Pterodon (mammal) - AbsoluteAstronomy.com

Pterodon is an extinct genus of superficially wolf-like creodonts that lived during the late Eocene

Eocene

The Eocene Epoch, lasting from about 56 to 34 million years ago , is a major division of the geologic timescale and the second epoch of the Paleogene Period in the Cenozoic Era. The Eocene spans the time from the end of the Palaeocene Epoch to the beginning of the Oligocene Epoch. The start of the...

, 30 million years ago.

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