Dimetrodon - Amir Hossein Bahjati
Amir Hossein Bahjati
Dimetrodon (meaning "two measures of teeth") is an extinct genus of synapsids that lived during the Early Permian, around 295–272 million years ago. his attacking a male eryops. eryops is a genus of extinct, amphibious temnospondyls lived in early Permian about 295 million years ago.