†unranked clade Rhachiocephalidae Maisch 2000
Osteichthyes - Anomodontia - Cryptodontidae
Full reference: M. W. Maisch. 2000. Observations on Karoo vertebrates. Part 1. The taxonomic status of Rhachiocephalus usiliensis (von Huene, 1942)(Therapsida, Dicynodontia) from the Upper Permian Kawinga Formation of Tanzania. Neues Jahrbuch für Geologie und Paläontologie - Monatshefte 1:15-28
Parent taxon: Cryptodontia according to C. F. Kammerer and K. D. Angielczyk 2009
See also Maisch 2000
Sister taxa: Daqingshanodon, Geikiidae, Keyseria, Oudenodontidae
Subtaxa: Dicynodon tealei Kitchinganomodon Rhachiocephalus
Distribution:
• Permian of South Africa (15 collections), Tanzania (4), Zambia (1)
Total: 20 collections including 25 occurrences