Fossil Dog <i>Cynarctus wangi</i> (IMAGE)
Caption
A fossil found in Maryland was identified by a University of Pennsylvania doctoral student as belonging to a new species of ancient dog. The hyena-like canine, with massive jaws capable of crushing bone, would have lived approximately 12 million years ago, at a time when massive sharks like megalodon swam in the oceans.
Credit
Illustration of <i>Cynarctus</i> from "Dogs, Their Fossil Relatives and Evolutionary History." Reprinted and used with permission of the publisher and Mauricio Antón, author of the illustration and copyright owner [2008].
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