Explore the power of the Cretaceous seas with this 9″ Mosasaur Prognathodon fossil jaw section, featuring well-preserved teeth. This authentic marine reptile fossil, dating back over 66 million years, offers striking detail and a strong visual impact—perfect for collectors, educators, or marine fossil enthusiasts. Originating from the late dinosaur era, it comes with a Certificate of Authenticity. A rare glimpse into prehistoric ocean predators, now available at Fossil Age Minerals, your trusted source for genuine fossils and ancient natural history specimens.