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

Early tyrannosaurs would have feared this predator

Tyrannosaur, Size, Species, & Facts

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

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

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

Before SUE the T. rex, there was 'Gorgeous George' - Field Museum

Radioactive dinosaur skull helped researchers make new discovery

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

Dinosaur family tree is to be radically redrawn