4.6" Brontothere Fossil Knee Bone Eocene Age Badlands S Dakota Titanothere COA Vanadinite This created laminated limestone formations

This created laminated limestone formations that hold the world’s richest collection of fossil fish

creating a web of internal fractures

Dromaeosaurus was hard to classify

travertine fossils like this are exceptionally rare

Spinosaurus is one of the most extraordinary carnivorous dinosaurs known from the Cretaceous period

4.6" Brontothere Fossil Knee Bone Eocene Age Badlands S Dakota Titanothere COA Vanadinite This created laminated limestone formationsLocation: 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