Tyrannosaurus rex Is Not One Species, But Three Different Ones

An analysis of over three dozen specimens of Tyrannosaurus rex finds that they exhibit such a remarkable degree of proportional variations that the pattern favors multiple species at least partly separated by time.

Giganotosaurus vs. T. Rex: a big dinosaur battle

Controversial paper suggests there are three Tyrannosaurus species

Tyrannosaurus, Prehistoric Wiki

Scientists Find Tyrannosaurus Had Two More Species Other Than 'Rex' – The Wire Science

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

New Dinosaur Discovery in Patagonia, Nature and Wildlife

CollectA Prehistoric Life Tyrannosaurus Rex Deluxe 1:40 Scale Dinosaur Figure - Paleontologist Approved Model : Toys & Games

Steve Brusatte, paleontologist: 'The most terrifying thing about the tyrannosaurus was not its jaws but its intelligence', Culture

Tyrannosaurus

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

Scientists propose Tyrannosaurus had three species, not just 'rex

T.Rex might actually have been THREE species, fossil analysis reveals

The T. Rex Still Rules Over the Rest - The Ringer

Absolutely everything you want to know about dinosaurs - BBC Science Focus Magazine