Synthetoceratini is an extinct tribe

Tribe (biology)

In biology, a tribe is a taxonomic rank between family and genus. It is sometimes subdivided into subtribes.Some examples include the tribes: Canini, Acalypheae, Hominini, Bombini, and Antidesmeae.-See also:* Biological classification* Rank...

 of the subfamily Synthetoceratinae

Synthetoceratinae

Synthetoceratinae is a subfamily of Protoceratidae herbivorous mammals belonging to the order Artiodactyla endemic to North America during the Miocene epoch, living 23.03—3.9 Ma, existing for approximately .-Taxonomy:...

 within the family Protoceratidae

Protoceratidae

Protoceratidae is an extinct family of herbivorous North American artiodactyls that lived during the Eocene through Pliocene at around 46.2—4.9 Ma., existing for approximately .-Taxonomy:...

 belonging to the order Artiodactyla endemic to North America

North America

North America is a continent wholly within the Northern Hemisphere and almost wholly within the Western Hemisphere. It is also considered a northern subcontinent of the Americas...

 during the Miocene

Miocene

The Miocene is a geological epoch of the Neogene Period and extends from about . The Miocene was named by Sir Charles Lyell. Its name comes from the Greek words and and means "less recent" because it has 18% fewer modern sea invertebrates than the Pliocene. The Miocene follows the Oligocene...

, living epoch 20.6—4.9 Ma, existing for approximately .

Taxonomy

Synthetoceratini was named by Webb (1981). Its type is Synthetoceras

Synthetoceras

Synthetoceras is a large extinct genus of Artiodactyla, of the family Protoceratidae, endemic to North America from the Miocene epoch, 13.6—5.33 Ma, existing for approximately .-Taxonomy:...

. It was assigned to Synthetoceratinae

Synthetoceratinae

Synthetoceratinae is a subfamily of Protoceratidae herbivorous mammals belonging to the order Artiodactyla endemic to North America during the Miocene epoch, living 23.03—3.9 Ma, existing for approximately .-Taxonomy:...

by Webb (1981), Prothero (1998), Webb et al. (2003) and Prothero and Ludtke (2007).