Order Squalomorphii Compagno 1973
Chondrichthyes - Squalomorphii
Parent taxon: Neoselachii according to S. Stumpf and J. Kriwet 2019
See also Biddle 1993, Duffin and Ward 1993, Engelbrecht et al. 2017, Ginter et al. 2010, Johns 1997, Long 1992, Sepkoski 2002, Wueringer et al. 2009 and Yamagishi 2004
Sister taxa: Agaleidae, Anachronistidae, Batoidea, Batomorphii, Cretomanta, Dalatiiformes, Duffinselache, Galea, Galeomorphii, Grozonodon, Hopleacanthus, Mcmurdodontidae, Nanocetorhinus, Odontorhytis, Ostenoselachidae, Palaeocarcharidae, Protospinaciformes, Rhomaleodus, Selachii, Squalea, Squatinomorphii, Synechodontiformes, Vallisia
Subtaxa: Hexanchiformes Pristiophoriformes