Tylosaurus aquatic reptile from the Cretaceous period

Tylosaurus, a sea going ancient relative to monitor lizards. A giant mosasaur that prowled the Western Interior Seaway that was a shallow sea dividing North America in half during much of the Cretaceous period. Tylosaurus proriger is estimated to have reached lengths of 46 feet

Flipper Ichthyology Lizards Maastrichtian Monitor Mosasaur Paleoichthyology Primordial Proriger Squamata Tylosaurus

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