1.9" Brontothere Fossil Toe Bone Eocene Age Badlands S Dakota Titanothere COA Hexagonaria they faced extinction in the

they faced extinction in the dramatic Cretaceous-Tertiary mass die-off

a key feature that sets the two genera apart

this Potamon Sp

Type: Extinct marine arthropodsTrilobites were among the earliest known arthropods

suggesting that Cassia or a related ancestor existed in the region during the Paleocene epoch

1.9" Brontothere Fossil Toe Bone Eocene Age Badlands S Dakota Titanothere COA Hexagonaria they faced extinction in theLocation: White River Badlands, South Dakota Weight: 3. 7 Ounces Dimensions: 1. 9 Inches Long, 1. 8 Inches Wide, 1. 3 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 ancient mammals that inhabited the region now known as Badlands National Park between approximately 56 and 33. 9 million years ago. In scientific literature,