Straparollus turritus Sandberger and Sandberger 1855
Straparollus ultimus Kittl 1891
Straparollus vermis Whidborne 1896
Straparollus volnovachensis Zernetskaya 1967
Straparolus australis Maxwell 1961
Straparolus subdionysii Maxwell 1961
G. †Stusakia Frýda 1998
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Stusakia pulchra Frýda 1998
G. †Tongweispira Tong and Erwin 2001
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Tongweispira sichuanensis Tong and Erwin 2001
G. †Tychobrahea Horny 1992
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Tychobrahea aerumnans Horný 1992
Tychobrahea amosi Horný 1992
Tychobrahea concors Perner 1903
Tychobrahea proctoni Tassell 1982
G. †Weeksia Stephenson 1941
Invalid names: Euomphalopteridae Koken 1896 [synonym], Poleumitidae Wenz 1938 [synonym], Polytropidae Ulrich 1897 [invalid subgroup], Schizostomatidae Bronn 1849 [invalid subgroup], Straparollinae Cossmann 1916 [invalid subgroup]
Fm. †Helicotomidae Wenz 1938
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G. †Amphelissa Etheridge 1921
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Amphelissa carinatum Heidecker 1959
Amphelissa isisensis Etheridge, Jr. 1921
G. †Boucotspira Rohr 1980
G. †Boucotspira Rohr 1980
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Boucotspira carinifer Koken 1896
Boucotspira fimbriata Rohr 1980
Boucotspira lamellosus Lindström 1884
Boucotspira ordovicus Longstaff 1924
Boucotspira ozawai Kobayashi 1930
Boucotspira wisbyensis Lindström 1884
G. †Helicotoma Salter 1859
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Helicotoma blodgetti Rohr 1988
Helicotoma brocki Foerste 1912
Helicotoma declivis Safford 1869
Helicotoma gorgonea Billings 1865
Helicotoma granosa Ulrich and Scofield 1897
Helicotoma marginata Ulrich and Scofield 1897
Helicotoma miser Billings 1865
Helicotoma missouriensis Branson 1909
Helicotoma oriens Perner 1903
Helicotoma planulata Salter 1859
Helicotoma planulatoides Ulrich and Scofield 1897
Helicotoma proserpina Billings 1865
Helicotoma robinsoni Rohr 1988
Helicotoma robusta Ulrich and Scofield 1897
Helicotoma subquadrata Ulrich and Scofield 1897
Helicotoma superba Koken 1897
Helicotoma tennesseensis Safford 1869
Helicotoma tritonia Billings 1865
Helicotoma umbilicata Ulrich and Scofield 1897
Helicotoma verticalis Ulrich and Scofield 1897
Helicotoma whiteavesiana Raymond 1908
G. †Lophonema Purdue and Miser 1916
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Lophonema abrupta Billings 1859
Lophonema calphurnia Billings 1865
Lophonema circumlirata Whitfield 1886
Lophonema costata Kobayashi 1959
Lophonema frydai Rohr 1994
Lophonema peccatonica Sardeson 1896
Lophonema perstriata Billings 1859
Lophonema taneyensis Cullison 1944
Lophonema tricarinata Billings 1859
Lophonema wuhuensis Endo 1935
Invalid names: Polhemia Cullison 1944 [synonym], Walcottoma Rohr 1994 [synonym]
G. †Ophiletina Ulrich and Scofield 1897
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Ophiletina angularis Ulrich and Scofield 1897
Ophiletina bromidensis Rohr and Johns 1990
Ophiletina fausta Sardeson 1896
Ophiletina shokoriense Kobayashi 1930
Ophiletina sublaxa Ulrich and Scofield 1897
G. †Palaeomphalus Koken and Perner 1925
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Palaeomphalus glabra Koken and Perner 1925
Palaeomphalus obtusangulus Angelin and Lindström 1880
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Invalid names: Palaeomphalus gradata Koken 1896 [synonym], Palaeomphalus immigrata Koken and Perner 1925 [synonym], Palaeomphalus laminosus Koken 1897 [synonym]
Palaeomphalus olsoni Rohr 1980
G. †Paraviviana Kutassy 1940
G. †Yochelsoniella Rohr and Huddleston 1982
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Invalid names: Ellisella Rohr 1980 [replaced]
Fm. †Holopeidae Wenz 1938
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G. †Cyclora Hall 1845
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Cyclora parvula Hall 1845
G. †Eopagodea Frýda et al. 2001
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Eopagodea sevillana Frýda et al. 2001
G. †Holopea Hall 1847
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Holopea aequalis Koken and Perner 1925
Holopea ampla Ulrich and Scofield 1897
Holopea ampullacea d'Eichwald 1860
Holopea antiquata Perner 1903
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Invalid names: Radvanospira ferrigenum Perner 1911 [synonym]
Holopea applanata Lindström 1884
Holopea appressa Ulrich and Scofield 1897
Holopea arctica Schuchert 1900
Holopea balticus Koken and Perner 1925
Holopea brucei Rohr 1980
Holopea concinna McCoy 1862
Holopea concinnula Ulrich and Scofield 1897
Holopea coronata Koken and Perner 1925
Holopea corrugata Twenhofel 1928
Holopea eichwaldi Koken 1897
Holopea elizabethi Rohr 1980
Holopea enjalrani Clarke 1907
Holopea excelsa Ulrich and Scofield 1897
Holopea expandens Perner 1907
Holopea filosus Koken and Perner 1925
Holopea gaspesia Clarke 1908
Holopea gigantea Nelson 1963
Holopea glindmeyeri Rohr 1980
Holopea gracia Billings 1865
Holopea guelphensis Billings 1865
Holopea harpa Angelin and Lindström 1880
Holopea hubbardi Miller 1892
Holopea inaequistriata Koken and Perner 1925
Holopea incola Perner 1903
Holopea inflata Yü 1961
Holopea informis Wilson 1932
Holopea insignis Ulrich and Scofield 1897
Holopea iowaensis Webster 1906
Holopea latens Öpik 1953
Holopea lavinia Billings 1865
Holopea marylandica Clarke and Swartz 1913
Holopea media Wilson 1951
Holopea mediocris Billings 1866
Holopea missouriensis Bradley 1930
Holopea mobergi Troedsson 1918
Holopea nicolettensis Foerste 1924
Holopea nitidissima Lindström 1884
Holopea obliqua Hall 1847
Holopea obsoleta Hall 1852
Holopea occidentalis Nicholson 1872
Holopea ottawaensis Wilson 1951
Holopea ovalis Billings 1859
Holopea parvula Ulrich and Scofield 1897
Holopea perforata Lindström 1884
Holopea plauta Raymond 1906
Holopea praecursor Koken and Perner 1925
Holopea pumila Zhu 1995
Holopea pyrene Billings 1865
Holopea rotunda Ulrich and Scofield 1897
Holopea scalariforme Lindström 1884
Holopea scrutator Raymond 1905
Holopea similis Ulrich and Scofield 1897
Holopea simmonensis Tolmachoff 1930
Holopea simplex Koken and Perner 1925
Holopea subconica Winchell 1863
Holopea subtilis Ulrich and Scofield 1897
Holopea supraplana Ulrich and Scofield 1897
Holopea symmetrica Hall 1847
Holopea transversa Lindström 1884
Holopea undulata Wilson 1932
Holopea variabilis Koken 1897
Holopea vaurealensis Twenhofel 1928
Holopea vigneauensis Twenhofel 1938
Invalid names: Cirropsis Perner 1903 [synonym], Haplospira Koken 1897 [synonym], Litiopsis Salter 1865 [objective synonym], Staurospira Perner 1907 [synonym], Tortilla Perner 1903 [synonym]
Subfm. †Holopeinae Wenz 1938
+
G. †Anastrophina Knight 1937
G. †Nematotrochus Perner 1903
G. †Protospirialis Clarke 1904
G. †Raphispira Perner 1903
G. †Threavia Lamont 1946
G. †Pachystrophia Perner 1903
+
Pachystrophia contiguus Ulrich and Scofield 1897
Pachystrophia devexa d'Eichwald 1859
+
Invalid names: Pachystrophia dissoluta Koken and Perner 1925 [synonym]
Pachystrophia dilatata Perner 1903
Pachystrophia gotlandicus Lindström 1884
+
