This supplied photo shows an image rendering of a mosasaur, a large marine reptile that lived between 80 million and 65 million years ago. (Copyright Satoshi Kawasaki ...
Not to be confused with the iconic theropod dinosaur Tyrannosaurus rex, Tylosaurus rex is a marine reptile that belongs to a large-bodied group known as mosasaurs. These aquatic predators belong to ...
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Giant mosasaur discovered in Mississippi
From the depths of a Mississippi riverbed, scientists unearthed a giant vertebra that may belong to the largest mosasaur ever discovered in the state. This predator, Mosasaurus hoffmanni, was the last ...
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