Chondrichthyes - Xenacanthiformes - Xenacanthidae
Parent taxon: Xenacanthiformes according to M. Ginter et al. 2010
See also Cappetta 1987, Daly 1973, Hay 1902, Heckert 2004, Heckert and Lucas 2006, Jordan 1963, Murry 1989, Nelson et al. 2016 and Zangerl 1981
Sister taxa: Diplodoselachidae, Xenosynechodontidae
Subtaxa: Acanthopleurus Aganodus Compsacanthus Diacranodus Fayolia Lepacanthus Lophacanthus Mooreodontus Ochlodus Phricacanthus Platyacanthus Pleuracanthus Plicatodus Pternodus Triodus Wurdigneria Xenacanthus
Ecology: nektobenthic carnivore
Distribution:
• Triassic of Australia (2 collections), Austria (1), India (1), Poland (1), United States (13: Arizona, New Mexico, Texas)
• Permian of Brazil (2), the Czech Republic (4), Germany (1), Norway (1), United States (43: New Mexico, Oklahoma, Texas, Utah)
• Carboniferous to Permian of United States (1: New Mexico)
• Carboniferous of France (1), the United Kingdom (10), United States (4: Arizona, Illinois, Oklahoma)
Total: 85 collections including 95 occurrences