Full reference: L. M. Van Valen. 1978. The beginning of the Age of Mammals. Evolutionary Theory 4:45-80
Type specimen: Its type locality is Wagonroad Lower Horizon, which is in a Puercan terrestrial horizon in the North Horn Formation of Utah
Ecology: ground dwelling herbivore
Total: 2 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.