T. rex delivered bone-crushing bites by keeping a stiff jaw
97 idee su Dinousauri dinosauri, preistoria, fossili
P9413 Dangerous Minds
T. rex dinos probably looked more like Barney than a fierce monster
Closest Known Relative Of T. Rex Discovered From 72 Million-Year
How the T. Rex Built Up That Bone-Crushing Bite - The New York Times
News Nature
T-rex - バイクウエア/装備
DINOSAURS!