Proganochelys quenstedi

fossil turtle

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In turtle: Origin and evolution
A slightly younger fossil species, Proganochelys quenstedi, also had teeth, but the teeth were located on the roof of the mouth, not on the upper or lower jaw. In contrast to Odontochelys, the shell of Proganochelys possessed most of the features of modern turtles, and it completely encased the shoulder…
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