4.6" Brontothere Fossil Knee Bone Eocene Age Badlands S Dakota Titanothere COA brachiopod The central 230-square-mile area of

The central 230-square-mile area of the ancient lakebed is especially rich

Plesioteuthis prisca is an extinct genus of cephalopod that lived during the Jurassic period

these plants fell into swampy environments where low temperatures

2 feet) and weighed up to 6 metric tons (6

extinct mammal related to modern armadillos

4.6" Brontothere Fossil Knee Bone Eocene Age Badlands S Dakota Titanothere COA brachiopod The central 230-square-mile area ofLocation: White River Badlands, South Dakota Weight: 1 Pound 0. 8 Ounces Dimensions: 4. 6 Inches Long, 3. 6 Inches Wide, 2. 4 Inches Thick (Matrix) Eocene Age, 56 to 33. 9 million years Old. Comes with a Certificate of Authenticity. The item pictured is the one you will receive. Brontothere is an ancient mammal that roamed the area of Badlands National Park about 56 33. 9 million years ago. Badlands brontotheres are also known as Megacerops