Euomphalidae Explained

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:^[1]

• 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

References

• Bouchet P., Rocroi J.P., Hausdorf B., Kaim A., Kano Y., Nützel A., Parkhaev P., Schrödl M. & Strong E.E. (2017). Revised classification, nomenclator and typification of gastropod and monoplacophoran families. Malacologia. 61(1-2): 1–526.

External links

• Linsley R.M. & Yochelson E.L. 1973. Devonian Carrier Shells (Euomphalidae) from North America and Germany. Geological Survey Professional Paper, 824: 1-26, pl. 1-6.

Notes and References

1. http://paleodb.org/cgi-bin/bridge.pl?action=checkTaxonInfo&taxon_no=70088&is_real_user=1 Euomphalidae