Invalid names: Pachystrophia circinatus Whiteaves 1884 [synonym]
Pachystrophia inchoans Perner 1903
Pachystrophia inornatum Whiteaves 1884
Pachystrophia lescarboti Clarke 1908
Pachystrophia mullockensis Longstaff 1924
Pachystrophia orinini Wenjukov 1899
Pachystrophia subuloidea Perner 1903
+
Invalid names: Pachystrophia rigida Perner 1907 [synonym]
Pachystrophia triquestra Lindström 1884
Pachystrophia tuba Lindström 1884
Pachystrophia vortex d'Eichwald 1856
G. †Raphistomina Ulrich and Scofield 1897
+
Raphistomina agave Billings 1865
Raphistomina aperta Salter 1859
Raphistomina barbouri Grabau 1922
Raphistomina denticulata Ulrich and Scofield 1897
Raphistomina distincta Wilson 1921
Raphistomina fissurata Steele and Sinclair 1971
Raphistomina hortensia Billings 1865
Raphistomina lapicida Salter 1859
Raphistomina lenticulare Emmons 1842
Raphistomina modesta Ulrich and Scofield 1897
Raphistomina pillagenensis Twenhofel 1938
Raphistomina rugata Ulrich and Scofield 1897
Raphistomina tasmanica Johnston 1888
Raphistomina undulata Raymond 1906
Invalid names: Cycloridae Miller 1889 [synonym]
G. †Kitikamispira Kase and Nishida 1988
+
Cyclonemina crenulistriata obsolescens Clarke and Swartz 1913
Kitikamispira bellense Tassell 1978
Kitikamispira bicostatus Roemer 1855
Kitikamispira crenulistriata Clarke and Swartz 1913
Kitikamispira granosus Sandberger 1842
Kitikamispira kanekoi Kase and Nishida 1988
Kitikamispira minuitinodosa Blodgett and Johnson 1992
Kitikamispira minutiforma Cook et al. 2003
Kitikamispira monroei Cleland 1911
Kitikamispira multistriata Clarke and Swartz 1913
Kitikamispira ormistoni Blodgett 1992
Kitikamispira perstrialis Fenton and Fenton 1924
Kitikamispira speciosum Whiteaves 1892
+
Invalid names: Kitikamispira filicostata Spriestersbach 1942 [synonym]
Kitikamispira tubericosta Sandberger and Sandberger 1855
Fm. †Lesueurillidae Wagner 1999
+
Subfm. †Lesueurillinae Wagner 1999
+
G. †Eccyliopterus Remelé 1888
G. †Lesueurilla Koken 1898
G. †Mestoronema Wagner 1999
Subfm. †Pararaphistomatinae Wagner 1999
+
G. †Climacoraphistoma Vostokova 1955
G. †Pararaphistoma Vostokova 1955
Fm. †Microdomatidae Wenz 1938
+
G. †Amaurotoma Knight 1945
+
Amaurotoma kizilkiensis Licharew 1967
Amaurotoma kljasmensis Sinelnikova 1970
Amaurotoma knighti Elias 1958
Amaurotoma mjatschkovensis Sinelnikova 1970
Amaurotoma multispirata Ketwetsuriya et al. 2020
Amaurotoma subhumerosum Sinelnikova 1970
Amaurotoma subsinuata Meek and Worthen 1860
Amaurotoma zappa Plas 1972
G. †Copidocatomus Linsley 1968
+
Copidocatomus collarus Linsley 1968
G. †Cyclites Knight 1940
+
Cyclites costatus Yochelson 1956
Cyclites depressus Beede 1907
Cyclites diminutus Kues and Batten 2001
Cyclites globosa Weller 1916
Cyclites multilineata Girty 1908
G. †Cyclobathmus Knight 1940
+
Cyclobathmus haworthi Beede 1907
G. †Episfaxis Knight 1937
+
Episfaxis complacens Perner 1903
Episfaxis steiningeri Koken 1889
Invalid names: Cosmina Perner 1903 [replaced]
G. †Glyptospira Chronic 1952
+
Glyptospira arelela Plas 1972
Glyptospira cingulata Erwin 1988
Glyptospira cristulata Chronic 1952
Glyptospira huecoensis Erwin 1988
Glyptospira pinna Pan and Erwin 2002
Glyptospira sonorensis Blodgett et al. 2002
Glyptospira tricostata Erwin 1988
+
Invalid names: Turbo taylorianus King 1850 [synonym], Turbo thomsonianus King 1848 [synonym]
Glyptospira turrita Erwin 1988
G. †Kinkaidia Thein and Nitecki 1974
+
Kinkaidia cancellata Thein and Nitecki 1974
Kinkaidia triserrata Batten 1966
Kinkaidia uniserrata Batten 1966
G. †Knightinella Licharev 1975
+
Knightinella humerosa Meek and Hayden 1858
+
Invalid names: Knightinella subturbinata Meek and Hayden 1858 [synonym]
Knightinella ornata Nützel and Ketwetsuriya 2016
G. †Microdoma Meek and Worthen 1867
+
Subg. †Microdoma (Euconodoma) Kues 1990
Microdoma angulata Yoo 1988
Microdoma anomalum Jakowlew 1899
+
Invalid names: Microdoma tricincta Jakowlew 1899 [synonym]
Microdoma bicrenulata de Koninck 1883
Microdoma carinata Nützel and Ketwetsuriya 2016
Microdoma conicum Meek and Worthen 1867
Microdoma jamensis Mazaev 1997
Microdoma kulogorae Jakowlew 1899
Microdoma longum Mazaev 1997
Microdoma nodosum Batten 1979
Microdoma pagoda Mazaev 1997
Microdoma sinelnikovae Mazaev 1997
Microdoma tricarinatus Sherzer and Grabau 1910
Microdoma variegata Batten 1979
Invalid names: Pleurotrochus Sherzer and Grabau 1910 [synonym], Tuberculopleura Jakowlew 1899 [synonym]
Subfm. †Microdomatinae Wenz 1938
+
G. †Limburgia Heidelberger 2001
G. †Tunstallia Hollingworth and Barker 1991
+
Tunstallia helicina von Schlotheim 1820
+
Invalid names: Turbo mancuniensis Brown 1839 [synonym], Turbo meyeri Muenster 1843 [synonym], Turbo minutus Brown 1839 [synonym], Turbo permianus King 1848 [synonym]
G. †Neoplatyteichum Maxwell 1964
+
Neoplatyteichum aifamensis Dickins and Skwarko 1981
Neoplatyteichum dickinsi Maxwell 1964
Neoplatyteichum numerosum Waterhouse 1983
G. †Nettersheimia Heidelberger 2003
+
Nettersheimia jungheimi Heidelberger 2003
Fm. †Omphalocirridae Wenz 1938
+
G. †Liomphalus Chapman 1916
+
Liomphalus australis Chapman 1916
Liomphalus disjunctus Hall 1859
G. †Omphalocirrus de Ryckholt 1860
+
Omphalocirrus beyeri Heidelberger 2001
Omphalocirrus carnicus Frech 1894
Omphalocirrus goldfussi d’Archiac and de Verneuil 1842
Omphalocirrus grandis Tolmachoff 1930
Omphalocirrus hoegeri Heidelberger and Koch 2005
Omphalocirrus kaukensis Gubanov et al. 1995
Omphalocirrus kindlei Cleland 1911
Omphalocirrus manitobensis Whiteaves 1890
Omphalocirrus northi Etheridge 1890
Omphalocirrus pulcher Paeckelmann 1913
Omphalocirrus spinosus Sandberger and Sandberger 1854
Invalid names: Arctomphalus Tolmachoff 1930 [synonym], Hypomphalocirrus Linsley 1973 [synonym]
Fm. †Omphalotrochidae Knight 1945
+
G. †Arastra Stoyanow 1948
+
Arastra torquata Stoyanow 1948
G. †Archaeosphera Heidelberger and Bandel 1999
+
Archaeosphera lithoides Kirchner 1915
Archaeosphera minimus Kirchner 1915
Archaeosphera simbergi Heidelberger 2001
Archaeosphera wachtbergi Kirchner 1915
G. †Babylonites Yochelson 1956
+
Babylonites acutus Yochelson 1956
Babylonites carinatus Yochelson 1956
Babylonites conicus Yochelson 1956
Babylonites conoideus Girty 1908
Babylonites ferrieri Girty 1908
Babylonites turritus Yochelson 1956
G. †Bassotrochus Tassell 1978
+
Bassotrochus angulatus Tassell 1978
Bassotrochus serpenteus Talent 1963
G. †Cinclidonema Knight 1945
+
Cinclidonema clausepeakensis Kulas and Batten 1997
Cinclidonema marocensis Heidelberger et al. 2009
Cinclidonema texanum Knight 1945
G. †Coronopsis Waterhouse 1963
+
Coronopsis regularis Waterhouse 1963
Coronopsis vagrans Waterhouse 1963
G. †Fujispira Kase and Nishida 1986
+
Fujispira japonica Kase and Nishida 1986
G. †Labrocuspis Heidecker 1959
+
Labrocuspis kobayashii Kase and Nishida 1986
Labrocuspis nodosa Heidecker 1959
G. †Omphalotrochus Meek 1864
+
Omphalotrochus alleni Yochelson 1956
Omphalotrochus antiquus d'Orbigny 1842
Omphalotrochus canaliculatus Trautschold 1879
Omphalotrochus cochisensis Yochelson 1956
Omphalotrochus hessensis Yochelson 1956
Omphalotrochus kalitvaensis Licharev 1940
Omphalotrochus kalmiussi Zernetskaya 1967
Omphalotrochus karakubensis Zernetskaya 1967
Omphalotrochus spinosus Yochelson 1956
