Full reference: R. Owen. 1876. Descriptive and Illustrated catalogue of the Fossil Reptilia of South Africa in the Collection of the British Museum of Natural History.
Parent taxon: Dicynodontia according to C. F. Kammerer et al. 2011
See also Fröbisch and Reisz 2011, Kammerer and Angielczyk 2009 and Owen 1876
Sister taxa: Brachyprosopus, Chelyoposaurus, Chelyoposaurus williamsi, Cryptodontidae, Dicranozygoma, Dicranozygoma leptoscelus, Dicynodon leptorhinus, Dicynodontida, Dicynodontidae, Dicynodontoidea, Diictodontia, Diictodontidae, Diictodontoidea, Dolomitipes, Dromasaurida, Dromasauroidea, Emydopoidea, Emydorhinus, Endothiodontia, Endothiodontidae, Endothiodontoidea, Eocyclops, Eodicynodon, Eodicynodontia, Eodicynodontidae, Eodicynodontoidea, Eumantelliidae, Eurycarpus oweni, Fukangolepis barbaros, Haughtoniana, Haughtoniana magna, Heuneus, Hyorhynchus, Kannemeyeroidea, Katumbia, Kingoridae, Kingorioidea, Koupia, Koupia koupensis, Oudenodon strigiceps, Pentasauropus, Platycyclops, Pristerodontia, Pristerodontoidea, Ptychognathus, Pylaecephalidae, Taognathus, Taognathus megalodon, Therapsipus, Therochelonia, Venjukoviamorpha
Subtaxa: Cryptodontia Dicynodon rectidens Rastodon