Merychyus

Merychyus is an extinct genus of oreodont of the family Merycoidodontidae, endemic to North America. It lived during the Miocene, 20.4—10.3 mya, existing for approximately . Fossils are widespread through the central and western United States.

Merychyus was a herbivore with a short face, tusk-like canine teeth, heavy body, long tail, short feet, and four-toed hooves. == Paleoecology == Fossils of Merychyus have been uncovered from Agate Fossil Beds National Monument. Merychyus was a common prey item for the beardog Daphoenodon, as over half of all herbivore remains uncovered from Daphoenodon burrows at Agate Fossil Beds belonged to Merychyus.