Dicynodontoidea

Dicynodontoidea is an infraorder of dicynodonttherapsids that includes the famous dicynodont Dicynodon, Lystrosaurus and the TriassicKannemeyeriiformes, as well as numerous other closely related species. The name was coined by American paleontologistEverett C. Olson in 1944 as an infraorder, despite using the typical "-oidea" suffix of superfamilies, and was later redefined under a phylogenetic context in 2009 by paleontologist Christian F. Kammerer.[1][2]

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