• Mosasaur Tooth


    Mosasaurus & Mosasaurs


    Artists reconstruction of the mosasaur Prognathodon saturator.
    are very large extinct marine reptiles with some species reaching lengths of over 50 feet and are considered to be some of the fearsome predators to ever inhabit our oceans. They first emerged during the Cretaceous period 90 million years ago, and become the oceans dominant predators with the with the extinction of the ichthyosaurs and decline of plesiosaurs. Mosasaurs went extinct during the Cretaceous-Paleogene extinction event which killed all of the dinosaurs.