Encyclopedia

Tyrannosaurus (/”tie-RAN-oh-SORE-us”/; “tyrant lizard”), often shortened to T. rex, is a genus of large theropod dinosaur. It is one of the most famous and well-studied dinosaurs. Tyrannosaurus roamed the western portion of North America during the Late Cretaceous period, roughly 68-66 million years ago, toward the end of the time of dinosaurs. Description and Classification […]