How Turtles Evolved A Shell
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Introduction to How Turtles Evolved A Shell

PBS Member Stations rely on viewers like you. To support your local station, go to ↓ More info below ... A fossil of the Eunotosaurus displays the earliest known stages of 530 million years ago in the Early Cambrian period, earth's creatures began dabbling in new methods of defense: Paleo Talks is hosted by ETSU Paleontologists Dr. Blaine Schubert, Chris Widga and David Moscato, with new guests and topics ...
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Last Updated: June 17, 2026
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