Eons
Dimetrodon: Our Most Unlikely Ancestor
TV-Y7
S1 • E9 Aug 21, 2017 10mWith 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.
