Chondrichthyes - Xenacanthimorpha
Parent taxon: Elasmobranchii according to J. A. Long 2011
See also Ginter et al. 2010 and Nelson et al. 2016
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, Omalodontiformes, Oniscina, Ornathiliabrilance, Ornatilabrilancea, Orodontida, Osteodonti, Parvicorona, Parvidiabolus, Parviscapha, Phoebodontiformes, Physonemus, Plagiostomi, Platylithophycus, Pleuracanthidae, Pleuracanthodii, Pristiorajea, Proselachii, Protodontidae, Raineria, Rosaodus, Rugosicorona, Sacrisubcorona, Selachii, Selachii, Selachimorpha, Serratocorona, Siamodus, Suaviloquentia, Thrinacodontidae, Undulaticorona, Xenacanthida
Subtaxa: Bransonelliformes Xenacanthiformes
Ecology: nektonic carnivore