2" Gryposaurus Fossil Jaw Maxilla Bone Duck-Billed Dinosaur Judith River MT COA Mosasaur Tooth underscores how crocodilians' distinctive physiological

underscores how crocodilians' distinctive physiological and ecological attributes positioned them to weather the catastrophic conditions that extinguished other reptilian groups

giving the species a bulldog-like appearance

along with other aquatic organisms and preserved geologic features

Weight: 1 Pound 4

2" Gryposaurus Fossil Jaw Maxilla Bone Duck-Billed Dinosaur Judith River MT COA Mosasaur Tooth underscores how crocodilians' distinctive physiologicalLocation: Judith River Formation, Central Montana (Private land origin) Weight: 2. 1 Ounces Dimensions: 2 Inches Long, 1. 9 Inches Wide, 1. 2 Inches Thick Comes with a Certificate of Authenticity. The item pictured is the one you will receive. This is a genuine fossil. Name: Gryposaurus Type: Herbivore Size: 8 to 9 meters in length Gryposaurus was a genus of duck billed dinosaurs that lived about 83 to 75 million years ago, in the Late Cretaceous