4.6" Brontothere Fossil Knee Bone Eocene Age Badlands S Dakota Titanothere COA brachiopod yet still strong enough to

yet still strong enough to support four-legged movement

extinct mammal related to modern armadillos

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

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 yet still strong enough toLocation: 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