Protoceratidae is an extinct family of herbivorous North American artiodactyls (even-toed ungulates) that lived during the Eocene through Pliocene. While...

Syndyoceras is a small extinct genus of Artiodactyla, of the family Protoceratidae, endemic to central North America from the Miocene epoch (24.8—20.6...

extinct species) Family †Oromerycidae Family †Xiphodontidae? Family †Protoceratidae? Clade Artiofabula Suborder Suina Family Suidae: pigs (19 species) Family...

Protoceras ('first horn') is an extinct genus of Artiodactyla, of the family Protoceratidae, endemic to North America. It lived from the Oligocene to the Early...

the Florida Museum of Natural History 46(1):1-28 Prothero D.R., 1998. Protoceratidae. pp. 431–438 in C.M. Janis, K.M. Scott, and L.L. Jacobs (eds.) Evolution...

Synthetoceratinae is an extinct subfamily of Protoceratidae, deer-like herbivorous mammals belonging to the order Artiodactyla. They were endemic to North...

Kyptoceras is a small extinct artiodactyl ungulate mammal of the family Protoceratidae, endemic to southeastern North America from the Miocene to Early Pliocene...

(paraphyletic) Family †Leptochoeridae Some studies have considered Protoceratidae closely related to Tylopoda, but others have considered them more closely...

Toromeryx is a medium-sized extinct genus of Artiodactyla, of the family Protoceratidae, endemic to southwestern North America from the Eocene epoch (Late Uintan...

Lambdoceras is an extinct genus of Protoceratidae belonging to the order Artiodactyla (subfamily Synthetoceratinae) endemic to North America during the...