Parent taxon: Elasmobranchii according to R. Zangerl 1981
See also Heidtke 1998
Sister taxa: Amelacanthus, Annulicorona, Antarctilamniformes, Aporomicrodus, Arduodens, Carcharopsis, Carinasubcorona, Celtiberina, Cestraciontidae, Changxingselache, Cladodontomorphi, Cladodontomorphii, Cladodus hassiacus, Cladodus wildungensis, Cladoselachida, Cladoselachii, Complanicorona, Coniunctio, Coronodontida, Eunemacanthus, Euselachiformes, Euselachii, Fragilicorona, Galeiformes, Glabrisubcorona, Gondwanodus, Ichthyodorulites, Kannathalepididae, Labascicorona, Labrilancea, Leonodus, Lesnilomia, Listracanthidae, Lobaticorona, Meishanselache, Minuticorona, Myliobatiformes, Omalodontiformes, Oniscina, Ornathiliabrilance, Ornatilabrilancea, Orodontida, Osteodonti, Parvicorona, Parvidiabolus, Parviscapha, Phoebodontiformes, Physonemus, Plagiostomi, Platylithophycus, Pleuracanthidae, Pleuracanthodii, Pristiorajea, Proselachii, Protodontidae, Raineria, Rosaodus, Rugosicorona, Sacrisubcorona, Selachii, Selachimorpha, Serratocorona, Siamodus, Suaviloquentia, Undulaticorona, Xenacanthimorpha
Subtaxa: Anodontacanthus Orthacanthidae
Ecology: nektonic carnivore
Distribution:
• Cretaceous of Japan (1 collection)
• Jurassic of France (1)
• Triassic of Poland (1)
• Permian of France (1), United States (15: Kansas, Oklahoma, Pennsylvania, Texas)
• Carboniferous to Permian of United States (1: Utah)
• Carboniferous of the United Kingdom (9), United States (8: Arizona, Illinois, Kansas, Nebraska, New Mexico, West Virginia)
• Devonian of Canada (2: New Brunswick)
Total: 39 collections including 53 occurrences