Sphenacodontia

Sphenacodonts; Temporal range: Late Pennsylvanian-Recent, 304–0 Ma PreꞒ Ꞓ O S D C P T J K Pg N
	3D restoration of Dimetrodon grandis
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Clade:	Synapsida
Clade:	Sphenacomorpha
Clade:	Sphenacodontia; Romer & Price, 1940
Subgroups
	†Haptodus; †Hypselohaptodus; Pantherapsida Spindler, 2016 †Kenomagnathus; †Tetraceratops; †Palaeohatteriidae; Sphenacodontoidea †Shashajaia; †Sphenacodontidae; Therapsida; ; ;

Sphenacodontia is a suborder of the Pelycosaurs. Sphenacodonts include Sphenacodontoids, Varanopids and Ophiacodontids. Sphenacodontia's sister taxon is Caseasauria.

Classification[change | change source]

Sphenacodontia

↑ Spindler, F. 2016. Morphological description and taxonomic status of Palaeohatteria and Pantelosaurus (Synapsida: Sphenacodontia). Freiberger Forschungshefte C550(23): 1–57. https://www.researchgate.net/publication/321129043_Morphological_description_and_taxonomic_status_of_Palaeohatteria_and_Pantelosaurus_Synapsida_Sphenacodontia