T. rex fossil is actually a species new to science, study says

SUE the T. rex - Field Museum

Newly Discovered Dinosaur Reveals How T. rex Became King of the Cretaceous

Scientists propose Tyrannosaurus had three species, not just 'rex

Sue (dinosaur) - Wikipedia

Tyrannosaurus rex may actually be three separate species

New Study Shows How Tyrannosaurus rex Grew Up

Two and a half billion T. rex dinosaurs once lived, study finds

T. rex's big, bare teeth? They may be a myth, study says - The Washington Post

The Tyrannosaurus Rex was actually three different dinosaurs, study claims - Life

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

New Tyrannosaur Species Reveals How the King of the Dinosaurs Won Its Crown