Chondrichthyes - Xenacanthimorpha
Parent taxon: Elasmobranchii according to J. A. Long 2011
See also Ginter et al. 2010
Sister taxa: Annulicorona, Antarctilamniformes, Arduodens, Carcharopsis, Carinasubcorona, Celtiberina, Cestraciontidae, Changxingselache, Cladodontida, Cladodontomorphi, Cladodus hassiacus, Cladodus wildungensis, Cladoselachida, Cladoselachii, Cladoselachimorpha, Complanicorona, Coniunctio, Coronodontida, Euselachiformes, Euselachii, Fragilicorona, Galeiformes, Glabrisubcorona, Gondwanodus, Kannathalepididae, Labascicorona, Labrilancea, Leonodus, Lesnilomia, Listracanthidae, Lobaticorona, Meishanselache, Minuticorona, Omalodontiformes, Oniscina, Ornathiliabrilance, Ornatilabrilancea, Orodontida, Osteodonti, Parvicorona, Parvidiabolus, Parviscapha, Phoebodontiformes, Plesioselachus, Pleuracanthidae, Pleuracanthodii, Pristiorajea, Protodontidae, Pseudodalatiidae, Raineria, Rugosicorona, Sacrisubcorona, Selachii, Selachimorpha, Serratocorona, Siamodus, Squatinida, Suaviloquentia, Undulaticorona, Xenacanthida
Subtaxa: Bransonelliformes Xenacanthiformes
Ecology: nektonic carnivore