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.

New controversial study says the T. rex was actually three species

How to Outrun a Dinosaur

Tyrannosaurus rex/Film, Jurassic Park Wiki

Tyrannosaurus Skeletal Remains Reveal T. rex May Have Been 3 Distinct Species

T. Rex might actually be three separate species: study

T. rex may have had 2 equally terrifying sibling species, new research suggests - Boston News, Weather, Sports

Controversial paper suggests there are three Tyrannosaurus species

Dickinson paleontologist addresses new T-Rex study - The Dickinson Press

New controversial study says the T. rex was actually three species

An Expert Explains How the Tyrannosaurus Rex Stacks Up to Other Massive Marvel Monsters

Sensitive T. rex? This new dino might change the face of tyrannosaurs, evolution

How did T. rex get such keen, predatory senses? New tyrannosaur offers hints.

Scientists propose Tyrannosaurus had three species, not just 'rex