Steppesaurus

Steppesaurus
Temporal range: Late Permian, Wuchiapingian
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Clade: Synapsida
Family: Sphenacodontidae
Genus: Steppesaurus
Olson & Beerbower, 1953
Species:
S. gurleyi
Binomial name
Steppesaurus gurleyi
Olson & Beerbower, 1953
Outline of Steppesaurus maxilla with skull of Sphenacodon for comparison, showing that the latter had more teeth in a given stretch of upper jaw

Steppesaurus is an extinct genus of basal Eupelycosauria belonging to the Sphenacodontidae, related to Dimetrodon and Sphenacodon, from the Late Permian San Angelo Formation of Texas.