Euomphalidae

Euomphalidae is an extinct family of Paleozoic to early Mesozoic marine molluscs which may be gastropods with anisostrophically coiled shells (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005). The shells show a selenizone.

Genera
Genera in the family Euomphalidae include:


 * Acanthonema
 * Alaionema
 * Amphiscapha
 * Anisostoma
 * Araeonema - synonym: Palaeoturbina
 * Austerum
 * Bicarina
 * Biformispira
 * Centrifugus - synonym: Hisingeria
 * Coelodiscus C.-C.Jao, 1941 (unaccepted)
 * Cylicioscapha
 * Discotropis
 * Eleutherospira
 * Elkoceras
 * Euomphalopsis
 * Euomphalus J. de C. Sowerby, 1814 - type genus - synonyms: Phymatifer, Schizostoma, Paromphalus.
 * Fletcherviewia
 * Goldfussoceras
 * Hippocampoides
 * Kiaeromphalus
 * Leptomphalus
 * Linsleyella
 * Nevadaspira
 * Nodeuomphalus
 * Novakopteron
 * Nummocalcar
 * Odontomaria
 * Offleyotrochus
 * Phanerotinus
 * Planotectus
 * Platybasis
 * Pleuronotus
 * Poleumita - synonyms: Polytropina, Polytropis.
 * Rhabdotocochlis
 * Saturnotropis
 * Sinistrispira
 * Sinutropis
 * Spinicharybdiinae
 * Straparollus
 * Stusakia
 * Tychobrahea
 * Weeksia
 * Woehrmannia