Chondrichthyes - Holocephalomorpha
Alternative spelling: Holocephalimorpha
Parent taxon: Holocephali according to J. A. Ebersole et al. 2022
See also Goto and Okura 2004, Gouiric-Cavalli et al. 2015, Long 2011, Lund and Grogan 2004, Nelson 2006, Nelson et al. 2016 and Popov et al. 2020
Sister taxa: Chimaeri, Debeeriformes, Debeeriiformes, Delphyodontos, Edaphodus, Eugeneodontiformes, Helodontiformes, Iniopterygiformes, Macrodontacanthus, Menaspacanthus, Orodontiformes, Paraselachiamorpha, Paraselachimorpha, Petalodontiformes, Thoralodus, Trachyacanthi, Pseudodontichthyidae, Brachyrhizodus, Metaxyacanthus, Ageleodus, Gregoriidae, Euglossodus, Cynopodius, Desmiodus, Lagarodontidae, Mesolophodus
Subtaxa: Chimaeriformes Chondrenchelyiformes Cochliodontiformes Copodontiformes Menaspiformes Psammodontiformes Squalorajiformes