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 Anapsida Osborn, 1903 - anapsids
               Order †Captorhinida
                 Suborder †Pareiasauroidea Nopsca, 1928 see Suborder Pareiasauria Seeley, 1888
                   Family †Pareiasauridae Cope, 1896
                     1 Genus †Anthodon Owen, 1876
                     2 Genus †Bradysaurus Watson, 1914
                     3 Genus †Elginia Newton, 1892
                     4 Genus †Embrithosaurus Watson, 1914
                     5 Genus †Nanoparia Broom, 1936
                     6 Genus †Parasaurus Marsh, 1893
                     7 Genus †Pareiasaurus Owen, 1876
                     8 Genus †Scutosaurus Hartmann-Weinberg, 1930
                     9 Genus †Shihtienfenia Young & Yeh, 1963