| Creatures such as Dimetrodon and Edaphosaurus ruled the new continent. |
| The dentition of dimetrodon further substantiates the movement of the jaw in a simple up and down direction. |
| A characteristic pelycosaur was Dimetrodon, a large predator from the Permian of Texas. |
| This is the pattern seen in the dorsal fins of fishes, in Dimetrodon and among iguanid lizards. |
| A comparison of the general pattern of the adductor musculature of Captorhinus and dimetrodon reveals an expected similarity. |
| All too often books written for a popular audience include animals such as mammoths, mastodons, plesiosaurs, ichthyosaurs, and the sail-backed Dimetrodon. |
