Scientists have discovered a nearly complete skull of a Hyaenodonta, a hypercarnivore that that lived during the Oligocene Epoch some 20 million years ago. Scientifically known as Bastetodon ...

These were large animals that usually weighed over 44kg ... This period is also called the “Age of Mammals”. During the Oligocene epoch about 33.9 to 23 million years ago, most mammals ...