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T rex took 40 years to become fully grown
An analysis of growth rings in the leg bones of 17 Tyrannosaurus rex individuals reveals that the dinosaurs matured much more ...
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How Big Was the Tyrannosaurus rex? They May Have Been Larger Than Fossil Evidence Suggests
Tyrannosaurus rex is undoubtedly one of the most famous dinosaurs. Whether it was the largest amongst the meat-eating theropods, however, is questionable and often part of intense debate. Based on the ...
There is no question that Tyrannosaurus rex got big. In fact, this fearsome dinosaur may have been Earth's most massive land ...
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