Ctenorhachis

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Ctenorhachis
Fossil range: Early Permian
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Synapsida
Order: Pelycosauria
Family: Sphenacodontidae
Genus: Ctenorhachis
Hook & Hotton, 1991

Binomial name
Ctenorhachis jacksoni
Hook & Hotton, 1991

Ctenorhachis is an extinct genus of the family Sphenacodontidae. It was related to Dimetrodon, but Ctenorhachis did not belong to the same subfamily as Dimetrodon and Sphenacodon. Ctenorhachis lived in the Early Permian epoch.