When did the Tyrannosaurus Rex Roam the Earth?

The dinosaurs lived during the Mesozoic Era, also know as the "Age of Reptiles."
The Mesozoic Era consisted of three time periods: Triassic, Jurassic, and Cretaceous.
During which time period did the Tyrannosaurus Rex live?
Use the resources below to help dig up the answer!
After you are done recording your data, please click here to continue your dinosaur discovery adventure!

EnchantedLearning.com
KidsDinos.com
DinoTimeline.com
Click here to start over!