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The Traits That Spawned the Age of Mammals

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Channel: PBS Eons
Categories: Archeology / Paleontology   |   Biology   |   Science  
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Lots of the traits we think of as defining us as mammals show up pretty early, during the time of the dinosaurs. And, in some cases, they show up a lot earlier and in things that werent mammals at all.

Big thanks to Julio Lacerda ( for the excellent Morganucodon and Microdocodon illustrations!

Produced by Complexly for PBS Digital Studios

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