The growth of Tyrannosaurus rex
Summary:
Tyrannosaurus rex is the most iconic dinosaur of all time. It was discovered in the Hell Creek Formation by Barnum Brown in 1902, and later described by Henry Fairfield Osborn in 1905. Osborn actually named two large Hell Creek tyrannosaurids, T. rex and Dynamosaurus imperiosus. He later realized that Dynamosaurus imperiosus and Tyrannosaurus rex were synonymous, but […]
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