How many T. rexes were there? Billions.
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Over approximately 2.5 million years, North America likely hosted 2.5 billion Tyrannosaurus rexes, a minuscule proportion of which have been dug up and studied by paleontologists, according to a UC Berkeley study. (Image by Julius Csotonyi , courtesy
How many T. rexes were there? Billions.
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An estimated 2.5 billion Tyrannosaurus rexes lived and died on Earth •
Billions of T. rex likely roamed the Earth, paleontologists report
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