†order Debeeriformes (chimaera)
Chondrichthyes - Debeeriformes
Parent taxon: Holocephali according to J. A. Long 2011
Sister taxa: Chimaeri, Debeeriiformes, Delphyodontos, Edaphodus, Eugeneodontiformes, Helodontiformes, Holocephalomorpha, Iniopterygiformes, Macrodontacanthus, Menaspacanthus, Orodontiformes, Paraselachiamorpha, Paraselachimorpha, Petalodontiformes, Thoralodus, Trachyacanthi, Pseudodontichthyidae, Desmiodus, Euglossodus, Gregoriidae, Mesolophodus, Ageleodus, Cynopodius, Metaxyacanthus, Lagarodontidae, Brachyrhizodus
Subtaxa: none
Ecology: nektobenthic carnivore
Distribution: there are no occurrences of Debeeriformes in the database