†family Chlamydoselachidae (elasmobranch)
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