The ferocious predator dominated the ancient landscapes of the late Cretaceous period, around 68 to 66 million years ago.
Inside the brain of T. rex: the most fearsome of dinosaurs was smarter than you might think - YP
Dinosaurs: T. rex had more powerful jaws than its theropod ancestors
T Rex Dinosaur Facts, Pictures & Info: Meet The Real Tyrannosaurus Rex
How brains, not brawn, helped the Tyrannosaur become king - BBC Science Focus Magazine
Science Lab - Discover the Tyrannosaurus - Dino Safari Park
Debunking dinosaur myths and movie misconceptions
Inside the brain of T. rex: the most fearsome of dinosaurs was smarter than you might think - YP
Tufty hair, orange eyebrows and no roar: What tyrannosaurus rex was really like - NZ Herald
What a Tyrannosaurus Rex Skull Tells Us About Its Intelligence
SUE the T. rex - Field Museum
Look inside a dinosaur's skull with these pictures from the pop-up book Tyrannosaurus Rex - BBC Science Focus Magazine
Young Tyrannosauru Rex Had a Powerful Bite – Exerting Much More Force Than Previous Estimates
Tyrannosaurus, Jurassic Park Institute Wiki