†Cryptodontia

After Modesto, Rubidge & Welman, 2002, Maisch & Gebauer, 2005, Kammerer & Angielczyk, 2009, and Botha-Brink & Angielczyk, 2010

<==o †Cryptodontia Owen, 1860 sensu Kammerer & Angielczyk, 2009
   |--o †Rhachiocephalidae Maisch, 2000 sensu Kammerer & Angielczyk, 2009 [Pelorocyclopinae Keyser, 1975; Pelorocyclopinae Cluver & King, 1983; Pelorocyclopini King, 1988; Oudenodontidae: Pelorocyclopinae Angielczyk, 2002]
   |  |-- †Kitchinganomodon crassus (Broom, 1948) Maisch, 2002 [Platycyclops crassus Broom, 1948]
   |  `--o †Rhachiocephalus Seeley, 1898 [Eocyclops Broom, 1913; Kitchingia Broom & George, 1950; Megacyclops Broom, 1931; Neomegacyclops; Pelorocyclops van Hoepen, 1934; Platycyclops Broom, 1932]
   |     |-- †R. magnus (Owen, 1876) Seeley, 1898
   |     |-- †R. longus [Eocyclops]
   |     `-- †R. behemoth
   `--+--o †Oudenodontidae Cope, 1871
      |  |--+-- †Tropidostoma microtrema Seeley, 1889 [Tropidostominae [sic] Cluver & King, 1983; Tropidostomini [sic] King, 1988]]
      |  |  `--o †Australobarbarus Kurkin, 2000
      |  |     |-- †A. platycephalus
      |  |     `-- †A. kotelnitschi
      |  `--o †Oudenodon Owen, 1860 [Oudenodontinae van Hoepen, 1934; Oudenodontinae [sic] Cluver & King, 1983; Oudenodontini King, 1988]
      |     |-- †O. bainii Owen, 1860
      |     |-- †O. grayi
      |     |-- †O. lutriceps
      |     |-- †O. planus
      |     |-- †O. plateceps [=? Cteniosaurus platyceps Broom; “Dicynodon” plateceps]
      |     |-- †O. sakamenensis
      |     `-- †O. luangwanensis
      `--o †Geikiidae Nopcsa, 1923 (v. Huene, 1942) sensu Maisch & Gebauer, 2005 [Geikiniae Nopcsa, 1923; Geikiidae von Huene, 1956; Geikiidae Maisch & Gebauer, 2005; Aulacephalodontinae Toerien, 1953; Aulacephalodontinae Lehman in Piveteau, 1961; Aulacephalodontinae Cluver & King, 1983]
         |--o †Odontocyclops Keyser & Cruickshank, 1979 [taxonomic history]
         |  |-- †O. dubius (Boonstra, 1938) Keyser & Cruickshank, 1979 [taxonomic history]
         |  `-- †O. whaitsi (Broom, 1913) Angielczyk, 2002 [taxonomic history]
         `--+-- †Idelesaurus tataricus Kurkin, 2006 [Idelisaurus (lapsus calami?)]
            `--o †Geikiinae Nopcsa, 1923 sensu Kammerer & Angielczyk, 2009 [Geikiidae Nopcsa, 1923 sensu Maisch & Gebauer, 2005; Aulacephalodontidae Cluver & King, 1983 sensu Fröbisch, 2007]
               |--o †Aulacephalodon Seeley, 1898 [Aulacocephalodon (lapsus calami)]
               |  |-- †A.? sp.
               |  |-- †A. baini (Owen, 1845) Seeley, 1898
               |  `-- †A. laticeps
               `--+--o †Geikia Newton, 1893 sensu Maisch & Gebauer, 2005
                  |  |?- †G. mirabilis
                  |  |-- †G. elginensis Newton, 1893
                  |  `-- †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

Reference(s):

Angielczyk, K. D., 2002: Redescription, phylogenetic position, and stratigraphic significance of the dicynodont genus Odontocyclops (Synapsida: Anomodontia).
–Journal of Paleontology: Vol. 76, #6, pp. 1047-1059
Battail, B. & Surkov, M. V., 2000: Mammal-like reptiles from Russia. 86-119
in Benton, M. J., Shishkin, M. A., Unvin, D. M. & Kurochkin, E. N., (eds.) 2000: The Age of Dinosaurs in Russia and Mongolia.
–Cambridge University Press, Cambridge, 2000, xxxix-696
Botha-Brink, J. & Angielczyk, K. D., 2010: Do extraordinarily high growth rates in Permo-Triassic dicynodonts (Therapsida, Anomodontia) explain their success before and after the end-Permian extinction?
–Zoological Journal of the Linnean Society: in Press, pp. 1-25 [doi: 10.1111/j.1096-3642.2009.00601.x]
Chinsamy, A. & Rubidge, B. S. 1993: Dicynodont (Therapsida) bone histology: Phylogenetic and physiological implications.
–Paleontologica Africana: Vol. 30, pp. 97-102, 1993.
Cox, C. B., 1998: The jaw function and adaptive radiation of the dicynodont mammal-like reptiles of the Karoo basin of South Africa.
–Zoological Journal of the Linnean Society: Vol 122, #1-2, pp. 349-384
Ford, T. L., 2006: Taxonomic lists.
–iNet: Paleofile.com: http://www.paleofile.com/Demo/ [visited: 2006-03-03]
Kammerer, C. F. & Angielczyk, K. D., 2009: A proposed higher taxonomy of anomodont therapsids.
–Zootaxa: #2018, pp. 1-24
Maisch, M. W. & Gebauer, E. V. I., 2005: Reappraisal of Geikia locusticeps (Therapsida: Dicynodontia) from the Upper Permian of Tanzania.
–Palaeontology: Vol. 48, #2, pp. 309-324

Mikko's Phylogeny Archive

†Cryptodontia – Cryptodont dicynodonts

After Modesto, Rubidge & Welman, 2002, Maisch & Gebauer, 2005, Kammerer & Angielczyk, 2009, and Botha-Brink & Angielczyk, 2010

Reference(s):