Gastropoda - Euomphalina - Euomphalidae
Full reference: C. A. White. 1877. The invertebrate fossils collected in portions of Nevada, Utah, Colorado, New Mexico, Arizona, by parties of the Expeditions of 1871, 1872, 1873 and 1874. Chapter VI, Carboniferous age. Report upon U.S. Geographical Surveys west of the 100th Meridian, (G.M. Wheeler surveys) 4(1):79-161
Parent taxon: Euomphalidae according to Y. T. Pan and Y. C. Zhang 1983
Sister taxa: Acanthonema, Alaionema, Anisostoma, Araeonema, Austerum, Biformispira, Burdikinia, Centrifugus, Condonella, Cylicioscapha, Devonicornu, Discotropis, Eleutherospira, Elkoceras, Euomphalopsis, Euomphalopterinae, Euomphalus, Fletcherviewia, Goldfussoceras, Hippocampoides, Kiaeromphalus, Krasopea, Linsleyella, Nevadaspira, Nodeuomphalus, Novakopteron, Odontomariinae, Offleyotrochus, Pentagonodiscus, Phanerotinus, Pleuronotus, Poleumita, Polytropidae, Rhabdotocochlis, Rihamphalus, Saturnotropis, Schizostomatidae, Sinistrispira, Sinutropis, Straparollinae, Straparollus, Stusakia, Tongweispira, Tychobrahea, Weeksia, Spinicharybdiinae
Subtaxa: Amphiscapha Heteronodosus Leptomphalus Paromphalus Planotectus Pseudomphalotrochus
Ecology: stationary epifaunal suspension feeder
Distribution:
• Permian of Australia (3 collections), Cambodia (2), China (3), Germany (3), Pakistan (5), Peru (3), Svalbard and Jan Mayen (1), United States (71: Arizona, Kansas, Nevada, New Mexico, Texas, Utah)
• Carboniferous of Peru (1), the Russian Federation (4), United States (118: Alabama, Arizona, Arkansas, Illinois, Kansas, Kentucky, Maryland, Missouri, Montana, Nebraska, Nevada, New Mexico, Ohio, Oklahoma, Pennsylvania, Texas, Wyoming)
• Devonian of Australia (3), Canada (1: Manitoba), the United Kingdom (3), United States (12: Alaska, Michigan, Utah)
Total: 233 collections including 241 occurrences