Euomphalidae


Euomphalidae is an extinct family of Paleozoic to early Mesozoic marine molluscs which may be gastropods Taxonomy of the Gastropoda (Bouchet & Rocroi, 2005)#With anisostrophically coiled [shells of uncertain position (Gastropoda?)|with anisostrophically coiled shells].
The shells show a selenizone.

Genera

Genera in the family Euomphalidae include:AcanthonemaAlaionemaAmphiscaphaAnisostomaAraeonema - synonym: PalaeoturbinaAusterumBicarinaBiformispiraCentrifugus - synonym: HisingeriaCoelodiscus C.-C.Jao, 1941 CylicioscaphaDiscotropisEleutherospiraElkocerasEuomphalopsisEuomphalus J. de C. Sowerby, 1814 - type genus - synonyms: Phymatifer, Schizostoma, Paromphalus.FletcherviewiaGoldfussocerasHippocampoidesKiaeromphalusLeptomphalusLinsleyellaNevadaspiraNodeuomphalusNovakopteronNummocalcarOdontomariaOffleyotrochusPhanerotinusPlanotectusPlatybasisPleuronotusPoleumita - synonyms: Polytropina, Polytropis.RhabdotocochlisSaturnotropisSinistrispiraSinutropisSpinicharybdiinaeStraparollusStusakiaTychobraheaWeeksia