4.7" Oreodont Merycoidodon Fossil Skull Teeth Oligocene Age Badlands Nebraska COA Halisaurus Champsosaurus gigas represents a compelling

Champsosaurus gigas represents a compelling study in convergent evolution—a crocodile-like predator that belonged to the entirely separate Choristodera lineage of diapsid reptiles

representing the apex of Cretaceous turtle evolution

Though their shells look similar to those of modern Nautiloids

Weight: 6

4.7" Oreodont Merycoidodon Fossil Skull Teeth Oligocene Age Badlands Nebraska COA Halisaurus Champsosaurus gigas represents a compellingLocation: Brule Formation, Badlands, Nebraska Weight: 10. 4 Ounces Skull Dimensions: 4. 7 Inches Long, 2. 7 Inches Wide, 1. 7 Inches Thick Comes with a Certificate of Authenticity. The Item Pictured is The One You Will Receive. Lived in the Oligocene Age, 46 16 Million Years Ago Oreodont Merycoidodon was an extinct genus of herbivorous artiodactyl belonging to the family Merycoidodontidae, native to North America during the Middle Eocene to Middle