Omphalotrochus tabulatus Phillips 1836
Omphalotrochus timanicus Licharew 1974
Omphalotrochus uerjagensis Licharew 1974
Omphalotrochus wolfcampensis Yochelson 1956
G. †Orecopia Knight 1945
+
Orecopia circinatus Fenton and Fenton 1924
Orecopia cotei Pedder 1966
Orecopia inopinata Mazaev 2019
Orecopia kadzielniae Gürich 1896
+
Invalid names: Orecopia grabinensis Karczewski 1989 [synonym]
Orecopia mccoyi Walcott 1884
Orecopia murrayi Tassell 1978
Orecopia priscum Schlotheim 1820
G. †Sylvestria Heidelberger 2001
+
Sylvestria soetenichensis Kirchner 1915
Sylvestria zimmermanni Heidelberger and Koch 2005
G. †Trochonemopsis Meek 1873
+
Trochonemopsis emacerata Hall and Whitfield 1872
Trochonemopsis meekanum Miller 1889
+
Invalid names: Trochonemopsis ovoides Grabau and Sherzer 1910 [synonym], Trochonemopsis tricarinata Meek 1871 [replaced]
Trochonemopsis rectilatera Hall and Whitfield 1872
Trochonemopsis yandellana Hall and Whitfield 1872
G. †Ornollus Heidelberger 2001
+
Ornollus decussatus Sandberger and Sandberger 1854
Fm. †Planitrochidae Knight 1956
+
G. †Horologium Perner 1907
+
Horologium kokeni Perner 1907
G. †Nematrochus Koken and Perner 1925
G. †Perneritrochus Cossmann 1909
+
Invalid names: Conotrochus Perner 1907 [replaced]
G. †Planitrochus Perner 1903
G. †Trochomphalus Koken and Perner 1925
+
Fm. †Pseudophoridae Miller 1889
+
G. †Astralites Whiteaves 1892
+
Astralites fimbriatus Whiteaves 1892
Astralites gamblei Blodgett et al. 2003
Astralites muelleri Heidelberger 2001
Astralites sublimbatus d'Orbigny 1850
G. †Bergmadsenella Blodgett et al. 2003
Subfm. †Decorospirinae Blodgett and Frýda 1999
+
G. †Decorospira Blodgett and Johnson 1992
G. †Dongiovannia Horný 1992
G. †Dutrochus Blodgett 1993
G. †Roemeriella Blodgett and Frýda 1999
G. †Devonoconica Heidelberger 2001
+
Devonoconica colorata Heidelberger 2001
Devonoconica undullaria Heidelberger 2001
G. †Gaspephorus Blodgett et al. 2003
G. †Kowalatrochus Krawczyński 2002
+
Kowalatrochus sanctacrucensis Krawczyński 2002
G. †Pagodea Perner 1903
+
Pagodea concomitans Perner 1903
Pagodea falcatinoda Linsley 1968
Pagodea jurkovicensis Karczewski 1989
Pagodea valentica Pitcher 1939
G. †Palaeonustus Perner 1903
G. †Peelophorus Blodgett et al. 2003
G. †Petrochus Horný 1992
+
Petrochus conica Tyler 1965
Petrochus mellaria Tyler 1965
Petrochus mouchai Horný 1992
Petrochus praecedens Horný 1992
G. †Protocalyptraea Clarke 1894
+
Protocalyptraea beecheri Clarke 1894
Subfm. †Pseudophorinae Miller 1889
+
G. †Dentanitella Heidelberger 2001
G. †Rotellomphalus Perner 1903
+
Invalid names: Eoeiselia Frýda and Bandel 1997 [synonym]
G. †Pseudophorus Meek 1873
+
Pseudophorus antiquus Meek 1871
Pseudophorus carbonaria Meek and Worthen 1866
Pseudophorus cavus Lindström 1884
Pseudophorus excavata Perner 1903
Pseudophorus limbatus d’Archiac and de Verneuil 1842
Pseudophorus oxygonus Römer 1843
Pseudophorus profundus Lindström 1884
Pseudophorus stuxbergi Lindström 1884
Invalid names: Flemingella Knight 1936 [synonym]
G. †Pseudotectus Perner 1903
+
Pseudotectus annae Frech 1894
Pseudotectus carinatus Perner 1903
Pseudotectus comes Perner 1903
+
Invalid names: Pseudotectus hercynia Billings 1865 [synonym]
Pseudotectus immersus Perner 1903
Pseudotectus scupini Spitz 1907
G. †Sallya Yochelson 1956
+
Sallya bicincta Yochelson 1956
Sallya bimaris Mazaev 2019
Sallya indigena Mazaev 2019
Sallya linsa Yochelson 1956
Sallya lirata Chronic 1952
Sallya striata Yochelson 1956
Sallya terendaka Batten 1979
G. †Scalaetrochus Etheridge 1890
+
Scalaetrochus fragosus Linsley 1968
Scalaetrochus lindstroemi Etheridge 1890
Scalaetrochus sinensis Pan and Cook 2003
Scalaetrochus stachei Spitz 1907
Scalaetrochus subalatus de Verneuil 1850
Scalaetrochus tectiformis Whiteaves 1892
Scalaetrochus vilis Spitz 1907
G. †Shedhornia Kulas and Batten 1997
+
Shedhornia ornata Kulas and Batten 1997
G. †Siluriphorus Cossmann 1918
+
Siluriphorus antiqua Cresswell 1893
Siluriphorus fulminatus Lindström 1884
Siluriphorus gotlandicus Lindström 1884
Siluriphorus undulans Lindström 1884
G. †Taemasotrochus Tassell 1982
+
Taemasotrochus bigsbyi de Koninck 1876
Taemasotrochus giganticus Tassell 1982
Taemasotrochus nodosa Pan and Cook 2003
G. †Yochelsonatia Mawson et al. 2002
+
Yochelsonatia resticula Mawson et al. 2002
Invalid names: Palaeonustidae Wenz 1938 [synonym]
Fm. †Pycnomphalidae Peel 1984
+
G. †Bobellis Peel 2019
+
Bobellis oliveri Peel 2019
G. †Rhenomphalus Bandel and Frýda 1998
+
Rhenomphalus germanus Phillips 1841
Rhenomphalus rota Sandberger and Sandberger 1854
G. †Serpulospira Cossmann 1915
+
Serpulospira annulatus Phillips 1841
Serpulospira annulatus Whiteaves 1892
Serpulospira centrifuga Römer 1843
Serpulospira laxus Hall 1859
Serpulospira lituites Spitz 1907
Serpulospira militaris Whidborne 1892
Serpulospira minutilineatus Fagerstrom 1961
Serpulospira paradoxus Winchell 1863
Serpulospira serpula d’Archiac and de Verneuil 1842
Serpulospira solutus Spitz 1907
Serpulospira swickae Blodgett and Johnson 1992
Fm. †Tychobraheidae Horný 1992
+
G. †Asinomphalus Horný 1992
+
Asinomphalus antiqua Vanuxem 1842
Asinomphalus kettneri Frýda and Bandel 1997
Asinomphalus protoni Tassell 1982
Asinomphalus ruzickai Horný 1992
G. †Komenskyspira Horný 1992
G. †Micromphalus Knight 1945
+
Micromphalus turris Knight 1945
Invalid names: Omphalocirrinae Linsley 1973 [empty]
Superfm. †Macluritoidea Carpenter 1861
+
Fm. †Macluritidae Carpenter 1861
+
G. †Maclurina Ulrich and Scofield 1897
+
Maclurina bigsbyi Hall 1861
Maclurina comes Perner 1903
Maclurina logani Salter 1852
Maclurina manitobensis Whiteaves 1890
+
Invalid names: Maclurea subovata Parks 1913 [synonym], Maclurina acutus Parks 1913 [synonym], Maclurina major Troedsson 1928 [synonym]
Maclurina sedgwicki Longstaff 1924
Maclurina serpentrionalis Koken and Perner 1925
G. †Macluritella Kirk 1927
+
Macluritella carinifera Flower 1968
Macluritella gyroceras Roemer 1852
Macluritella imperfecta Flower 1968
Macluritella mediosulcata Kobayashi 1955
Macluritella ornata Lochman 1966
Macluritella peachi Murchison 1859
Macluritella rotunda Flower 1968
Macluritella sordida Hall 1847
Macluritella stantoni Kirk 1927
+
Invalid names: Macluritella tympama Kobayashi 1955 [synonym]
Invalid names: Bridegeina Flower 1968 [synonym], Bridgeina Flower 1968 [synonym], Prohelicotoma Flower 1968 [synonym]
G. †Maclurites Le Sueur 1818
+
Maclurea carinata Walcott 1884
Maclurea exsul Koken 1897
Maclurea kotoi Kobayashi 1930
Maclurea matutina Hall 1847
Maclurea neritioides d'Eichwald 1860
Maclurea planorbis Koken 1897
Maclurea subannulata Walcott 1884
Maclurites altus Wilson 1931
Maclurites atlanticus Billings 1859
Maclurites borealis Wilson 1938
+
Invalid names: Maclurites septentrionalis Wilson 1931 [replaced]
Maclurites christianiae Koken and Perner 1925
Maclurites crassa Ulrich and Scofield 1897
Maclurites cuneata Whitfield 1878
Maclurites depressus Ulrich and Scofield 1897
Maclurites expansa Koken and Perner 1925
Maclurites florentinensis Banks and Johnson 1957
Maclurites gravis Vostokova 1964
Maclurites knoxvillensis Ulrich and Scofield 1897
Maclurites magnus Le Sueur 1818
Maclurites neritoides d'Eichwald 1860
Maclurites nitidus Ulrich and Scofield 1897
