Sphenacodontoidea
| Sphenacodontoids Temporal range: Late Carboniferous-Recent, | |
|---|---|
 | |
| Fossilized skull of two sphenacodontoids : Clelandina (Therapsida, Gorgonopsidae) and a Dimetrodon (Sphenacodontidae). | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Clade: | Synapsida |
| Clade: | Sphenacomorpha |
| Clade: | Sphenacodontia |
| Clade: | Pantherapsida |
| Clade: | Sphenacodontoidea |
| Clades | |
Sphenacodontoidea is Superfamily of the Pelycosaurs. Which Includes Sphenacodontids and Edaphosaurids.
