1.1" Corythosaurus Fossil Rib Bone Judith River FM Cretaceous Dinosaur Montana COA Nigricans The evolutionary history of ammonites

The evolutionary history of ammonites showcases an extraordinary diversity and adaptability

fern-like sutures that challenge the eye and captivate fossil enthusiasts

including thermoregulation

Hypacrosaurus possessed a hollow crest characteristic of lambeosaurines

1.1" Corythosaurus Fossil Rib Bone Judith River FM Cretaceous Dinosaur Montana COA Nigricans The evolutionary history of ammonitesLocation: Judith River Formation, Central Montana (Private Land Origin) Weight: 0. 8 Ounces Dimensions: 1. 1 Inches Long,1 Inch Wide, 0. 6 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 Period,