Maclurites niuhsintaiensis Kobayashi 1930
Maclurites oceana Billings 1865
Maclurites ovalis Vostokova 1964
Maclurites profunda Butts 1926
Maclurites romainensis Twenhofel 1938
Maclurites salteri Longstaff 1924
Maclurites septentrionalis Koken and Perner 1925
Maclurites subrotunda Whitfield 1878
Maclurites sylpha Billings 1865
Maclurites triangularis Teichert 1937
Maclurites ungava Wilson 1938
Invalid names: Coelocentrus von Zittel 1882 [objective synonym], Paramaclurites Vostokova 1964 [synonym], Polyenaulus Etheridge 1917 [objective synonym]
G. †Monitorella Rohr 1994
G. †Palliseria Wilson 1924
+
Palliseria acuminata Billings 1865
+
Invalid names: Maclurea rotundata Billings 1865 [synonym]
Palliseria crenulata Billings 1865
Palliseria longwelli Kirk 1930
Palliseria robusta Wilson 1924
Invalid names: Mitrospira Kirk 1930 [synonym]
G. †Rousseauspira Rohr and Potter 1987
+
Rousseauspira teicherti Rohr and Potter 1987
G. †Teiichispira Yochelson and Jones 1968
+
Teiichispira affinis Billings 1865
Teiichispira auricula Rohr 1994
Teiichispira cornucopiae Hill et al. 1969
Teiichispira emmonsi Billings 1865
Teiichispira nanus Flower 1968
+
Invalid names: Maclurites arnzeni Fix 1975 [synonym]
Teiichispira ponderosa Billings 1865
+
Invalid names: Maclurites smithvillensis Fix 1975 [replaced]
Teiichispira similis Whitfield 1890
Teiichispira tofangoense Kobayashi 1930
Teiichispira zonata Kobayashi 1959
+
Invalid names: Teiichispira kobayashi Yochelson and Jones 1968 [synonym]
G. †Zhuozishanospira Yü 1961
+
Superfm. †Ophiletoidea Knight 1956
+
Fm. †Ophiletidae Knight 1956
+
G. †Asgardaspira Wagner 1999
+
Asgardaspira evolvens Koken 1897
Asgardaspira gerulus Rohr 1993
Asgardaspira norvegica Koken and Perner 1925
Asgardaspira potteri Rohr 1988
Asgardaspira rectangularis Kobayashi 1959
G. †Ecculiomphalus Portlock 1843
+
Ecculiomphalus brevicollaris Koken and Perner 1925
Ecculiomphalus bucklandi Portlock 1843
Ecculiomphalus compressus Whitfield 1897
Ecculiomphalus devonicus Walcott 1884
Ecculiomphalus elegans Koken 1897
Ecculiomphalus fredericus Raymond 1902
+
Invalid names: Ecculiomphalus proclivis Raymond 1906 [synonym], Eccyliomphalus kalmi Raymond 1906 [synonym]
Ecculiomphalus minor Portlock 1843
Ecculiomphalus priscus Whitfield 1889
Ecculiomphalus quebecensis Billings 1865
Ecculiomphalus triangulus Whitfield 1890
Eccyliomphalus calciferus Whitfield 1889
Eccyliomphalus intortus Billings 1861
Eccyliomphalus proclivis Raymond 1906
Eccyliomphalus scotica M'Coy 1851
Invalid names: Cyrtendoceras priscum Ruedemann 1906 [nomen dubium]
G. †Lecanospira Butts 1926
+
Lecanospira biconcava Ulrich et al. 1931
Lecanospira carinata Heller 1954
Lecanospira compacta Salter 1859
+
Invalid names: Lecanospira knoxvillensis Allen and Lester 1954 [synonym], Lecanospira salteri Ulrich et al. 1931 [synonym], Lecanospira sigmoidea Ulrich et al. 1931 [synonym]
Lecanospira conferta Butts 1926
Lecanospira depressa Heller 1954
Lecanospira lecanospiroides Bridge and Cloud 1947
Lecanospira nerine Billings 1865
Lecanospira perplana Heller 1954
Lecanospira sanctisabae Roemer 1849
Lecanospira soluta Heller 1954
Lecanospira transitionis Billings 1865
Invalid names: Barnesella Bridge and Cloud 1947 [synonym], Lecanospira tasmanensis Kobayashi 1940 [nomen oblitum]
G. †Lytospira Koken 1896
+
Lytospira angelini Lindström 1884
+
Invalid names: Lytospira huenei Koken and Perner 1925 [synonym]
Lytospira anguina Koken 1897
Lytospira arcuata Perner 1903
Lytospira distans Billings 1865
Lytospira nitida Twenhofel 1928
Lytospira potens Koken 1896
Lytospira serpula Koken 1897
Lytospira subrotunda Ulrich and Scofield 1897
Lytospira tangens Perner 1903
Lytospira tubicina Koken 1896
Lytospira undulatus Hall 1861
Lytospira valida Koken 1897
G. †Malayaspira Kobayashi 1958
+
Malayaspira affinis Billings 1865
Malayaspira annulata Walcott 1884
Malayaspira bella Billings 1865
Malayaspira hintzei Rohr 1994
Malayaspira perkinsi Whitfield 1890
Malayaspira rugosa Kobayashi 1958
Malayaspira speciosa Billings 1865
G. †Ophileta Vanuxem 1842
+
Ophileta alturensis Sardeson 1896
Ophileta complanata Vanuxem 1842
Ophileta discus Cleland 1900
Ophileta laevata Vanuxem 1842
Ophileta plana Grabau 1922
Ophileta polygyratus Roemer 1849
+
Invalid names: Ophileta sinistra Weller 1903 [synonym]
Ophileta rotuliformis Meek 1871
+
Invalid names: Ozarkispira leo Walcott 1924 [synonym]
Ophileta solida Butts 1926
Ophileta squamosa Grabau 1922
Ophileta subalata Butts 1926
Ophileta supraplana Ulrich et al. 1931
Invalid names: Ozarkispira Walcott 1924 [synonym], Polygyrata Weller 1903 [synonym]
G. †Ozarkina Ulrich et al. 1931
+
Ozarkina complanata Ulrich et al. 1931
Ozarkina typica Ulrich et al. 1931
G. †Rossospira Rohr 1994
Invalid names: Ecculiomphalinae Wenz 1938 [invalid subgroup]
Superfm. †Oriostomatoidea Wenz 1938
+
Fm. †Oriostomatidae Koken 1896
+
G. †Australonema Tassell 1980
+
Australonema acuta Heidelberger 2001
Australonema australis Etheridge 1890
Australonema blodgetti Frýda and Manda 1997
Australonema chico Mawson et al. 2002
Australonema guillieri Oehlert 1877
Australonema havliceki Frýda and Bandel 1997
Australonema immersum Spitz 1907
Australonema iniquilineatum Sandberger and Sandberger 1854
Australonema lilydalensis Etheridge 1891
Australonema parva Mawson et al. 2002
Australonema persimile Spitz 1907
Australonema simpsoni Cook and Camilleri 1997
Australonema varvarae Gubanov and Yochelson 1994
Australonema wellingtonensis Etheridge 1898
G. †Beraunia Knight 1937
+
Beraunia bifrons Perner 1903
Beraunia bohemica Perner 1903
Beraunia carens Perner 1903
Beraunia detersa Perner 1903
Beraunia docens Perner 1903
Beraunia elliptica Perner 1903
Beraunia indocilis Perner 1903
Beraunia placida Perner 1903
Beraunia querenda Perner 1903
Beraunia severa Perner 1903
Beraunia vellerosa Perner 1903
Beraunia verna Perner 1903
Invalid names: Cyclotropis Perner 1903 [replaced], Eucyclotropis Cossmann 1909 [replaced], Rhabdospira Perner 1903 [replaced]
G. †Didymalgia Cook 1997
+
G. †Dohmella Heidelberger 2001
+
Dohmella multistriatus Kirchner 1915
G. †Gemininodosa Cook and Camilleri 1997
+
Gemininodosa langi Cook and Camilleri 1997
G. †Hecetastoma Rohr and Blodgett 2008
+
Hecetastoma clarki Rohr et al. 1981
Hecetastoma gehrelsi Rohr and Blodgett 2008
Hecetastoma salteri Haswell 1865
G. †Lineata Heidelberger 2001
+
Lineata dannenbergi Goldfuss 1844
Lineata zenkeri Heidelberger 2001
G. †Morphotropis Perner 1903
+
Morphotropis aliena Perner 1903
Morphotropis bohemica Perner 1903
Morphotropis capillosa Perner 1903
Morphotropis discreta Perner 1903
Morphotropis helicina Lindström 1884
Morphotropis nitidissimum Lindström 1884
Morphotropis obsolescens Perner 1903
Morphotropis procera Perner 1903
Morphotropis tremulans Perner 1903
G. †Omphalonema Grabau 1936
+
G. †Oriomphalus Horný 1992
+
Oriomphalus multiornatus Frey et al. 2014
Oriomphalus puellarum Horný 1992
Oriomphalus supralirata Rohr and Smith 1978
G. †Oriostoma Munier-Chalmas 1876
+
Oriostoma actaeon Perner 1907
Oriostoma acutum Lindström 1884
Oriostoma angulatum Wahlenberg 1821
Oriostoma approximans Perner 1903
Oriostoma aspirans Perner 1903
Oriostoma assidua Perner 1903
Oriostoma barrandei Munier-Chalmas 1876
