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T rex of the ocean? Massive marine predator discovered was a true terror of its time

Paleontologists have long hailed Tyrannosaurus rex as king of the dinosaurs. Now, the name "T. rex" also belongs to a newly ...
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Tylosaurus rex: Scientists name formidable extinct 43-foot ocean predator from Ice Age

A new species of mosasaur — one of the largest marine reptiles ever documented ...