Tyrannosaurus rex, Jurassic Park Wiki

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Tyrannosaurus (meaning "tyrant lizard") is an extinct genus of tyrannosaurid theropod dinosaur that lived in North America during the Late Cretaceous period around 73-66 million years ago. The genus includes two valid species; Tyrannosaurus rex and Tyrannosaurus mcraeensis. However, two additional species, Tyrannosaurus imperator and Tyrannosaurus regina, have been proposed, though their validity is heavily disputed among paleontologists. Tyrannosaurus rex is one of the contenders for the larges