Classification of Holzapfel 1895
G. †Pollicina Holzapfel 1895
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†Pollicina annulata Holzapfel 1895
†Pollicina corniculum d'Eichwald 1860
G. †Conocardium Bronn 1835
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†Conocardium hainense Maurer 1885
†Conocardium lyelli d’Archiac and de Verneuil 1842
†Conocardium villmarense d’Archiac and de Verneuil 1842
G. †Euomphalus Sowerby 1814
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†Euomphalus goldfussi d’Archiac and de Verneuil 1842
†Euomphalus labadyei d’Archiac and de Verneuil 1842
†Euomphalus laevis d’Archiac and de Verneuil 1842
†Euomphalus radiatus Phillips 1841
G. †Platyceras Conrad 1840
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†Platyceras colonus Holzapfel 1895
†Platyceras patelliforme Holzapfel 1895
G. †Pleurotomaria Defrance 1826
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†Pleurotomaria catenulata d’Archiac and de Verneuil 1842
†Pleurotomaria champernowni Whidborne 1892
†Pleurotomaria clarkei Holzapfel 1895
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Invalid names: Pleurotomaria undulata Römer 1843 [replaced]
†Pleurotomaria defrancei d’Archiac and de Verneuil 1842
†Pleurotomaria delphinuloides von Schlotheim 1820
G. †Porcellia Léveillé 1835
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†Porcellia cornuarietis Sandberger and Sandberger 1853
G. †Turbonitella de Koninck 1881
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†Turbonitella piligera Sandberger and Sandberger 1855
G. †Macrochilina Bayle 1880
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†Macrochilina arculata von Schlotheim 1820
†Macrochilina ovata Römer 1850
†Macrochilina subimbricata d'Orbigny 1850
†Macrochilina ventricosa Goldfuss 1844
G. †Holopella M'Coy 1851
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†Holopella sandbergi Holzapfel 1895
†Holopella varicosa Holzapfel 1895
Subcl. Nautiloidea Agassiz 1847 [nautiloid]
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Subg. †Platyceras (Orthonychia) Hall 1843
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†Platyceras (Orthonychia) conoideum Barrois 1889
Subg. †Platyceras (Strophostylus) Hall 1859
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†Platyceras (Strophostylus) eberti Holzapfel 1895