Which large reptile shared the Early Permian habitat and likely competed with or preyed upon *Eryops* juveniles?

Answer

Dimetrodon

The sail-backed reptile *Dimetrodon* occupied the same ecosystem and is mentioned as a competitor, likely preying upon juvenile *Eryops* or unwary adults.

Which large reptile shared the Early Permian habitat and likely competed with or preyed upon *Eryops* juveniles?
extinctionpaleontologyamphibianeryops