Classification of Koken 1889
G. †Euomphalus Sowerby 1814
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†Euomphalus annulatus Phillips 1841
†Euomphalus circinalis Goldfuss 1844
G. †Raphistoma Hall 1847
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†Raphistoma damesi Koken 1889
†Raphistoma schmidti Koken 1889
G. †Murchisonia d'Archiac and de Verneuil 1841
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†Murchisonia binodosa d’Archiac and de Verneuil 1842
†Murchisonia eichwaldi Koken 1889
†Murchisonia verneuili Koken 1889
G. †Platyceras Conrad 1840
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†Platyceras dumosiforme Koken 1889
†Platyceras erinacum Koken 1889
G. †Pleurotomaria Defrance 1826
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†Pleurotomaria delphinuloides von Schlotheim 1820
†Pleurotomaria elliptica Hisinger 1837
†Pleurotomaria guestphalica Koken 1889
†Pleurotomaria hyperboraea Koken 1889
†Pleurotomaria kayseri Koken 1889
†Pleurotomaria kokeni Koken 1889
†Pleurotomaria latevittata Koken 1889
†Pleurotomaria nigra Koken 1889
†Pleurotomaria pragensis Koken 1889
†Pleurotomaria roemeri Koken 1889
†Pleurotomaria rossica Koken 1889
†Pleurotomaria sandbergi Koken 1889
†Pleurotomaria semilaevis Koken 1889
†Pleurotomaria vicinalis Koken 1889
G. †Stenoloron Oehlert and Oehlert 1888
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†Stenoloron aequilatera Wahlenberg 1821
†Stenoloron linnarssoni Lindström 1884
†Stenoloron voluta Lindström 1884
G. †Oxydiscus Koken 1889
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†Oxydiscus curvilineatus Conrad 1842
†Oxydiscus imitator Koken 1889