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

Tyrannosaurus, Dinosaur Wiki

Scientists say they've found T. rex's early ancestor in northeast

New dinosaur: Species had teeth that were constantly replaced

Annotated by the Author: 'Tiny Tyrannosaur Hints at How T. Rex

New giant dragon dinosaur offers clues to T-rex's weirdly tiny arms

Carnivorous baby dinosaurs were born with teeth and 'ready to hunt

World's biggest T. rex discovered in Canada

Types of Dinosaurs: Dinosaur Families & Groups, Examples, Pictures

New species of tiny tyrannosaur foreshadows rise of T. rex

Florida State University researcher co-authors study on the force

World News, New dinosaur species discovered in Thailand

New study finds giant predatory dinosaurs could hunt underwater

Fossils show dismembered young dinosaurs in belly of T. rex cousin

26ft-Long Dinosaur Bigger Than T. Rex Ancestor With Blade-Like