ammonites
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