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.
