Chondrichthyes - Petalodontiformes - Pristodontidae
Synonym: Peripristidae Eastman 1902
Parent taxon: Petalodontiformes according to M. Ginter et al. 2010
See also Hansen 1978, Jordan 1963, Lund 1989, Nelson 2006, Woodward 1889 and Zangerl 1981
Sister taxa: Belantseidae, Janassidae, Paracymatodus, Petalodontidae, Serratodus
Subtaxa: Calopodus Davodus Diodontopsodus Hoplodus Megactenopetalus Peripristis Petalorhynchus Pristodus Siksika
Ecology: nektonic carnivore
Distribution:
• Permian of Bolivia (1 collection), China (2), Iran (1), Pakistan (1), United States (6: Arizona, Oklahoma, Texas)
• Virgilian of United States (1: New Mexico)
• Pennsylvanian of the United Kingdom (5)
• Carboniferous of Italy (1), United States (10: Kansas, Montana, Nebraska, New Mexico)
• Mississippian of the United Kingdom (1), United States (1: Kentucky)
Total: 30 collections including 33 occurrences