Brontotherium (Titanotherium ingen) Jaw Section - 13 inches

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This large jaw section Brontotherium, a large hoofed mammal related to horses and rhinos. Brontotherium roamed that scrubby woodlands of South Dakota and Nebraska in large herds during the Oligocene. They were huge mammals standing over 8 feet tall at the shoulders, larger than any present day rhino. 

Species: Titanotherium ingen

Age: 30 - 35 Million Years Old

Location: Chadron Formation, Pennington County, South Dakota.

Size: L - 13” W - 4.5” H - 2.1”

Weight: 4.28 lbs