Oriostoma barroisi Spitz 1907
Oriostoma chaleurensis Northrop 1939
Oriostoma compar Perner 1903
Oriostoma confertissima Perner 1903
Oriostoma conjugata Perner 1903
Oriostoma coralli de Sowerby and Murchison 1839
Oriostoma corniculum Perner 1907
Oriostoma coronatum Lindström 1884
Oriostoma costata Perner 1903
Oriostoma delicata Perner 1903
Oriostoma disjunctum Barrois 1889
Oriostoma distans Lindström 1884
Oriostoma dives Perner 1903
+
Invalid names: Oriostoma conferta Perner 1903 [synonym]
Oriostoma dulcis Perner 1903
Oriostoma echinatum Oehlert 1877
Oriostoma gerbaulti Oehlert 1877
Oriostoma giganteum Lindström 1884
Oriostoma globosum von Schlotheim 1820
+
Invalid names: Oriostoma huntingtonensis Kindle 1903 [synonym], Oriostoma macrolineata Whitfield 1878 [synonym], Oriostoma sulcata Hall 1843 [synonym]
Oriostoma hoyi Hall 1861
Oriostoma ingenua Perner 1903
Oriostoma involuta Barrois 1889
Oriostoma konincki Oehlert 1877
Oriostoma leda d'Orbigny 1850
Oriostoma lineatum Lindström 1884
Oriostoma niagarensis Hall and Whitfield 1875
Oriostoma nux Lindström 1884
Oriostoma oblita Perner 1903
Oriostoma ornatula Perner 1903
Oriostoma parens Perner 1903
Oriostoma parvula Whiteaves 1895
Oriostoma pauper Hall 1867
Oriostoma paveyi Foerste 1919
Oriostoma persculpta Perner 1907
Oriostoma pervetusta Conrad 1838
Oriostoma polygonum Barrois 1889
Oriostoma potens Perner 1903
Oriostoma princeps Oehlert 1877
Oriostoma pulchra Perner 1903
Oriostoma recedens Perner 1903
Oriostoma robusta Perner 1903
Oriostoma roemeri Lindström 1884
Oriostoma rotundimuratus Tassell 1976
Oriostoma rugaelineata Hall and Whitfield 1872
Oriostoma sarydalchaensis Gubanov et al. 1995
Oriostoma sculpta Murchison 1839
Oriostoma selecta Perner 1903
Oriostoma sequens Perner 1903
Oriostoma speciosum Whiteaves 1892
Oriostoma subcostata Perner 1903
Oriostoma tegulata Perner 1903
Oriostoma tenera Perner 1903
Oriostoma thorsteinssoni Rohr and Smith 1978
Oriostoma tremulans Perner 1903
Oriostoma ventricosa Perner 1903
Oriostoma versata Perner 1903
Oriostoma virbalica Saladzius 1966
Oriostoma wisbyense Lindström 1884
Oriostoma zonata Koken and Perner 1925
Oriostoma zonatum Lindström 1884
Invalid names: Horiostoma Fischer 1885 [synonym]
G. †Tophicola Horný and Peel 1995
+
Tophicola linsleyi Horný and Peel 1995
G. †Tubogyra Perner 1903
+
Tubogyra primula Perner 1903
Invalid names: Cyclospongia Miller 1891 [nomen nudum]
Fm. †Tubinidae Knight 1956
+
G. †Colubrella Koken 1896
G. †Keration Broili 1907
G. †Meandrella Perner 1903
+
Meandrella sculpta Perner 1903
G. †Pseudotubina Koken 1896
G. †Semitubina Cossmann 1918
+
Semitubina sakoi Kase 1986
Semitubina spinosa Quenstedt 1852
+
Invalid names: Semitubina tubiger Frech 1894 [synonym]
Semitubina yukonensis Blodgett et al. 2001
G. †Serpentubina Horný 1964
+
G. †Tubina Owen 1859
+
Tubina armata Owen 1859
Tubina geyeri Frech 1894
Tubina hystrix Perner 1903
Tubina knighti Horný 1992
Tubina ligeri Barrois 1889
Superfm. †Palaeotrochoidea Knight 1956
+
Fm. †Palaeotrochidae Knight 1956
+
G. †Floyda Webster 1905
+
Floyda concentrica Webster 1905
+
Invalid names: Floyda gigantea Hall and Whitfield 1873 [replaced], Floydia magnifica Webster 1905 [synonym]
Floyda obliqua Spriesterbach 1919
Invalid names: Scaliconus Spriestersbach 1942 [synonym]
G. †Palaeotrochus Hall 1879
+
Palaeotrochus kearnyi Hall 1861
Palaeotrochus kennettensis Stauffer 1930
G. †Turbonopsis Grabau and Shimer 1909
+
Turbonopsis apachiensis Day and Beus 1982
Turbonopsis coronola Clarke and Swartz 1913
Turbonopsis shumardii Hall 1879
Turbonopsis spiculatus Fenton and Fenton 1924
G. †Westerna Webster 1905
+
Westerna gigantea Webster 1888
+
Invalid names: Westerna crassum Webster 1888 [synonym]
Westerna pulchra Fenton and Fenton 1924
G. †Westwooditrochus Cook 1998
+
Fm. †Paraturbinidae Cossmann 1916
+
G. †Boeckhia Szabo 1982
+
Boeckhia boeckhi Szabo 1982
G. †Chartroniella Cossman 1902
+
Chartroniella pacifica Jaworski 1922
+
Invalid names: Eucyclus harrisoni Cox 1949 [synonym]
G. †Paraturbo Cossmann 1907
Superfm. †Platyceratoidea Hall 1859
+
Fm. †Craspedostomatidae Wenz 1938
+
Subfm. †Bucanospirinae Wenz 1938
+
G. †Bucanospira Ulrich and Scofield 1897
Subfm. †Craspedostomatinae Wenz 1938
+
G. †Craspedostoma Lindström 1884
G. †Spirina Kayser 1889
+
Spirina antiquata Salter 1861
Spirina brilonensis Kayser 1889
Spirina patula Perner 1903
Spirina squamata Perner 1907
Spirina symmetrica Perner 1907
G. †Temnospira Perner 1903
+
Temnospira monile Perner 1903
Temnospira percinctum Perner 1903
G. †Umbonellina Koken and Perner 1925
+
Umbonellina infrasilurica Koken and Perner 1925
Fm. †Nerrhenidae Bandel and Heidelberger 2001
+
G. †Hessonia Heidelberger 2001
+
Hessonia germana Heidelberger 2001
Hessonia piligera Sandberger and Sandberger 1855
Hessonia priscus Whitfield 1893
G. †Nerrhena Heidelberger and Bandel 1999
+
Nerrhena aequistriata Kirchner 1915
Nerrhena nonecincta Heidelberger and Koch 2005
Nerrhena reticulata Heidelberger and Bandel 1999
Fm. †Platyceratidae Hall 1859
+
G. †Barynema Fraunfelter 1973
+
Barynema lirata Hall 1860
Barynema multilirata Hall 1859
G. †Basiplanus Heidelberger 2001
+
Basiplanus baldus Heidelberger 2001
G. †Brokenriveria Cook and Camilleri 1997
+
Brokenriveria caelatus Goldfuss 1844
Brokenriveria caleata Goldfuss 1844
Brokenriveria pharlapensis Cook and Camilleri 1997
Brokenriveria virginensis Cook et al. 2003
G. †Cancellator Horný 1992
+
Cancellator belua Horný 1992
Cancellator rohri Frýda and Manda 1997
G. †Cancelloplatyceras Cook et al. 2003
+
Cancelloplatyceras abowsheri Cook et al. 2003
G. †Compsonema Gordon and Yochelson 1983
+
Compsonema fragile Gordon and Yochelson 1983
G. †Crossoceras Boucot and Yochelson 1966
+
Crossoceras belandi Boucot and Yochelson 1966
Crossoceras newberryi Hall 1860
G. †Cyclonema Hall 1852
+
Subg. †Cyclonema (Cyclonema) Hall 1852
Cyclonema aiens Sardeson 1896
Cyclonema ampullosum Perner 1903
Cyclonema ananas Perner 1903
Cyclonema apicatum Lindström 1884
Cyclonema bellulum Billings 1866
Cyclonema bilix Conrad 1842
Cyclonema bitauniensis Wanner 1922
Cyclonema boreale Poulsen 1974
Cyclonema canaliculata Angelin and Lindström 1880
Cyclonema cancellatum Angelin and Lindström 1880
Cyclonema cives Perner 1903
Cyclonema compar Perner 1903
Cyclonema composita Perner 1903
Cyclonema consepultum Perner 1903
Cyclonema convergens Perner 1903
Cyclonema crebristria M'Coy 1851
Cyclonema cushingi Ruedemann 1912
Cyclonema daytonensis Foerste 1899
Cyclonema decora Billings 1866
Cyclonema delicatula Lindström 1884
Cyclonema derelictum Perner 1903
Cyclonema dowlingii Whiteaves 1906
Cyclonema fasciata Ball 1938
Cyclonema filicinctus Whiteaves 1904
Cyclonema fluctuatum James 1871
Cyclonema formosum Perner 1903
Cyclonema gracile Ulrich and Scofield 1897
Cyclonema guilleri Barrois 1889
Cyclonema gyronemoides Foerste 1923
Cyclonema hageri Billings 1865
Cyclonema hallianum Salter 1859
Cyclonema humerosum Ulrich and Scofield 1897
Cyclonema inaequistriatum Koken and Perner 1925
Cyclonema inflatum Ulrich and Scofield 1897
Cyclonema infrequens Perner 1907
Cyclonema inopinata Perner 1907
Cyclonema intermedium Bradley 1930
Cyclonema karlsteinensis Perner 1903
Cyclonema laudabile Perner 1903
