Phenacocoelus

Phenacocoelus is an extinct genus of Artiodactyl of the family Merycoidodontidae, endemic to North America. They lived during the Early Miocene 24.8—20.4 mya, existing for approximately 4 million years.^[1][2][3] Fossils have been uncovered in eastern Wyoming and western Nebraska.

Phenacocoelus Temporal range: Early Miocene
Phenacocoelus parvus teeth
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Order:	Artiodactyla
Family:	†Merycoidodontidae
Genus:	†Phenacocoelus Peterson 1907
Species
Phenacocoelus typus Peterson 1907