Traits Taxon list
Cylicioscapha sinensis X.-D. Qiao, 1983 † (uncertain > unassessed )
Cylicioscapha tarimensis X.-D. Qiao, 1983 † (uncertain > unassessed )
Cylicioscapha texana (Yochelson, 1956) †
Discotheca cycla X.-D. Qiao, 1983 †
Discotropis alveola X.-D. Qiao, 1983 † (uncertain > unassessed )
Discotropis klobukowskii (Mansuy, 1912) †
Discotropis publicus Yochelson, 1956 †
Euomphalopsis splettstoesseri Webers, Pojeta & Yochelson, 1992 †
Euomphalus africanum (Heidelberger, Korn & Ebbighausen, 2009) †
Euomphalus cornudanus (Shumard, 1859) †
Euomphalus goldfussii d'Archiac & de Verneuil, 1842 † accepted as Omphalocirrus goldfussii (d'Archiac & de Verneuil, 1842) †
Euomphalus intermedius (M. Gordon & Yochelson, 1983) †
Euomphalus jiangyouensis Y.-T. Pan, 1978 † (uncertain > unassessed )
Euomphalus kaibabensis Chronic, 1952 †
Euomphalus labadyei d'Archiac & Verneuil, 1842 † (uncertain > unassessed )
Euomphalus latus Y.-T. Pan, 1978 † (uncertain > unassessed )
Euomphalus majiaobaensis Y.-T. Pan, 1978 † (uncertain > unassessed )
Euomphalus mapingensis (Grabau, 1936) †
Euomphalus marginatiformis (B. K. Likharev, 1967) †
Euomphalus marginatus Eichwald, 1860 †
Euomphalus minimus McCoy, 1847 † (uncertain > unassessed )
Euomphalus minutus Zieten, 1832 † accepted as Coelodiscus minutus (Zieten, 1832) †
Euomphalus moniliferus Romanovsky, 1890 †
Euomphalus obtusus J. Hall, 1858 †
Euomphalus peskensis (Mazaev, 1994) †
Euomphalus pirochiensis (Mazaev, 1994) †
Euomphalus planodorsatus Meek & Worthen, 1861 † (uncertain > unassessed )
Euomphalus planorbis d'Archiac & Verneuil, 1842 † (uncertain > unassessed )
Euomphalus schnuri d'Archiac & Verneuil, 1842 † (uncertain > unassessed )
Euomphalus solariformis Delpey, 1941 † accepted as Dichostasia solariformis (Delpey, 1941) †
Euomphalus umbilicatus Meek & Worthen, 1861 † (uncertain > unassessed )
Goldfussoceras circinalis (Goldfuss, 1844) †
Leptomphalus kushuiensis X.-D. Qiao, 1983 † (uncertain > unassessed )
Leptomphalus micidus (Yochelson, 1956) †
Phymatifer giganteus Y.-T. Pan, 1978 † (uncertain > unassessed )
Schizostoma buchii Münster, 1841 † accepted as Kokenella buchi (Münster, 1841) †
Schizostoma costata Münster, 1841 † (uncertain > unassessed )
Semisolarium albense (A. d'Orbigny, 1842) †
Semisolarium astierianum (A. d'Orbigny, 1842) †
Semisolarium moniliferum (Michelin, 1833) † (accepted > unreplaced junior homonym )
Semisolarium neocomiense (A. d'Orbigny, 1842) †
Serpulospira scalariformis Yoo, 1994 †
Straparollus batangensis Y.-T. Pan, 1978 † (uncertain > unassessed )
Straparollus brevis Yoo, 1994 †
Straparollus dionysii Montfort, 1810 †
Straparollus lens Gabb, 1864 † accepted as Polygyroidea lens (Gabb, 1864) †
Straparollus nudus Piette, 1855 † accepted as Crossostoma nudum (Piette, 1855) †
Straparollus scalatus Cossmann, 1885 † (uncertain > unassessed )
Straparollus similis Meek & Worthen, 1861 † (uncertain > unassessed )
Straparollus similis var. planus Meek & Worthen, 1861 † (uncertain > unassessed )
Straparollus tianshanensis X.-D. Qiao, 1983 † (uncertain > unassessed )
Straparollus tongziensis Y.-T. Pan, 1978 † (uncertain > unassessed )
Straparolus pulchellus A. d'Orbigny, 1850 † accepted as Nummocalcar (Platybasis) pulchellum (A. d'Orbigny, 1850) † represented as Nummocalcar pulchellum (A. d'Orbigny, 1850) †
Yochelsoniella greggi (Rohr, 1980) †