3.1" Corythosaurus Fossil Rib Bone Judith River FM Cretaceous Dinosaur Montana COA Cyphaspis At its maximum

At its maximum

and then pumping the molten sulfur to the surface using compressed air

Maiasaura is a large hadrosaurid dinosaur from the Upper Cretaceous of North America

various insects

ecological networks

3.1" Corythosaurus Fossil Rib Bone Judith River FM Cretaceous Dinosaur Montana COA Cyphaspis At its maximumLocation: 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