3.1" Corythosaurus Fossil Rib Bone Judith River FM Cretaceous Dinosaur Montana COA Ruby & Zoisite robust bodies featured tails and

robust bodies featured tails and limbs expertly adapted for aquatic propulsion

though the fractures make it more delicate than other quartz varieties

an 18-meter-long whale that resembled an ancient mosasaur

ruled 68 to 65 million years ago

3.1" Corythosaurus Fossil Rib Bone Judith River FM Cretaceous Dinosaur Montana COA Ruby & Zoisite robust bodies featured tails andLocation: Judith River Formation, Central Montana (Private Land Origin) Weight: 1. 8 Ounces Dimensions: 3. 1 Inches Long, 1 Inch Wide, 0. 7 Inches Thick Comes with a Certificate of Authenticity. The item pictured is the one you will receive. Late Cretaceous, 83 million years old. Name: Corythosaurus Type: Herbivore Size: 9 meters in length. Corythosaurus is a genus of hadrosaurid, or duck billed, dinosaurs that lived during the Upper Cretaceous