Trigenicus is an extinct genus of small artiodactyl in the family Protoceratidae, endemic to North America. It lived from the Late Eocene 37.2—33.9 Ma, existing for approximately . Trigenicus resembled deer, but were more closely related to camelids.

Fossil distribution

Fossils have been recovered from:

• Toadstool Park, Chadron Formation, Sioux County, Nebraska

• Peanut Peak, Chadron Formation, Oglala Lakota County, South Dakota

• Little Spring Gulch, Cook Ranch Formation, Beaverhead County, Montana

• Carnagh, Cypress Hills Formation, Saskatchewan

References