Alternative combinations: Aceratherium platycephalum, Caenopus platycephalus
Full reference: H. F. Osborn and J. L. Wortman. 1894. Fossil mammals of the Lower Miocene White River beds. Collection of 1892. Bulletin of the American Museum of Natural History 6(7):199-228
Sister taxa: none
Subtaxa: Caenopus platycephalus nanolophus
Type specimen: Its type locality is Indian Stronghold (Protoceras Channel), which is in a Whitneyan fluvial sandstone in the Brule Formation of South Dakota
• Arikareean of United States (1: North Dakota collection)
• Oligocene of United States (2: South Dakota)
Total: 3 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.