| Platyceras campanulatum (Barrois, 1889) |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
Orthonychia |
N/A |
N/A
|
| Platyceras cornutum (Tschernischew, 1885) |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
Orthonychia |
N/A |
N/A
|
| Orthonychia compressa (Girty, 1910) |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
Orthonychia |
N/A |
N/A
|
| Platyceras gracile (Mansuy, 1913) |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
Orthonychia |
N/A |
N/A
|
| Capulus puellaris (Whidborne, 1891) |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
Orthonychia |
N/A |
N/A
|
| Platyceras trirotundolobatum (Talent & Philip, 1956) |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
Orthonychia |
N/A |
N/A
|
| Orthonychia prosseri Clarke & Swartz, 1913 |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
Orthonychia |
N/A |
N/A
|
| Orthonychia piso Walcott, 1884 |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
Orthonychia |
N/A |
N/A
|
| Platyceras trigonale (Barrois, 1889) |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
Orthonychia |
N/A |
N/A
|
| Orthonychia marblecreekensis Talent & Philip, 1956 |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
Orthonychia |
N/A |
N/A
|
| Orthonychia acuta Roemer, 1856 |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
Orthonychia |
N/A |
N/A
|
| Platyceras egorovi (Mazaev, 1996) |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
Orthonychia |
N/A |
N/A
|
| Platyceras infabricatus (Hyde, 1953) |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
Orthonychia |
N/A |
N/A
|
| Orthonychia pajerensis Chronic, 1949 |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
Orthonychia |
N/A |
N/A
|
| Platyceras dentalium (Hall, 1862) |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
Orthonychia |
N/A |
N/A
|
| Platyceras concavum (Hall, 1859) |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
Orthonychia |
N/A |
N/A
|
| Orthonychia jeffersonensis Weller, 1906 |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
Orthonychia |
N/A |
N/A
|
| Platyceras bowsheri (Yochelson, 1956) |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
Orthonychia |
N/A |
N/A
|
| Platyceras conicum (Hall, 1859) |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
Orthonychia |
N/A |
N/A
|
| Platyceras variablis (Tyler, 1965) |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
Orthonychia |
N/A |
N/A
|
| Orthonychia elegans Perner, 1903 |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
Orthonychia |
N/A |
N/A
|
| Platyceras tortuosum (Hall, 1859) |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
Orthonychia |
N/A |
N/A
|
| Platyceras occidens (Walcott, 1884) |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
Orthonychia |
N/A |
N/A
|
| Orthonychia heishantouensis X.-D.Qiao, 1983 |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
Orthonychia |
N/A |
N/A
|
| Acroculia protei (Oehlert, 1883) |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
Orthonychia |
N/A |
N/A
|
| Platyceras ivanovi Mazaev, 1996 |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
Orthonychia |
N/A |
N/A
|
| Platyceras compressa Williams & Breger, 1916 |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
Orthonychia |
N/A |
N/A
|
| Orthonychia acutirostris Hall, 1856 |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
Orthonychia |
N/A |
N/A
|
| Platyceras subrectum (Hall, 1859) |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
Orthonychia |
N/A |
N/A
|
| Orthonychia ascia X.-D.Qiao, 1983 |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
Orthonychia |
N/A |
N/A
|
| Platyceras aroostooki Williams & Breger, 1916 |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
Orthonychia |
N/A |
N/A
|
| Orthonychia conoideum Barrois, 1889 |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
Orthonychia |
N/A |
N/A
|
| Platyceras waverlyensis (Hyde, 1953) |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
Orthonychia |
N/A |
N/A
|
| Capulus parva (Shumard & Swallow, 1858) |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
Orthonychia |
N/A |
N/A
|
| Orthonychia wanneri Delpey, 1941 |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
Orthonychia |
N/A |
N/A
|
| Platyceras inequilaterale (Barrois, 1889) |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
Orthonychia |
N/A |
N/A
|
| Orthonychia vishtytica Saladzius, 1966 |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
Orthonychia |
N/A |
N/A
|
| Platyceras belli (Clarke, 1908) |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
Orthonychia |
N/A |
N/A
|
| Capulus quadrangularis (Whidborne, 1891) |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
Orthonychia |
N/A |
N/A
|
| Platyceras chesterense (Meek & Worthen, 1867) |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
Orthonychia |
N/A |
N/A
|
| Platyceras undulatum (Barrois, 1889) |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
Orthonychia |
N/A |
N/A
|
| Orthonychia obliquesulata Spitz, 1907 |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
Orthonychia |
N/A |
N/A
|
| Platyceras herzeri (Winchell, 1871) |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
Orthonychia |
N/A |
N/A
|
| Platyceras sciotoensis (Hyde, 1953) |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
Orthonychia |
N/A |
N/A
|
| Capulus rostratus (Trenkner, 1868) |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
Orthonychia |
N/A |
N/A
|
| Fissurella conoidea (Goldfuss, 1844) |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
Orthonychia |
N/A |
N/A
|
| Orthonychia korotkovae Mazaev, 2019 |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
