4.6" Brontothere Fossil Knee Bone Eocene Age Badlands S Dakota Titanothere COA brachiopod playing a crucial role in

playing a crucial role in shaping ancient marine ecosystems

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

achieving shell lengths exceeding four meters as it navigated the shallow epicontinental seas of ancient North America

1995) is a remarkable fish species known from highly detailed fossil specimens

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

4.6" Brontothere Fossil Knee Bone Eocene Age Badlands S Dakota Titanothere COA brachiopod playing a crucial role inLocation: 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