The research on fossil remains of a new genus of tiny, hornless deer that lived in South Dakota about 32 million years ago, during the Oligocene Epoch, was published this week in the Proceedings of the South Dakota Academy of Science.

(Illustration by Benji Paysnoe) INTERIOR, South Dakota. — A team of researchers studying fossil remains found by an intern in South Dakota’s Badlands National Park have discovered a previously unknown type of tiny, hornless deer that lived in the area ...