XL 3.9" Mosasaur Prognathodon Fossil Tooth Rooted Cretaceous Dinosaur Era COA Potaman SP Its teeth were perfectly adapted

Its teeth were perfectly adapted for grasping small

While some features

a special notch on either side of their upper jaw for the fourth tooth of the lower jaw

the ammonite shell played vital roles in protection and flotation

which helped the eyes endure the increased pressure of deep water

XL 3.9" Mosasaur Prognathodon Fossil Tooth Rooted Cretaceous Dinosaur Era COA Potaman SP Its teeth were perfectly adaptedLocation: Oued Zem, Morocco Weight: 4. 2 Ounces Dimensions: 3. 9 Inches Long, 1. 9 Inches Wide, 1. 4 Inches Thick Comes with a Certificate of Authenticity. The item pictured is the one you will receive. 100 66 million years ago, Upper Cretaceous, Maastrichtian Epoch. Name: Prognathodon (Forejaw tooth). Named By: Dollo 1889. Diet: Carnivore. Size: Depending upon the species, Prognathodon could range between 6 to possibly just under 14 meters in length.