Cyclonema lepidula Perner 1903
Cyclonema leptonotum Raymond 1905
Cyclonema limatum Ulrich and Scofield 1897
Cyclonema lineatum Koken 1897
Cyclonema margaritoides Whiteaves 1897
Cyclonema marylandense Prosser and Kindle 1913
Cyclonema mediale Ulrich and Scofield 1897
Cyclonema minuta Hall 1845
Cyclonema modestum Poulsen 1974
Cyclonema montrealense Billings 1865
Cyclonema niagarensis Winchell and Marcy 1866
Cyclonema nodulosum Lindström 1884
Cyclonema obsolescens Hall 1876
Cyclonema parvimedium McLearn 1924
Cyclonema percarinata Hall 1847
Cyclonema percingulatum Billings 1857
Cyclonema praecipitum Ulrich and Scofield 1897
Cyclonema rupestre d'Eichwald 1856
+
Invalid names: Cyclonema sulcifera d'Eichwald 1856 [synonym]
Cyclonema servus Perner 1903
Cyclonema simulans Ulrich and Scofield 1897
Cyclonema statshiunaica Saladzius 1966
Cyclonema sublaeve Ulrich and Scofield 1897
Cyclonema subundata Northrop 1939
Cyclonema sulphuriferum Perner 1903
Cyclonema tenuissimum Lindström 1884
Cyclonema textilis Miller 1897
Cyclonema thalia Billings 1857
Cyclonema timida Perner 1903
Cyclonema timidum Perner 1903
Cyclonema transversum Ulrich and Scofield 1897
Cyclonema trepidans Perner 1903
Cyclonema varians Billings 1857
Cyclonema varicosum Hall 1861
Cyclonema varispirum Twenhofel 1928
Cyclonema ventricosa Hall 1852
Invalid names: Cyclonemina Perner 1903 [synonym]
G. †Devononema Fraunfelter 1973
+
Devononema typicum Fraunfelter 1973
G. †Dyeria Ulrich and Scofield 1897
+
Dyeria costatus James 1872
G. †Euthyrhachis Tyler 1965
+
Euthyrhachis blatchleyi Kindle 1900
Euthyrhachis indianense Miller and Gurley 1897
Euthyrhachis vulgaris Perner 1907
G. †Globulonema Frýda and Bandel 1997
+
Globulonema globosum Horný 1992
G. †Himantonia Perner 1911
G. †Lotzia Heidelberger 2001
+
Lotzia blodgetti Heidelberger and Koch 2005
Lotzia neglecta Phillips 1841
Lotzia schaeferkalki Heidelberger 2001
G. †Naticellina Perner 1911
+
Naticellina suavis Perner 1907
Invalid names: Naticella Perner 1907 [replaced]
G. †Naticonema Perner 1903
+
Naticonema kauffmani Peel 1975
Naticonema similare Perner 1903
+
Invalid names: Naticonema squammata Perner 1903 [synonym]
Naticonema similaris Perner 1903
Invalid names: Otospira Perner 1903 [objective synonym]
G. †Naticonoda Heidelberger 2001
+
Naticonoda elegans Heidelberger 2001
Naticonoda prieuri Heidelberger 2001
G. †Natirhenia Heidelberger 2001
+
Natirhenia margaritifera d’Archiac and de Verneuil 1842
G. †Nonorios Horný 1997
+
Nonorios carnicus Vinassa de Regny 1914
Nonorios kleistos Ebbestad et al. 2008
Nonorios pater Perner 1903
+
Invalid names: Nonorios vrazensis Perner 1903 [objective synonym]
Nonorios pectinata Perner 1903
G. †Obscuropsis Horný 1992
+
Obscuropsis perplexa Horný 1992
G. †Paffrathia Frýda 2000
+
Paffrathia aarica Heidelberger 2001
Paffrathia lotzi Frýda 1998
G. †Palaeocapulus Grabau and Shimer 1909
+
+
Invalid names: Palaeocapulus lodiensis Meek 1871 [synonym]
Palaeocapulus morsei Hoare 2004
Palaeocapulus piso Walcott 1884
Palaeocapulus trigonus Goldfuss 1844
Palaeocapulus undata Winchell 1865
G. †Platyceras Conrad 1840
+
Subg. †Platyceras (Euthyrachis) Tyler 1965
Subg. †Platyceras (Platyceras) Conrad 1840
Subg. †Platyceras (Tubomphalus) Perner 1903
Subg. †Platyceras (Visitator) Perner 1911
+
Invalid names: Aulopea Dunbar 1920 [synonym], Cowwarrella Talent and Philip 1956 [synonym], Distemnostoma Dunbar 1920 [synonym], Saffordella Dunbar 1920 [synonym]
Platyceras abundans Wanner 1922
+
Invalid names: Capulus deformis Wanner 1922 [synonym]
Platyceras ammon Hall 1862
Platyceras angulatum Hall 1852
Platyceras angustum Phillips 1836
Platyceras argo Hall 1862
Platyceras attenuatum Hall 1859
Platyceras billingsi Hall 1859
Platyceras bistrami Knod 1908
Platyceras callossum Hall 1859
Platyceras canalicatum Angelin and Lindström 1880
Platyceras carinatum Hall 1862
Platyceras chapmani Williams and Breger 1916
Platyceras colonus Holzapfel 1895
Platyceras columbinus Whidborne 1889
Platyceras compressum Clarke and Swartz 1913
Platyceras compressum Jhaveri 1969
Platyceras compressus Goldfuss 1832
Platyceras conradi Walcott 1884
Platyceras contortum Barrois 1889
Platyceras contortus Römer 1843
Platyceras cordatus Whidborne 1889
Platyceras crassum Hall 1862
Platyceras cymbium Hall 1862
Platyceras decorum Talent and Philip 1956
Platyceras dilatans Perner 1911
Platyceras dilatatum Hall 1859
Platyceras disciforme Lindström 1884
Platyceras dormitans Maurer 1885
Platyceras eberti Holzapfel 1895
Platyceras echinatum Hall 1862
Platyceras edmundi Williams and Breger 1916
Platyceras elongatum Hall 1859
Platyceras encloides Weller 1906
Platyceras erectum Hall 1843
Platyceras evolutus Weller 1906
Platyceras expansus Conrad 1842
Platyceras fecundum Perner 1911
Platyceras galeritus Whidborne 1891
Platyceras gaspense Clarke 1908
Platyceras gibbosum Hall 1859
Platyceras glenparkensis Weller 1906
Platyceras gracilis Sandberger 1842
Platyceras guesnini Clarke 1908
Platyceras hainensis Maurer 1885
Platyceras haliotis de Sowerby and Murchison 1839
Platyceras haliotoides Meek and Worthen 1866
Platyceras hebes Clarke 1907
Platyceras holzapfeli Spitz 1907
Platyceras humulus Perner 1911
Platyceras kahlebergensis Beushausen 1884
Platyceras khammonense Mansuy 1913
Platyceras latum Keyes 1888
Platyceras leboutillieri Clarke 1907
Platyceras lejeunii Clarke 1908
Platyceras magnificum Hall 1859
Platyceras mansfieldense Tassell 1977
Platyceras marylandicum Clarke and Swartz 1913
Platyceras minutum Chapman 1916
Platyceras multiplicatus Giebel 1858
Platyceras munsteriana Fahrenkohl 1844
Platyceras nasutum Miller 1891
Platyceras nettersheimensis Heidelberger 2003
Platyceras nodosum Conrad 1841
Platyceras oehlerti Spitz 1907
Platyceras oxynotum Girty 1929
Platyceras paralium White and Whitfield 1862
Platyceras patelliforme Holzapfel 1895
Platyceras pericompsus Whidborne 1891
Platyceras perneri Tolmachoff 1930
Platyceras plicatile Hall 1879
Platyceras priscum Goldfuss 1844
Platyceras producti Frech 1911
Platyceras pulcherrimum Rowley 1908
Platyceras rarispinum Hall 1859
Platyceras reflexum Hall 1859
Platyceras richtum Hall 1879
Platyceras rictum Hall 1862
Platyceras robustum Hall 1859
Platyceras romingeri Walcott 1889
Platyceras sagum Mazaev 2019
Platyceras sigmoidale Phillips 1841
Platyceras sinuatum Hall 1859
Platyceras spirale Hall 1859
Platyceras squamosus Trenkner 1868
Platyceras steinmanni Clarke 1899
Platyceras subrotundum Snider 1915
Platyceras subumbonatum Northrop 1939
Platyceras tenella Dana 1847
Platyceras terminalis Whidborne 1889
Platyceras thetiforme Walcott 1884
Platyceras thetis Hall 1862
Platyceras trilobatum Hall 1859
Platyceras trojani Blodgett and Johnson 1992
Platyceras uncinatus Roemer 1852
Platyceras undata Hall 1859
Platyceras undulatum Walcott 1884
Platyceras unicus Hall 1879
Platyceras ussheri Whidborne 1891
Platyceras verrucosum Barrois 1889
Platyceras vetusta Sowerby 1829
Platyceras villmarensis Basse and Heidelberger 2002
Platyceras yochelsoni Kulas and Batten 1997
Platyceras zinkeni Römer 1843
Invalid names: Acroculia Phillips 1841 [objective synonym], Actita Fahrenkohl 1844 [synonym]
G. †Platyostoma Conrad 1842
+
Subg. †Platyostoma (Platyostoma) Conrad 1842
