Cotylorhynchus

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Cotylorhynchus
Fossil range: Early Permian (Late Artinskian)

Restortation of Cotylorhynchus

Scientific classification

Kingdom:	Animalia
Phylum:	Chordata
Subphylum:	Vertebrata
Class:	Synapsida
Order:	Pelycosauria
Suborder:	Caseasauria
Family:	Caseidae
Genus:	Cotylorhynchus

Species

C. hancocki
C. romeri

Cotylorhynchus was a large caseid pelycosaur that lived in the Permian period. Cotylorhynchus is the largest known caseid (~pelycosaur) and the largest tetrapod of its time (C. hancooki being the largest). It was so large, in fact, that it had nothing to fear from carnivores. Cotylorhynchus had a length of 6 metres (~20 feet) and weighed around 2 tons. Like all other caseids, Cotylorhynchus was a herbivore.