Chondrichthyes - Hexanchiformes

Parent taxon: Hexanchiformes according to J. J. Sepkoski 2002

Sister taxa: Chlamydoselachidae, Eonotidanus, Hexanchidae, Pachyhexanchus, Paraheptranchias, Paranotidanus, Pseudonotidanidae, Welcommia, Weltonia

Subtaxa: none

Ecology: nektonic carnivore