Gastropoda - Bellerophontida - Bellerophontidae
Full reference: J. B. Knight. 1956. New families of Gastropoda. Journal of the Washington Academy of Sciences 46(2):41-42
Parent taxon: Bellerophontidae according to P. Bouchet et al. 2017
See also Bouchet et al. 2005, Golikov and Starobogatov 1975, Knight et al. 1960 and Nützel and Ketwetsuriya 2016
Sister taxa: Bellerophontinae, Bucanopsinae, Cymbulariinae, Dicellonema, Sorobanobaca, Teutonophon, Yochelsonellisa
Subtaxa: Anapetopsis Cymatospira Knightites Patellilabia Retispira
Type: Knightites
Ecology: slow-moving low-level epifaunal detritivore
Distribution:
• Triassic of China (5 collections), Italy (2), United States (1: Wyoming)
• Permian of Argentina (3), Australia (7), Cambodia (2), China (23), India (4), Indonesia (1), Italy (2), Japan (1), Malaysia (1), Nepal (3), New Zealand (1), Pakistan (8), Peru (2), the Russian Federation (7), Thailand (2), Tunisia (3), United States (66: Arizona, Kansas, Montana, New Mexico, Texas, Wyoming), Venezuela (1)
• Carboniferous to Permian of China (1)
• Carboniferous of Argentina (1), Australia (9), Belgium (3), Canada (1: Alberta), China (1), Germany (1), Ireland (1), Isle of Man (1), Morocco (2), Peru (1), Poland (1), the Russian Federation (1), Ukraine (1), the United Kingdom (59), United States (192: Alabama, Arizona, Arkansas, Illinois, Indiana, Iowa, Kansas, Kentucky, Maryland, Missouri, Montana, Nebraska, Nevada, New Mexico, Ohio, Oklahoma, Pennsylvania, Texas, Utah, Wyoming)
• Givetian of France (3)
• Devonian of Australia (4), Canada (3: Northwest Territories, Quebec), China (1), Germany (7), Japan (1), Luxembourg (2), the United Kingdom (1), United States (52: Alaska, Iowa, Michigan, New York)
• Silurian of Canada (2: Nova Scotia), Sweden (3)
Total: 500 collections including 592 occurrences