Orthonychia |
N/A |
N/A
|
| Platyceras baldwini (Rohr et al., 1981) |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
Orthonychia |
N/A |
N/A
|
| Platyceras extensum (Barrois, 1889) |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
Orthonychia |
N/A |
N/A
|
| Cyrtoneritimorpha |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
N/A |
N/A |
N/A |
N/A
|
| Orthonychiidae |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
N/A |
N/A |
N/A
|
| Vltaviellidae |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Vltaviellidae |
N/A |
N/A |
N/A
|
| ? girzenbergense Kirchner, 1915 |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Vltaviellidae |
N/A |
N/A |
N/A
|
| Eifelcyrtus Frýda & Heidelberger, 2003 |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Vltaviellidae |
Eifelcyrtus |
N/A |
N/A
|
| Soetenichia Heidelberger & Bandel, 1999 |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Vltaviellidae |
Soetenichia |
N/A |
N/A
|
| Krameriella Frýda & Heidelberger, 2003 |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Vltaviellidae |
Krameriella |
N/A |
N/A
|
| Vltaviella Frýda & Manda, 1997 |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Vltaviellidae |
Vltaviella |
N/A |
N/A
|
| ? trigonale Barrois, 1889 |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
N/A |
N/A |
N/A
|
| ? dubium Barrois, 1889 |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
N/A |
N/A |
N/A
|
| ? rostratus Trenkner, 1868 |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
N/A |
N/A |
N/A
|
| ? enorme Lindström, 1884 |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
N/A |
N/A |
N/A
|
| ? subrectum Hall, 1859 |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
N/A |
N/A |
N/A
|
| ? infabricatus Hyde, 1953 |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
N/A |
N/A |
N/A
|
| ? baldwini Rohr et al., 1981 |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
N/A |
N/A |
N/A
|
| ? puellaris Whidborne, 1891 |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
N/A |
N/A |
N/A
|
| ? concavum Hall, 1859 |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
N/A |
N/A |
N/A
|
| ? parva Shumard & Swallow, 1858 |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
N/A |
N/A |
N/A
|
| ? compressa Girty, 1910 |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
N/A |
N/A |
N/A
|
| ? egorovi Mazaev, 1996 |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
N/A |
N/A |
N/A
|
| ? tortuosum Hall, 1859 |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
N/A |
N/A |
N/A
|
| ? inequilaterale Barrois, 1889 |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
N/A |
N/A |
N/A
|
| ? rotunda Whidborne, 1896 |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
N/A |
N/A |
N/A
|
| ? conicum Hall, 1859 |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
N/A |
N/A |
N/A
|
| ? quadrangularis Whidborne, 1891 |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
N/A |
N/A |
N/A
|
| ? chesterense Meek & Worthen, 1867 |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
N/A |
N/A |
N/A
|
| ? spinigerum Worthen, 1883 |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
N/A |
N/A |
N/A
|
| ? trirotundolobatum Talent & Philip, 1956 |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
N/A |
N/A |
N/A
|
| ? cornutum Tschernischew, 1885 |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
N/A |
N/A |
N/A
|
| ? sileni Oehlert, 1883 |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
N/A |
N/A |
N/A
|
| ? aculeatum Barrois, 1889 |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
N/A |
N/A |
N/A
|
| ? conoidea Goldfuss, 1844 |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
N/A |
N/A |
N/A
|
| ? perplexum Hall, 1879 |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
N/A |
N/A |
N/A
|
| ? undulatum Barrois, 1889 |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
N/A |
N/A |
N/A
|
| ? parvulum Whiteaves, 1892 |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
N/A |
N/A |
N/A
|
| ? gracilis Mansuy, 1913 |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
N/A |
N/A |
N/A
|
| ? occidens Walcott, 1884 |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
N/A |
N/A |
N/A
|
| ? sciotoensis Hyde, 1953 |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
N/A |
N/A |
N/A
|
| ? extensum Barrois, 1889 |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
N/A |
N/A |
N/A
|
| ? belli Clarke, 1908 |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
N/A |
N/A |
N/A
|
| ? cornuforme Winchell, 1863 |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
N/A |
N/A |
N/A
|
| ? herzeri Winchell, 1871 |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
N/A |
N/A |
N/A
|
| ? waverlyensis Hyde, 1953 |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
N/A |
N/A |
N/A
|
| ? bowsheri Yochelson, 1956 |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
N/A |
N/A |
N/A
|
| ? dentalium Hall, 1862 |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
N/A |
N/A |
N/A
|
| ? protei Oehlert, 1883 |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
N/A |
N/A |
N/A
|
| ? campanulatum Barrois, 1889 |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
N/A |
N/A |
N/A
|
| ? vomerium Winchell, 1863 |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
N/A |
N/A |
N/A
|
| ? variablis Tyler, 1965 |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
N/A |
N/A |
N/A
|
| Igoceras Hall, 1859 |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
Igoceras |
N/A |
N/A
|
| Orthonychia Hall, 1843 |
Animalia |
Mollusca |
Gastropoda |
Cyrtoneritida |
Orthonychiidae |
Orthonychia |
N/A |
N/A
|