Inside the brain of T. rex: the most fearsome of dinosaurs was

The ferocious predator dominated the ancient landscapes of the late Cretaceous period, around 68 to 66 million years ago.

Why didn't T-Rex evolve to have a large brain? - Quora

Tyrannosaurus rex, Prehistoric Planet Wiki

T rex's keyhole eye sockets helped its bite, research suggests, Dinosaurs

Dinosaur Predation in the Fossil Record - Digital Atlas of Ancient Life

Scientists say T-rex had complex sensing nerves in its jaw

Inside the brain of T. rex: the most fearsome of dinosaurs was smarter than you might think - YP

Tyrannosaurus Rex: Scary. Smart. Social?

Science Lab - Discover the Tyrannosaurus - Dino Safari Park

Another slice of triceratops, Barbara?' Did the fearsome T rexes take care of their sick?, Dinosaurs

Phylogenetic bracketing suggests some dinosaurs' neuron density was equal to that of modern primates