Dominant Dinosaur That Lived Before T. rex Discovered - Field Museum

Radioactive dinosaur skull helped researchers make new discovery

Dinosaur - Tyrannosaurus rex - The Australian Museum, t rex

Scientists are concerned about the million dollar auction of this dinosaur skeleton

Cretaceous Period Facts and Information

Tyrannosaurus Rex: Scary. Smart. Social?

Newly discovered predatory dinosaur 'king of

New Giant Dinosaur Was the Apex Predator Before T-Rex

Were dinosaurs cold-blooded killers? Perhaps not - The Japan Times

Dominant Dinosaur That Lived Before T. rex Discovered - Field Museum

Giant dinosaur that rivalled T-rex discovered, Science and Technology News

Farmer discovers new Tyrannosaur species, one of the oldest of its kind ever found

Cretaceous Dinosaurs - Fossils and Paleontology (U.S. National Park Service)