Dimetrodon: Our Most Unlikely Ancestor | Eons
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PBS Learning Media
Dimetrodon: Our Most Unlikely Ancestor | Eons
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.