Throughout the history of life, convergent evolution has resulted in all sorts of creatures evolving to look very similar to one another. One of the most interesting examples is the case of the repeatedly evolving turtles the Placodonts, the Saurosphargids, the Glyptodonts, and even the Ankylosaurs.

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0:00 Introduction
1:03 Turtle Evolution
9:10 The Saurosphargids
15:30 The Placodonts
21:41 The Glyptodonts
23:59 The Ankylosaurs