†family Ctenacanthidae Dean 1909 (elasmobranch)
Chondrichthyes - Ctenacanthiformes
Parent taxon: Ctenacanthiformes according to M. Ginter et al. 2010
Sister taxa: Acandylacanthus, Arauzia, Coelosteus, Ctenacanthoidea, Echinodus, Eoorodus, Goodrichthys, Heslerodidae, Hybocladodus, Kaibabvenator, Lambdodus, Moyacanthus, Nanoskalme, Neosaivodus, Pororhiza, Raineria, Saivodus, Styracodus
Subtaxa: Acondylacanthus, Amelacanthus, Bythiacanthus, Cladodoides, Cladodus, Cratoselache, Ctenacanthus, Eunemacanthus, Glikmanius, Glymmatacanthus, Tamiobatis
Ecology: nektonic carnivore