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Temporal range: Oligocene-Miocene
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Artiodactyla
Superfamily: Merycoidodontoidea
Family: Merycoidodontidae
Genus: Mediochoerus
Schultz and Falkenbach (1941)

see text

Mediochoerus is an extinct genus of oreodont of the family Merycoidodontidae, subfamily Merycoidodontinae, endemic to North America during the Early Miocene-Middle Miocene subepochs (20.6—13.6 mya), existing for approximately 7 million years.[1]


Mediochoerus was named by Schultz and Falkenbach (1941) and assigned to Merycoidodontidae by Schultz and Falkenbach (1941) and Lander (1998).[2][3]

Fossil distribution[edit]

Nebraska and California.


M. blicki (type species), M. johnsoni, M. mohavensis


  1. ^ PaleoBiology Database: Mediochoerus, basic info
  2. ^ B. Lander. 1998. Oreodontoidea. In C. M. Janis, K. M. Scott, and L. L. Jacobs (eds.), Evolution of Tertiary mammals of North America 402-425
  3. ^ C. B. Schultz and C. H. Falkenbach. 1947. Bulletin of the American Museum of Natural History 88