Classification of the genus Omphalotrochus
G. †Omphalotrochus Meek 1864
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†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 obtusispira Shumard 1859
†Omphalotrochus spinosus Yochelson 1956
†Omphalotrochus tabulatus Phillips 1836
†Omphalotrochus timanicus Licharew 1974
†Omphalotrochus uerjagensis Licharew 1974
†Omphalotrochus whitneyi Meek 1864
†Omphalotrochus wolfcampensis Yochelson 1956