Tyrannosaurus rex lived longer and took more time to reach its maximum size than previously thought, according to a new study.
Scientists have long counted annual growth rings in fossilized Tyrannos… [+3808 chars]
It took 35 years for T. rex to become fully grown - CNN
Tyrannosaurus rex lived longer and took more time to reach its maximum size than previously thought, according to a new study.
By:Jack Guy
Source:CNN
Published:

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