Presbytherium
In Depth Presbytherium is a genus of pantodont mammal that lived in the Canadian province of Alberta during the Palaeocene period. Further Reading - New cyriacotheriid pantodonts (Mammalia, Pantodonta) from the Paleocene of Alberta, Canada, and the relationships of Cyriacotheriidae. - Journal of Paleontology 84(2):197-215. - Craig S. Scott - 2010.