Tyrannosaurus rex may have been three separate species, say scientists

Researchers have controversially argued there is enough variation in samples to point towards three species of Tyrannosaur, not one.

Should T. rex be 3 species? New study sparks fierce debate.

No evidence Tyrannosaurus rex is three separate species, says new study

Tyrannosaurus rex may have been three separate species, say scientists

Tyrannosaurus rex may have been three separate species, say scientists, rex

T. Rex might actually be three separate species: study

Sue the T. rex has taken over Denver Museum of Nature & Science, and it's a must-see

Tyrannosaurus rex may have been three separate species, say scientists

Beware Tyrannosaurus Rex Teenagers and Their Growth Spurts - The New York Times

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