Synthetoceras Tricornatus Skull with Horns Replica – Synthetoceras tricornatus. No Mandible. Early Miocene to Late Pliocene. Polyurethane cast of an original University of California Berkeley fossil specimen. Restricted sale to Museums. Our precise skull can be used as a teaching tool, museum skull exhibit. The Synthetoceras Tricornatus Skull with Horns Replica is Size: 23.5 inches. Museum quality replicas are cast in durable Polyurethane resins. Made in USA.

Synthetoceras tricornatus is a large, extinct protoceratid, endemic to North America ( Nebraska ) during the Late Miocene, 10.3—5.3 Ma, existing for approximately 5 million years. Fossils have been recovered from Nebraska and Texas.

With a length of 2 m (6.6 ft) and a mass of 150–200 kg (330–440 lb), Synthetoceras was the largest member of its family.

It was also the last, and had what is considered to be the protoceratids’ strangest set of horns. The two horns above its eyes looked fairly normal and similar to those of many modern horned mammals, but on its snout it had a bizarre, long horn with a forked tip that gave it a Y shape. Only males had this strange horn, and they probably used it in territorial fights.

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Additional information

Weight 45 lbs
Dimensions 23.5 in
Synthetoceras Tricornatus Facts:

Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Artiodactyla
Family: †Protoceratidae
Genus: †Synthetoceras
Species: †S. tricornatus
Binomial name: †Synthetoceras tricornatus