†family Riograndidae Bonaparte et al. 2001 (cynodont)

Osteichthyes - Therapsida - Riograndidae

Full reference: J. F. Bonaparte, J. Ferigolo, and A. M. Ribeiro. 2001. A primitive Late Triassic 'ictidosaur' from Rio Grande do Sul, Brazil. Palaeontology 44(4):623-635

Parent taxon: Cynodontia according to J. F. Bonaparte et al. 2001

See also Oliveira 2006

Sister taxa: Aelurosuchus, Charassognathidae, Chronoperatidae, Cromptodon, Cynognathidae, Cynognathoidea, Dromatherium, Dviniidae, Epicynodontia, Gaumia, Gomphodontidae, Hahnia, Hwanghocynodon, Kunminia, Madysauridae, Mammaliamorpha, Masitisitherium, Mitredon, Nythosaurus, Procynosuchidae, Therioherpetidae, Thrinaxodontidae

Subtaxa: none

Ecology:

Distribution: there are no occurrences of Riograndidae in the database

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