Gastropoda - Bellerophontida - Euphemitidae
Full reference: J. B. Knight. 1956. New families of Gastropoda. Journal of the Washington Academy of Sciences 46(2):41-42
Parent taxon: Bellerophontoidea according to P. Bouchet et al. 2017
See also Bouchet et al. 2005, Golikov and Starobogatov 1975, Nützel and Ketwetsuriya 2016 and Wahlman 1992
Sister taxa: Bellerophontidae, Blodgettinotus, Bucanellidae, Bucaniidae, Cymbulariidae, Knightitidae, Plectonotidae, Pterothecidae, Sinuitidae, Temnodiscidae, Thoralispira, Yochelsoniidae
Subtaxa: Euphemitinae Paleuphemitinae
Type: Euphemites
Ecology: slow-moving shallow infaunal carnivore
Distribution:
• Triassic of Australia (2 collections), China (5), Greenland (15), India (1), Italy (7), Norway (1), Pakistan (9), the Russian Federation (8), Svalbard and Jan Mayen (5)
• Permian of Argentina (1), Australia (30), Canada (1: Alberta), China (21), India (2), Iran (1), Italy (18), Japan (8), Mexico (7), Nepal (2), New Zealand (9), Pakistan (81), the Russian Federation (6), Thailand (6), Tunisia (2), United States (124: Arizona, Montana, Nevada, New Mexico, Texas, Utah, Wyoming), Venezuela (1)
• Carboniferous to Permian of China (1)
• Carboniferous of Argentina (2), Australia (8), Belgium (2), China (3), Germany (1), Ireland (1), Morocco (1), Peru (3), Poland (1), the United Kingdom (24), United States (206: Alabama, Alaska, Arizona, Arkansas, California, Illinois, Iowa, Kansas, Kentucky, Maryland, Missouri, Montana, Nebraska, Nevada, New Mexico, Ohio, Oklahoma, Pennsylvania, Texas, Utah, Virginia, Wyoming)
• Devonian of Canada (1: Quebec), the Czech Republic (1), the United Kingdom (2), United States (1: Michigan)
Total: 631 collections including 797 occurrences