Ennatosaurus tecton -Efremov, 1956- skeleton
Synapsida: Pelycosauria: Caseidae
Locality: Pinega River, Arkhangelsk Region, northern European Russia
Age: Late Permian, 260 million years ago
Meaning of name: "The ninth reptile"
Ennatosaurus tecton is represented by a skeleton of a juvenile individual.
This was a primitive, herbivorous reptile, in the family Caseidae.
Ennatosaurus tecton was not a therapsid. Actually, it was an herbivorous member
of the pelycosaurs, a more primitive group of mammal-like
reptiles out of which the therapsids evolved.