New research reveals that Tyrannosaurus rex took 40 years to reach its massive adult size, challenging previous beliefs about ...
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T rex may have taken 40 years to become a giant
A new analysis of tyrannosaur fossils suggests Tyrannosaurus rex may have continued growing until around age 40. The finding ...
T. rex took 40 years to reach full size, scientists find Hidden growth rings in fossil bones reveal that T. rex likely grew for 40 years, and some famous “T. rex” fossils may belong to entirely ...
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