Sometime between 5.5 and 5.6 million years ago, two shell crushers squared off in the languid currents of an ancient Florida river. The fossils they left behind, discovered by paleontologists at the ...
Identification of turtles -- Key to the turtles of the United States and Canada -- Chelydridae: snapping turtles -- Chelydra serpentina, snapping turtle -- Macroclemys temminckii, alligator snapping ...
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