MediochoerusMediochoerus is an extinct genus of oreodont of the family Merycoidodontidae, subfamily Merycoidodontinae, endemic to North America during the Early Miocene-Middle Miocene subepochs, existing for approximately.TaxonomyMediochoerus was named by Schultz and Falkenbach and assigned to Merycoidodontidae by Schultz and Falkenbach and Lander.Fossil distributionNebraska and California.SpeciesM. blicki, ''M. johnsoni, M. mohavensis''