Mikko's Phylogeny Archive Main Groups of Non-Mammalian Synapsids   Theriodontia -families

After Carroll, 1988, Rowe, 1999, Luo, 1994 and Luo & Wu, 1994

<==o Theriodontia
   |?-o †Gorgonopsia
   |  |?- †Ictidorhinidae
   |  `--+?- †Hipposauridae
   |     |?- †Burnetiidae
   |     `-- †Gorgonopsidae
   `--+--o Therocephalia
      |  |?- †Nanictodopsidae
      |  |-- †Crapartinellidae
      |  |-- †Hofmeyriidae
      |  |-- †Lycidopsidae
      |  |-- †Ericolacertidae
      |  |-- †Scaleposauridae
      |  |-- †Simorhinellidae
      |  |--o †Pristerosauria Hopson & Berghusen, 1986
      |  |  `-- Scylacosauridae Broom, 1903 [incl. Pristerognathidae]
      |  `--o †Eutherocephalia Hopson & Berghusen, 1986
      |     |-- †Moschorhinidae Brick, 1959 [Euchambersiidae Hopson & Berghusen, 1986]
      |     |-- †Whaitsiidae
      |     `--o †Bauroidea Broom, 1911 [Ictidosauria]
      |        |-- †Ictidosuchopsidae Hopson & Berghusen, 1986 [Ictidosuchidae]
      |        `-- †Bauridae Broom, 1911
      `--o Cynodontia
         |?- †Thrinaxodontidae [jr. synon. to Galesauridae?]
         |-- †Procynosuchidae
         `--+?- †Dviniidae
            |-- †Galesauridae
            `--o Eucynodontia
               |--o †Cynognathia
               |  `-- †Cynognathidae
               `--o Probainognathia
                  |-- †Probainognathidae
                  `--o Mammaliamorpha Rowe, 1988
                     |--o †Tritylodontoidea [Gomphodontia]
                     |  |-- †Diademodontidae
                     |  `--+?- †Trirachodontidae
                     |     |-- †Traversodontidae
                     |     `-- †Tritylodontidae
                     `--o Chiniquodontoidea
                        |-- †Chiniquodontidae
                        |?- †Dromatheriidae Gill, 1872
                        |?- †"Therioherpetidae" Bonaparte & Barberena, 1975
                        |?- †Riograndidae Bonaparte, Ferigolo & Ribeiro, 2001
                        `--+-- †Tritheledontidae [Ictidosauridae]
                           `-- Mammaliaformes sensu Rowe, 1988

Reference(s):

Carroll, R. L., 1988: Vertebrate paleontology and evolution.
–W. H. Freeman and company, New York, 1988, 698

Carroll, R. L., 1988: Appendix. 594-648.
in Carroll, R. L. 1988: Vertebrate paleontology and evolution.
–W. H. Freeman and company, New York, 1988, 698

Luo, Z. 1994: Sister-group relationships of mammals and transformations of diagnostic mammalian characters. 98-128.
in Fraser, N. C. & Sues, H-D. (eds.) 1994: In the Shadow of the Dinosaurs.
–Cambridge University Press, New York, 1994, x-435

Luo, Z, & Wu, X-C., 1994: The small tetrapods of the Lower Lufeng Formation, Yunnan, China. 251-270
in Fraser, N. C. & Sues, H-D. (eds.) 1994: In the Shadow of the Dinosaurs.
–Cambridge University Press, New York, 1994, x-435

Rowe, T., 1988: Defenition, diagnosis, and origin of Mammalia.
–Journal of Vertebrate Paleontology: Vol. 8, #3, pp. 241-264