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.

Tyrannosaurus Remains Hint at Two Possible Species Distinct from T. rex

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

Tyrannosaurus rex may have been three separate species, say scientists

T. rex grew beefier than museum fossils suggest

The 120-year search for the purpose of T. rex's arms

New research shows 'juvenile' T. rex fossils are a distinct species of small tyrannosaur

New Dinosaur Species Closest Relative to T. Rex Found

Splitting T. Rex Into 3 Species Becomes a Dinosaur Royal Rumble - The New York Times

13 Things Paleontologists Got Wrong About Tyrannosaurus Rex