†unranked clade Geikiidae Nopcsa 1923
Reptilia - Anomodontia - Cryptodontidae
Full reference: B. F. Nopcsa. 1923. Die Familien der Reptilien [The families of reptiles]. Forschritte der Geologie und Palaeontologie. Verlag von Gebrüder Borntraeger, Berlin 2:1-210
Parent taxon: Cryptodontia according to C. F. Kammerer and K. D. Angielczyk 2009
See also Maisch and Gebauer 2005 and Nopcsa 1923
Sister taxa: Daqingshanodon, Keyseria, Oudenodontidae, Rhachiocephalidae
Subtaxa: Aulacocephalodontinae Bulbasaurus Geikiinae Idelesaurus Odontocyclops
Distribution:
• Severodvinian of the Russian Federation (1 collection)
• Permian of South Africa (34), Tanzania (1), the United Kingdom (1), Zambia (6)
Total: 43 collections including 46 occurrences