5.2" Brontothere Fossil Knee Bone Eocene Age Badlands S Dakota Titanothere COA Cissus Marginata Crystal Quartz

Crystal Quartz

and later hadrosaurids like Edmontosaurus

weighing between 200 and 350 kilograms

where sedimentary rock formations such as limestone and shale provided suitable substrates for attachment

5.2" Brontothere Fossil Knee Bone Eocene Age Badlands S Dakota Titanothere COA Cissus Marginata Crystal QuartzLocation: White River Badlands, South Dakota Weight: 1 Pound 8 Ounces Dimensions: 5. 2 Inches Long, 3. 2 Inches Wide, 2. 7 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. Brontotheres were giant mammals that roamed the region now known as Badlands National Park roughly 56 to 33. 9 million years ago. Scientifically referred to as Megacerops