19.5" Mosasaur Prognathodon Fossil Jaw Section Teeth Cretaceous Dinosaur Era COA Green River Plant These stones are typically pebble-shaped

These stones are typically pebble-shaped and are found primarily in the northwestern and northeastern regions of Michigan's Lower Peninsula

ended in a solid

and hydrothermal activity that promote copper oxidation

This rigid shell increased their likelihood of fossilization and is the primary reason trilobites are so commonly found in the fossil record

a tail section where the segments were fused into a single protective plate

19.5" Mosasaur Prognathodon Fossil Jaw Section Teeth Cretaceous Dinosaur Era COA Green River Plant These stones are typically pebble-shapedLocation: Oued Zem, Morocco Weight: 21 Pounds 3. 3 Ounces Dimensions: 22 Inches Long, 10 Inches Wide, 2. 4 Inches Thick (Matrix) Jaw Dimensions: 19. 5 Inches Long, 9 Inches Wide, 2 Inches Thick Comes with a Certificate of Authenticity. The item pictured is the one you will receive. 100 66 Million Years old, Upper Cretaceous, Maastrichtian Epoch. Some of the teeth have been placed back onto the jaw, and a small amount of composite material has been