<em>Arvinachelys goldeni</em> Color-Coded Skull (VIDEO)
Caption
A CT scan of Arvinachelys goldeni's skull is shown. Most ancient turtle species' fossil remains consist of nothing more than an isolated skull or shell. The new specimen includes both the skull and the shell, thereby filling an important gap in understanding the evolution of turtles.
Credit
Joshua R. Lively
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License
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