Edaphosaurus by Robert Bakker
A medium sized, herbivorous Pelycosaur from the early Permian
Description[]
Edaphosaurus varied in size according to species, the largest at 3.5 metres. It was a herbivore, and had a battery of crushing teeth. It had a large, non-symetrical sail for display or temperature regulation, as it was likely cold-blooded
Popular culture[]
Edaphosaurus as it appeared in walking with dinosaurs
Edaphosaurus appeared in walking with monsters as a prey item for Dimetrodon