Tyrannosaurus rex might be one species, not three, after all

New research refutes claims made earlier this year that King of the Dinosaurs, Tyrannosaurus rex was three distinct species.

Tyrannosaurus Rex May Have Been More Than One Species, Study Suggests - CNET

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Tyrannosaurus rex might be one species, not three, after all

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Scientists debunk bold theory of T. rex as 3 species