Synthetoceras

Synthetoceras
Temporal range: Late Miocene (Hemphillian)
Skull of S. tricornatus
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Artiodactyla
Family: Protoceratidae
Genus: Synthetoceras
Stirton, 1932
Type species
Synthetoceras tricornatus
Stirton, 1932
Species
  • S. tricornatus Stirton, 1932
  • S. davisorum Hulbert & Whitmore 2006

Synthetoceras is an extinct genus of large protoceratid that was endemic to North America during the Late Miocene (12.5-4.7 million years ago), existing for approximately 7.8 million years. Fossils have been recovered from Nebraska and Texas. Two species have been described: S. tricornatus (the type species) and S. davisorum.