Now, a new study of 17 tyrannosaur specimens, ranging from early juveniles to massive adults, has revealed that the king of ...
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Fossil analysis changes what paleontologists know about how long T rex took to grow full size
Tyrannosaurus rex lived longer and took more time to reach its maximum size than previously thought, according to a new study ...
For decades, scientists have been counting annual growth rings—similar to tree rings—inside fossilized leg bones of ...
A study of fossil bones shows Tyrannosaurus rex kept growing until around age 40, challenging long-held ideas about dinosaur ...
New research shows Tyrannosaurus rex took nearly 40 years to reach full size, 15 years longer than previously believed, ...
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