After Modesto, Rubidge & Welman, 1999 and Maisch, 2002

<==o †Pristerodontia Cluver & King, 1983 [Pristerodontoidea Cluver & King, 1983]
   |--o †Pristerodontidae King, 1988
   |  |-- †Emyduranus
   |  |-- †Eurychororhinus
   |  |--o †Pristerodon
   |  |  |-- †P. mackayi Huxley, 1868
   |  |  `-- †P. whaitsi
   |  |-- †Storthyggnathus
   |  `-- †Synostocephalus
   `--+-- †Oudenodontidae
      `--+-- †Propelanomodon devilliersi Toerien
         `--+--o †Geikiidae Nopcsa, 1923 (v. Huene, 1942) sensu Maisch & Gebauer, 2005 [Geikiniae Nopcsa, 1923; Geikiidae Huene, 1956; Geikiidae Maisch & Gebauer, 2005; Aulacephalodontinae Toerien, 1953; Aulacephalodontinae Lehman in Piveteau, 1961; Aulacephalodontinae Cluver & King, 1983]
            |  |?- †Digalodon
            |  |--o †Aulacephalodon Seeley, 1898 [Aulacocephalodon (lapsus calami)]
            |  |  |-- †A.? sp.
            |  |  |-- †A. bainii (Owen)
            |  |  `-- †A. laticeps
            |  `--+--o †Geikia Newton, 1893 sensu Maisch & Gebauer, 2005
            |     |  |?- †G. mirabilis
            |     |  |-- †G. elginensis Newton, 1913
            |     |  `-- †G. locusticeps (v. Huene, 1942) Rowe, 1980 [Dicynodon locusticeps v. Huene, 1942] [incl. Pelanomodon tuberosus v. Huene, 1942 sensu Maisch & Gebauer, 2005]
            |     `--o †Pelanomodon Broom, 1938
            |        |-- †P. halli
            |        |-- †P. kitchingi
            |        |-- †P. moschops
            |        `-- †P. rubidgei
            `--+--o †Odontocyclops Keyser & Cruickshank, 1979 [taxonomic history]
               |  |-- †O. dubius (Boonstra, 1938) Keyser & Cruickshank, 1979 [taxonomic history]
               |  `-- †O. whaitsi (Broom, 1913) Angielczyk, 2002 [taxonomic history]
               `--+--o †Lystrosauridae Broom, 1903 [Dicynodontidae: Kannemeyeriinae: Lystrosaurini Broom, 1903]
                  |  |-- †Kwazulusaurus shakai Maisch, 2002
                  |  `--o †Lystrosaurus Cope, 1870 [Prolystrosaurus]
                  |     |-- †L. murrayi (Huxley, 1859)
                  |     |-- †L. georgi Kalandadze, 1975
                  |     |-- †L. curvatus
                  |     |-- †L. latirostris
                  |     |-- †L. mccagi
                  |     |-- †L. sp.
                  |     `-- †L. strigops
                  `--+-- †Dicynodontidae Owen, 1859
                     `--+--o †Dinanomodon rubidgei Broom, 1938
                        |  |-- †D. rubidgei Broom, 1938
                        |  `-- †D. gigas Broom, 1940
                        `--o †Kannemeyeriiformes
                           |?-o †Shansiodontidae Cox, 1965
                           |  |-- †Rhinodicynodon gracile Kalandadze, 1970
                           |  `-- †Shansiodon
                           |?-o †Stahleckeriidae Lehman, 1961
                           |  |-- †Elephantosaurus jachimovitchi Vjuschkov, 1969
                           |  |-- †Elatosaurus facetus Kalandadze, 1985
                           |  `-- †Stahleckeria potens
                           `-- †Kannemeyeriidae Huene, 1948 [Dicynodontidae: Kannemeyeriinae Huene, 1948]

Reference(s):

 

Special thanks to:

Jos H. M. Dols, for gathering additional information and species of these animals.