Dimetrodon: Our Most Unlikely Ancestor
Season 1 Episode 9 | 5m 21s | Video has closed captioning.
With its lizard-like appearance and that distinctive sail on it back, Dimetrodon is practically the mascot of the Palaeozoic Era, a time before flowers, birds, mammals, and even crocodiles. But if you take a close look at this sail-backed animal, you might see a little bit of yourself.
Problems Playing Video? | Closed Captioning