This image is of a Xenorophus sp. whale skull fossil on display at Mace Brown Museum of Natural History (August 2017). It dates to the Oligocene Epoch (about 32-30 million years ago) of the Paleogene Period. The fossil was found in Ashley Formation, Charleston County South Carolina USA.
The Mace Brown Museum of Natural History is located at the College of Charleston, 202 Calhoun Street, 2nd Floor, Charleston, South Carolina 29424.
Learn more at their blog: http://blogs.cofc.edu/macebrownmuseum/
