Euomphalidae

Euomphalidae
A specimen of Euomphalus pentangulatus on display at the Paleontological Museum in Munich
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Superfamily:	† Euomphaloidea
Family:	† Euomphalidae White, 1877 [1]
Genera
See text
Synonyms
Schizostomatidae Bronn, 1849 (inv.) Euomphalopteridae Bronn, 1849 (inv.) Polytropidae Ulrich, 1897 (inv.) Straparollinae Cossmann, 1916 Poleumitidae Wenz, 1938

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: ^[2]

• 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

1. White C. A. (1877). Report upon the invertebrate fossils collected in portions of Nevada, Utah, Colorado, New Mexico, and Arizona, by parties of the expeditions of 1871, 1872, 1873, and 1874. Report upon United States geographical surveys west of the one hundredth meridian. Volume 4, Paleontology. Government printing Office, Washington DC. 219 pp., 21 plates. p. 158.
2. Euomphalidae. The Paleobiology Database, accessed 12 August 2009.

• 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.