Morales J., Soria D., Pickford M., Nieto M., 2003: A new genus and species of Bovidae (Artiodactyla, Mammalia) from the early Middle Miocene of Arrisdrift, Namibia, and the origins of the family Bovidae. Memoir of the Geological Survey of Namibia, 19: 371–384. [as Namacerus gariepensis]