Classification of Gründel and Kollmann 2012
Fm. †Cerithideidae Houbrick 1988
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Fm. Liotiidae Gray 1850
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G. †Costatomphalus Gründel and Kollmann 2012
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†Costatomphalus bandeli Schroder 1995
†Costatomphalus dentatocarinatum Wollemann 1900
†Costatomphalus michaillensis Pictet and Campiche 1863
†Costatomphalus moosleitneri Gründel and Kollmann 2012
G. †Pseudoliotina Cossmann 1925
Fm. †Nerineidae Zittel 1873
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G. †Favria Cossmann 1916
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†Favria pellati Cossmann 1907
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Invalid names: Favria conica Sayn 1932 [synonym], Favria lanceolata Sayn 1932 [synonym]
Fm. Pickworthiidae Iredale 1917
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G. †Bleytonella Gründel and Kollmann 2012
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†Bleytonella brevis Pictet and Campiche 1826
†Bleytonella circumlata Gründel and Kollmann 2012
†Bleytonella michaillensis Pictet and Campiche 1862
Infraor. Stylommatophora Schmidt 1856 [slug]
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Fm. †Eucyclidae Koken 1896
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Subfm. †Uchauxiinae Kollmann 2005
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