8.3" Hyracodon (Running Rhino) Jaw Section - South Dakota
This is a beautiful, 8.3" long jaw section of Hyracodon nebraskensis. It was collected from the the Brule Formation in South Dakota and would be approximately 32-34 million years old. There are five teeth still embedded within the jaw. There are multiple repaired cracks throughout this jaw section, however there is no indication of any restoration.