User:PrehistoricManiac08/3From Wikipedia, the free encyclopedia 280MYA - 250MYA Dimetrodon 280MYA Edaphosaurus 280MYA Seymouria 280MYA Gorgonops 253MYA Diictodon 253MYA Scutosaurus 253MYA Rhinesuchus 253MYA A New Era
280MYA - 250MYA Dimetrodon 280MYA Edaphosaurus 280MYA Seymouria 280MYA Gorgonops 253MYA Diictodon 253MYA Scutosaurus 253MYA Rhinesuchus 253MYA A New Era