These sharp

adapted to cutting and grinding tough vegetation

This would be consistent with its lifestyle as an ambush predator in a hostile ecosystem

Approximate measurements of the Eryops: Complete 1:35 Scale

Inostrancevia alexandri drepanosaurus These sharpInostrancevia alexandri, an extinct species of gorgonopsid therapsid that inhabited Earth during the Permian period, approximately 270 to 260 million years ago. It was a large predator that ranked high in the food chain of its ecosystem. This therapsid belonged to the group of gorgonopsids, a family of carnivores that were characterized by their developed fangs and their appearance similar to that of reptiles, although they were more closely related