Chondrichthyes - Holocephali

Parent taxon: Holocephali according to M. Goto and M. Okura 2004

Sister taxa: Chimaeriformes, Cranodus, Cymatodus, Debeeriformes, Delphyodontos, Dichelodus, Helodontidae, Helodontiformes, Helodopsis, Icanodus, Iniopterygiformes, Macrodontacanthus, Menaspacanthus, Paraselachiamorpha, Physonemus, Platyodus, Ptyktoptychion, Synthetodus, Thoralodus, Venustodus, Xenodus

Subtaxa: Cochliodontiformes, Copodontiformes, Menaspiformes, Psammodontiformes, Squalorajiformes

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Ecology: nektonic carnivore