Dimetrodon borealis fossil shows a close up of a tooth with serrations (tiny bumps along the edges of the teeth). Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news ...

Dimetrodon fossils have been found across North America in places like Canada and Texas, as well as Europe, which means that this reptile was able to thrive in different climates and environments.

The study involved digitizing the fossil skeletons of extinct synapsids, creating digital biomechanical models of the musculoskeletal system of the hindlimb, and using these models to compute the ...