†family Cynognathidae (cynodont)
Osteichthyes - Therapsida - Cynognathidae
Parent taxon: Cynodontia according to O. Kuhn 1946
See also Carroll 1988, Haughton and Brink 1954 and Kemp 1982
Sister taxa: Aelurosuchus, Charassognathidae, Chronoperatidae, Cromptodon, Cynognathoidea, Dromatherium, Dviniidae, Epicynodontia, Gaumia, Gomphodontidae, Hahnia, Hwanghocynodon, Kunminia, Madysauridae, Mammaliamorpha, Masitisitherium, Mitredon, Nythosaurus, Procynosuchidae, Riograndidae, Therioherpetidae, Thrinaxodontidae, Tritylodontidae
Subtaxa: none
Ecology:
Distribution: found only at Gordon Valley (Triassic of Antarctica)