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Study: 2 5 billion T rex roamed Earth, but not all at once | 104 9 The Fox – Jonesboro, AR
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Study: 2 5 billion T rex roamed Earth, but not all at once
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Credit: Julius Csotonyi, courtesy of Science magazine
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.
How many Tyrannosaurus rexes roamed North America during the Cretaceous period?
That’s a question Charles Marshall pestered his paleontologist colleagues with for years until he finally teamed up with his students to find an answer.
What the team found, to be published this week in the journal Science, is that about 20,000 adult T. rexes probably lived at any one time, give or take a factor of 10, which is in the ballpark of what most of his colleagues guessed.
Here s how many T rex once roamed Earth, according to a team of researchers The answer is staggering
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Researchers now have an estimate for just how many T rex once roamed Earth
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