Platyostoma adstrictum Lindström 1884
Platyostoma allardycei Clarke 1913
Platyostoma antiquuis Webster 1905
Platyostoma boggsi Rohr et al. 1981
Platyostoma cliftonensis Foerste 1909
Platyostoma cornutum Hisinger 1837
Platyostoma daytonense Foerste 1923
+
Invalid names: Diaphorostoma niagarense Foerste 1887 [replaced]
Platyostoma deforme Sedgwick and Murchison 1840
Platyostoma delicata Talent and Philip 1956
Platyostoma desmatum Clarke 1904
Platyostoma gebhardi Conrad 1840
Platyostoma grayvillensis Worthen 1882
Platyostoma humile Billings 1866
Platyostoma humilis Clarke and Swartz 1913
Platyostoma incisum Chapman 1916
Platyostoma indica Waagen 1880
Platyostoma insolita Webster 1906
Platyostoma invictus Whidborne 1891
Platyostoma irrasum Fenton and Fenton 1924
Platyostoma lineata Conrad 1842
Platyostoma lutheri Clarke 1904
Platyostoma minutissima Clarke 1885
Platyostoma modesta Webster 1906
Platyostoma muitissima Clarke 1903
Platyostoma naticoides Etheridge, Jr. 1878
Platyostoma pastillus Clarke 1909
Platyostoma perceense Clarke 1908
Platyostoma perforatum Whiteaves 1904
Platyostoma plebeium Hall 1876
Platyostoma rotundatum Clarke 1904
Platyostoma rowei Clarke and Swartz 1913
Platyostoma speciosum Sedgwick and Murchison 1840
Platyostoma strophius Hall 1862
Platyostoma subglobosa Stauffer 1909
Platyostoma triangularis Talent and Philip 1956
Platyostoma tumidum Whiteaves 1892
Platyostoma turbinata Hall 1861
Platyostoma unisulcata Conrad 1842
Platyostoma ventricosum Conrad 1842
Invalid names: Diaphorostoma Fischer 1885 [synonym], Exogyroceras Meek and Worthen 1868 [synonym], Ostlerina Talent and Philip 1956 [synonym], Platycerina Miller 1889 [synonym]
G. †Platyschisma M'Coy 1844
+
Platyschisma ambiguum Walcott 1884
Platyschisma applanatum Sandberger and Sandberger 1855
Platyschisma barrisi Winchell 1863
Platyschisma cirroides M'Coy 1844
Platyschisma depressa Weller 1900
Platyschisma helicoides Sowerby 1826
Platyschisma infima Perner 1903
Platyschisma laudoni Rollins 1975
Platyschisma lingua Yoo 1994
Platyschisma ovoidea Phillips 1836
Platyschisma rotundatum Morris 1845
Platyschisma vitrea Yoo 1994
G. †Ploconema Perner 1903
+
Ploconema bohemicum Perner 1903
Ploconema protendens Perner 1903
G. †Praenatica Perner 1903
+
Praenatica naticoides Roemer 1852
+
Invalid names: Praenatica gregaria Perner 1903 [synonym]
Praenatica orthostoma Barrois 1889
Praenatica proeva Perner 1903
G. †Pseudoplatyceras Qiao 1983
G. †Ptychospirina Perner 1907
+
Ptychospirina mima Perner 1903
Ptychospirina senaria Perner 1907
Ptychospirina varians Hall 1876
Invalid names: Ptychospira Perner 1903 [replaced]
G. †Radvanospira Ebbestad et al. 2019
G. †Rhabdocantha Fletcher 1958
+
Rhabdocantha alta Dana 1849
Rhabdocantha cornucapella Etheridge 1898
Rhabdocantha intermedia Fletcher 1958
G. †Spinyplatyceras Blodgett and Frýda 1999
+
Spinyplatyceras arkonense Shimer and Grabau 1902
Spinyplatyceras bartlettense Yochelson and Kopf 1956
Spinyplatyceras dumosum Conrad 1840
Spinyplatyceras milleri Nettelroth 1889
Spinyplatyceras paxiller Clarke 1908
Spinyplatyceras pugnus Clarke 1904
Spinyplatyceras spinosa Goldfuss 1844
Spinyplatyceras tylotus Whidborne 1891
G. †Spiranodus Heidelberger 2001
+
Spiranodus devonica Whidborne 1889
Spiranodus quadrilineatus Heidelberger 2001
Spiranodus quinquecinctus Goldfuss 1844
G. †Spironemella Waterhouse 1980
+
Spironemella dignitas Waterhouse 1963
Spironemella turgida Waterhouse 1987
G. †Strophostylus Hall 1859
+
Strophostylus bivolve White and Whitfield 1862
+
Invalid names: Cyclonema (Cyclonemina) contexta Perner 1903 [synonym]
Strophostylus chesterensis Thein and Nitecki 1974
Strophostylus elegans Hall 1859
Strophostylus fitchi Hall 1859
Strophostylus fortuitus Mazaev 2019
Strophostylus girtyi Knight 1934
Strophostylus matheri Hall 1859
Strophostylus nevadensis Gordon and Yochelson 1983
Strophostylus obtusus Hall 1859
Strophostylus tantillus Gordon and Yochelson 1983
Strophostylus unica Hall 1862
Strophostylus wortheni Weller 1916
Invalid names: Helictostylus Knight 1934 [objective synonym]
G. †Strotostoma Fletcher 1958
+
Strotostoma clintonensis Waterhouse 1986
Strotostoma inflata Fletcher 1958
G. †Stuckenbergispira Mazaev 2015
+
G. †Tachloconcha Horný 2000
+
Tachloconcha interupta Perner 1903
Invalid names: Cyclonematidae Fischer 1885 [synonym], Palaeocapulidae Grabau 1936 [synonym], Platyostomatidae Miller 1889 [synonym], Pseudorthonychiinae Bandel and Frýda 1999 [empty], Strophostylidae Grabau and Shimer 1909 [synonym]
Invalid names: Cyclonemidae Miller 1889 [empty], Nerrhenoidea Bandel and Heidelberger 2001 [synonym]
Superfm. †Raphistomatoidea Koken 1896
+
Fm. †Raphistomatidae Koken 1896
+
G. †Bridgeites Flower 1968
+
Bridgeites atlanticus Billings 1865
Bridgeites discoideus Flower 1968
Bridgeites disjuncta Billings 1865
Bridgeites planidorsalis Cullison 1944
+
Invalid names: Bridgeites grandis Cullison 1944 [synonym], Bridgeites isabellaensis Cullison 1944 [synonym], Bridgeites magna Cullison 1944 [synonym]
Bridgeites supraconvexa Cullison 1944
Bridgeites volutatus Whitfield 1886
G. †Ceratopea Ulrich 1911
+
Ceratopea ankylosa Cullison 1944
Ceratopea billingsi Yochelson 1964
Ceratopea buttsi Yochelson and Bridge 1957
Ceratopea canadensis Billings 1865
+
Invalid names: Ceratopea arabella Billings 1865 [synonym], Ceratopea calcifera Billings 1859 [synonym], Ceratopea macroconica Flower 1968 [synonym], Ceratopea praevium Whitfield 1889 [synonym], Pleurotomaria normani Billings 1865 [synonym]
Ceratopea compressum Whitfield 1886
Ceratopea depressa Butts 1926
Ceratopea grandis Butts 1926
Ceratopea hami Yochelson and Bridge 1957
Ceratopea harpya Billings 1865
Ceratopea inflata Cullison 1944
Ceratopea kawasakii Kobayashi 1930
Ceratopea keithi Ulrich 1911
Ceratopea latiumbilicata Poulsen 1927
Ceratopea laurentina Billings 1859
Ceratopea lemonei Flower 1968
Ceratopea lenticularis Flower 1968
Ceratopea medfraensis Rohr and Blodgett 1988
Ceratopea miser Billings 1859
Ceratopea numeria Billings 1865
Ceratopea obtusa Cleland 1900
Ceratopea parvum Stauffer 1937
Ceratopea pygmaea Stauffer 1937
Ceratopea sculpta Cullison 1944
Ceratopea sinclairensis Kobayashi 1955
Ceratopea subconica Oder 1932
+
Invalid names: Ceratopea inflata Cullison 1944 [synonym], Ceratopea jonesi Cullison 1944 [synonym], Ceratopea sulcata Oder 1932 [synonym]
+
Invalid names: Ceratopea calceoliformis Oder 1932 [synonym], Ceratopea compressa Oder 1932 [synonym], Ceratopea cuneata Oder 1932 [synonym], Ceratopea jenkinensis Cullison 1944 [synonym]
Ceratopea unguis Yochelson and Bridge 1957
+
Invalid names: Eotomaria depressa Cullison 1944 [replaced]
Ceratopea vagrans Billings 1865
Ceratopea wisei Fix 1975
Invalid names: Proliospira Flower 1968 [synonym], Roubidouxia Butts 1926 [synonym]
G. †Omulevia Vostokova 1964
Subfm. †Ophiletinae Knight 1956
+
G. †Calaurops Whitfield 1886
G. †Orospira Butts 1926
+
Orospira bigranosa Butts 1926
Orospira conica Cullison 1944
Orospira depressa Cullison 1944
Orospira elegantula Cullison 1944
Orospira elevata Cullison 1944
Orospira gainesvillensis Cullison 1944
G. †Raphistoma Hall 1847
+
Raphistoma alaskensis Rohr et al. 1992
Raphistoma apertum Salter 1859
