Researchers Identify Dinosaur Species 5 Times Larger Than Tyrannosaurus

University of Calgary scientists discovered an apex predator species larger than the Tyrannosaurus that roamed the earth 90 million years ago

New Dinosaur Species Closest Relative to T. Rex Found

Paleontologist's New Theory for Why T. rex Had Such Ridiculously Short Arms

Big dino, little dino: how T. rex's relatives changed their size

Dinosaur - Tyrannosaurus rex - The Australian Museum

Researchers Identify Dinosaur Species 5 Times Larger Than Tyrannosaurus, dino t rex

Research Resurrects Dinosaur Debate Over 'Baby T. Rex' That Roamed Wyoming

World News, New dinosaur species discovered in Thailand

Fossil found in New Mexico is an older, more primitive relative of T. rex

The world's largest T. rex, held in Regina, may have relatives 70 per cent bigger

Researchers learn more about teen-age T.Rex

Tyrannosaurus, Dinosaur Wiki

Paleontologists Stunning Conclusion: 2.5 Billion T. Rexes Roamed North America Over the Cretaceous Period