†Merycochoerus magnus Loomis 1924 (oreodont)
Mammalia - Artiodactyla - Merycoidodontidae
Full reference: F. B. Loomis. 1924. Bulletin of the American Museum of Natural History 51(1)
Belongs to Merycochoerus according to J. B. Vanderhill 1980
Sister taxa: Merycochoerus carrikeri, Merycochoerus chelydra, Merycochoerus matthewi, Merycochoerus pinensis, Merycochoerus proprius, Merycochoerus vantasselensis, Promerycochoerus superbus
Type specimen: Its type locality is Agate (7 Miles NE), which is in a Harrisonian terrestrial horizon in the Upper Harrison Beds Formation of Nebraska
Ecology: ground dwelling herbivore
Average measurements (in mm): m1 23.0 x 16.0