2.6" Centrosaurus Fossil Rib End Bone Judith River Cretaceous Dinosaur Montana COA Crocodile Turquoise was called “callais” by

Turquoise was called “callais” by Pliny the Elder and “chalchihuitl” by the Aztecs

Sentinel Butte Formation

The lighter colors signal a surge in nickel content

5 million years ago

making trilobites one of the most abundant and well-studied fossil groups in the world

2.6" Centrosaurus Fossil Rib End Bone Judith River Cretaceous Dinosaur Montana COA Crocodile Turquoise was called “callais” byLocation: Judith River Formation, Eastern Montana (Private Land Origin) Weight: 2 Ounces Dimensions: 2. 6 Inches Long, 2 Inches Wide, 1. 8 Inches Thick Comes with a Certificate of Authenticity. The item pictured is the one you will receive. This is a genuine fossil. Name: Centrosaurus Type: Herbivore Size: 6 meters long. Centrosaurus was a large, herbivorous, or plant eating dinosaur that inhabited North America during the late Cretaceous period,