Raphistoma calyx Billings 1859
Raphistoma coreanicum Kobayashi 1934
Raphistoma crevieri Billings 1859
Raphistoma debganensis Horný 1997
Raphistoma eucharis Billings 1865
Raphistoma gubanovi Rohr 1994
Raphistoma minuta Yü 1961
Raphistoma pauper Billings 1859
Raphistoma pelhamensis Butts 1926
Raphistoma shakopeense Stauffer 1937
Raphistoma stamineum Hall 1847
Raphistoma striatum Emmons 1842
+
Invalid names: Raphistoma docens Billings 1859 [synonym], Raphistoma immaturum Billings 1859 [synonym]
Rhaphistoma cruciana Kittl 1899
Rhaphistoma vaurealense Twenhofel 1928
G. †Scalites Emmons 1842
+
Scalites alatum Koken and Perner 1925
Scalites amanoi Kobayashi 1958
Scalites angulatus Emmons 1842
Scalites depressa Longstaff 1924
Scalites irregulare Kobayashi 1958
Scalites jonesi Kobayashi 1959
Scalites kanesi Kobayashi 1930
+
Invalid names: Scalites yabei Kobayashi 1930 [synonym]
Scalites katoi Kobayashi 1934
Scalites keizanensis Kobayashi 1934
+
Invalid names: Scalites giganteus Kobayashi 1959 [synonym]
Scalites oradovekaiae Vostokova 1964
Scalites peracutum Ulrich and Scofield 1897
Scalites richmondensis Ulrich and Scofield 1897
Scalites solitarius Endo 1935
Scalites tamurai Kobayashi 1930
Scalites tellerensis Rohr 1988
Invalid names: Ceratopeidae Yochelson and Bridge 1957 [synonym], Raphistomatinae Koken 1896 [empty]
G. †Triassocirrus Yin and Yochelson 1983
+
Triassocirrus applanatus Kutassy 1937
Triassocirrus guizhouensis Yin and Yochelson 1983
Triassocirrus pichleri Laube 1869
Invalid names: Anomphaloidea Wenz 1938 [empty], Macluritina Cox and Knight 1960 [replaced], Omphalotrochoidea Knight 1945 [empty], Pseudophoroidea Miller 1889 [empty]
Fm. †Sinuopeidae Wenz 1938
hide
G. †Euconia Ulrich and Scofield 1897
+
Euconia amphitrite Billings 1865
Euconia conicus Heller 1954
Euconia etna Billings 1865
+
Invalid names: Euconia beekmanensis Whitfield 1889 [synonym], Euconia ramseyi Billings 1859 [synonym], Euconia thule Murchison 1859 [synonym]
Euconia mosheimensis Butts 1926
Euconia sinuata Flower 1968
Euconia umbilicata Dake and Bridge 1932
Invalid names: Jarlopsis Heller 1954 [synonym], Rhombella Bridge and Cloud 1947 [synonym]
G. †Gasconadia Weller and St. Clair 1928
+
Gasconadia floridensis Cleland 1900
Gasconadia mohawkensis Cleland 1900
Gasconadia putilla Sardeson 1896
Subfm. †Platyschismatinae Knight 1956
+
G. †Umbospira Perner 1903
+
Umbospira nigricans Perner 1903
Umbospira yochelsoni Peel 1977
G. †Schizopea Butts 1926
+
Schizopea abrupta Ulrich et al. 1931
Schizopea dubia Ulrich et al. 1931
Schizopea elevata Ulrich et al. 1931
Schizopea grandis Ulrich et al. 1931
Schizopea normalis Ulrich et al. 1931
+
Invalid names: Dirhachopea corrugata Ulrich et al. 1931 [synonym], Schizopea intermedia Ulrich et al. 1931 [synonym]
Schizopea primordialis Winchell 1864
Schizopea subrotunda Ulrich et al. 1931
+
Invalid names: Schizopea appressa Ulrich et al. 1931 [synonym]
Schizopea transitans Ulrich et al. 1931
Schizopea typica Ulrich et al. 1931
+
Invalid names: Rhachopea angulata Flower 1968 [synonym]
Schizopea wanwanensis Kobayashi 1933
Schizopea wanwankouensis Yü and Yochelson 1999
Schizopea washburnei Butts 1926
Invalid names: Dirhachopea Ulrich et al. 1931 [synonym], Rhachopea Ulrich et al. 1931 [synonym]
Subfm. †Sinuopeinae Wenz 1938
+
G. †Horiostomella Perner 1903
+
Horiostomella otiosa Perner 1903
G. †Sellinema Perner 1903
+
Sellinema dives Perner 1903
Sellinema frater Perner 1903
Sellinema obtusa Whiteaves 1892
G. †Sinuopea Ulrich 1911
+
Sinuopea advena Winchell 1864
Sinuopea basiplanata Ulrich et al. 1931
Sinuopea cingulata Ulrich et al. 1931
Sinuopea emminencis Ulrich et al. 1931
+
Invalid names: Taeniospira naticoides Flower 1968 [synonym]
Sinuopea humerosa Butts 1926
Sinuopea humilis Butts 1926
Sinuopea obesa Butts 1926
Sinuopea parva Cleland 1900
Sinuopea stclairi Ulrich et al. 1931
Sinuopea sweeti Whitfield 1882
+
Invalid names: Sinuopea regalis Ulrich et al. 1931 [synonym]
Sinuopea typicalis Butts 1926
Sinuopea vera Ulrich et al. 1931
+
Invalid names: Sinuopea umbilicata Ulrich et al. 1931 [synonym]
Sinuopea whittardi Poulsen 1937
Invalid names: Chepultapecia Weller and St. Clair 1928 [synonym], Taeniospira Ulrich et al. 1931 [synonym]
Invalid names: Euomphalomorpha Bandel and Frýda 1998 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: aragonitec
Locomotion: actively mobilec
Life habit: epifaunalc
Vision: limitedc
Created: 2004-02-29 11:40:59
Modified: 2010-02-11 01:35:02
Source: c = class
Reference: Kiessling 2004

Age range

Maximum range based only on fossils: base of the Cressagian to the top of the Serravallian or 486.50000 to 11.62000 Ma
Minimum age of oldest fossil (stem group age): 485.4 Ma

Collections (3642 total)

Oldest occurrences

Time interval Ma Country or state Original ID and collection number
Furongian497.0 - 485.4USA (New York) Schizopea sp. A, Dirhachopea sp., Sinuopea sp. (167886)
Furongian - Skullrockian497.0 - 482.3USA (New York) Schizopea sp. A, Dirhachopea sp. (85121)
Trempealeauan492.5 - 485.4USA (Alabama) Schizopea washburnei (157241)
Trempealeauan492.5 - 485.4USA (Missouri) Dirhachopea abrupta (154348) Dirhachopea appressa (154349) Dirhachopea appressa, Dirhachopea corrugata, Rhachopea typica, Taeniospira emminencis (154350) Dirhachopea appressa, Dirhachopea intermedia, Rhachopea typica (154351) Dirhachopea intermedia, Taeniospira emminencis (98342) Dirhachopea sp., Taeniospira sp. (93582) Dirhachopea subrotunda, Schizopea typica (98344) Dirhachopea subrotunda, Schizopea typica, Taeniospira emminencis (98345) Jarlopsis conicus, Gasconadia putilla (98340) Rhachopea elevata (154352) Rhachopea transitans, Dirhachopea normalis (154353) Schizopea normalis (64586)
Trempealeauan492.5 - 485.4USA (Wisconsin) Dirhachopea sp. (256) Holopea sweeti (93598) Straparollus primordialis, Pleurotomaria advena (154375)
Trempealeauan492.5 - 485.4Canada (Newfoundland) Sinuopea sp. (196076)
Trempealeauan492.5 - 485.4USA (Texas) Schizopea sp. (216012)
Skullrockian - Furongian487.5 - 485.4USA (New York) Schizopea sp. A, Dirhachopea sp. (85256) Schizopea sp. B (85122)
Skullrockian487.5 - 482.3USA (New York) Gastropoda indet. (87524) Schizopea sp. B (85184)
Skullrockian487.5 - 482.3United Kingdom (Scotland) Pleurotomaria etna, Pleurotomaria ramsayi (188569)
Skullrockian487.5 - 482.3Canada (Newfoundland and Labrador) Ecculiomphalus sp. (195690) Ophileta supraplana (195689)
Skullrockian487.5 - 482.3Greenland Rhachopea indet., Sinuopea whittardi (122109) Sinuopea whittardi (122119)
Skullrockian487.5 - 482.3Canada (Newfoundland) Ophileta sp., Ecculiomphalus sp. (195681) Rhombella sp. (195741)
Skullrockian487.5 - 482.3USA (Utah) Ophileta sp. (104161)
Skullrockian - Stairsian487.5 - 478.6USA (New York) Helicotoma uniangulata (189343)
Skullrockian - Tulean487.5 - 474.9Canada (Newfoundland) Lecanospira sp., Ophileta sp. (195780)
Ibexian487.5 - 470.0USA (Nevada) Palliseria sp. (104434) Palliseria sp., Maclurites sp. (104363 104364)
Cressagian486.5 - 482.0South Korea (Hwanghae-namdo) Helicotoma wanwanensis (39398)
Tremadoc486.5 - 477.7China (Anhui) Lesueurilla sp. (80137)
Tremadoc486.5 - 477.7USA (Colorado) Macluritella stantoni (58965 58966)