Dinosaur Coloring Pages: Tyrannosaurus rex, commonly known as T. rex, is one of the most iconic and well-known dinosaur species that ever roamed the Earth. This large theropod dinosaur lived approximately 68 to 66 million years ago during the Late Cretaceous period. With its distinctive characteristics, including its massive size, enormous head, sharp teeth, and short forelimbs, T. rex has captivated the imagination of both researchers and the general public alike. Reaching lengths of up to 40 feet and weighing up to 7 tons, this carnivorous predator possessed unparalleled strength and an incredible bite force. Its well-preserved skeletal fossils and extensive anatomical studies have shed light on its biology and behavior, contributing significantly to our understanding of the ancient world. The Tyrannosaurus rex remains an enduring symbol of the prehistoric era, showcasing the marvels of evolution and the grandeur of these magnificent creatures.