Chondrichthyes - Hexanchiformes

Parent taxon: Hexanchiformes according to C. J. Underwood 2006

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

Subtaxa: none

Ecology: nektonic carnivore