Synthetoceras tricornatus is a large, extinct protoceratid, endemic to North America during the Late Miocene, 10.3—5.3 Ma, existing for approximately 5 million years. Fossils have been recovered from Nebraska and Texas.[1]
Synthetoceras
Cenozoic Creatures
for Cenozoic Creatures in Cocoricó and the Prehistoric Park Adventure
Suggested by manassestobias
Julio and the Herd Discovers in Extinct Creatures on safety on the Present
