Full reference: T. H. Huxley. 1880. On the application of the laws of evolution to the arrangement of the Vertebrata, and more particularly of the Mammalia. Proceedings of the Zoological Society, London 43:649-662
Parent taxon: Gnathostomata according to R. van der Laan 2019
See also Barnes 1998, Dineley and Metcalf 1999, Fourriére et al. 2014, Huxley 1880, Long 2011, Meyer and Zardoya 2003, Nelson et al. 2016, Richter et al. 2017, Sepkoski 2002, Squires 1984 and Young 1997
Sister taxa: Acanthodii, Chondrichthiomorphi, Eugnathostomata, Ichthyes, Janusiscus, Minjinia, Osteichthyes, Placodermi, Placodermiomorphi, Plectrodus, Qilinyu, Ramirosuarezia, Xiushanosteus
Subtaxa: Altholepidiformes Antarctilamniformes Bandringidae Bradyodontida Cladoselachimorpha Clamydoselachidae Ctenacanthimorpha Ctenoptychius ordii Desmiodontida Doliodus Duplisuggestus Elegestolepidida Eucentrurus Euselachii Fasciodus Geisacanthus Gladbachus Gogoselachus Gracilisuggestus Holocephali Holocephalimorpha Iniopterygia Kathemacanthidae Leonotus Machichnus Mongolepidida Mongolepidiformes Obtusacanthus Omalodontiformes Palaeospondylidae Phoebodontiformes Plesioselachus Polymerolepidiformes Polysentoridae Proprigalea Protodontidae Ptomacanthus Pucapampellidae Pucapumpella Qianodus Rhinobatiformes Shenacanthus Simmorius Sinacanthida Subterbranchialia Thaumatacanthus Wellingtonellidae Xenacanthimorpha Yuanolepis
Ecology: nektonic carnivore