17.8" Fossil Titanothere (Megacerops) Mandible - South Dakota

This is a 17.8" long partial mandible of the massive titanothere, Megacerops, a rhinoceros-looking animal that lived during the Late Eocene. It was collected from the Eocene-aged Chadron Formation of South Dakota. It comes from the left side of the lower jaw with a portion of the anterior-most mandible intact, and still contains three partial teeth.

There are multiple repaired cracks through the jaw, along with some chunks of bone missing within those cracks.

Comes with a metal display stand.

Artist's reconstruction of a Titanothere. By Nobu Tamura (http://spinops.blogspot.com)
Artist's reconstruction of a Titanothere. By Nobu Tamura (http://spinops.blogspot.com)


Titanotheres were a massive mammal that lived during the Eocene. While they closely resembled modern rhinoceroses, they were actually more closely related to modern horses. They first appeared in the Early Eocene, about 54 million years ago, and went extinct at the end of the Eocene, 34 million years ago. Titanotheres have been described under various genera (Brontotherium, Titanotherium, BrontopsMegacerops was the first and therefore technically correct one.
FOR SALE
$750
DETAILS
SPECIES
Megacerops sp.
LOCATION
Pennington County, South Dakota
FORMATION
Chadron Formation
SIZE
17.8" long, 8.3 tall
CATEGORY
SUB CATEGORY
ITEM
#299821
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