Chondrichthyes - Ctenacanthimorpha
Parent taxon: Chondrichthyes according to R. van der Laan 2019
See also Nelson et al. 2016
Sister taxa: Altholepidiformes, Antarctilamniformes, Bandringidae, Bradyodontida, Cladoselachimorpha, Clamydoselachidae, 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
Subtaxa: Ctenacanthiformes Squatinactiformes
Ecology: nektonic carnivore