Vertebrata Cuvier, 1812 - vertebrates
   Gnathostomata
     Teleostomi
       Tetrapoda Hatschek & Cori 1896 [Gauthier, Kluge & Rowe 1988]
         Amniota Haeckel, 1866 [Gauthier, Kluge & Rowe 1988] - amniotes
           Class Reptilia Linnaeus, 1758 [paraphyletic] - reptiles
             Subclass †Synapsida Osborn, 1903 - synapsids see Class Synapsida Osborn, 1903
               Order †Therapsida Broom, 1905 see [unranked] Therapsida Broom, 1905
                 Suborder †Dicynodontia Owen, 1859 see [unranked] Dicynodontia Owen, 1859
                   1 Infraorder †Venjukoviamorpha [monotypic]
                   2 Infraorder †Dromasauria (Broom, 1907) [monotypic]
                   3 Infraorder †Eodicynodontia [monotypic]
                   4 Infraorder †Endothiodontia (Owen, 1876) [monotypic]
                   5 Infraorder †Pristerodontia
                   6 Infraorder †Diictodontia
                   7 Infraorder †Kingoriamorpha [monotypic]