Tyrannosaurus rex

Tyrannosaurus rex was first discovered by Barnum Brown back in 1902. He was the top predator in the Cretaceous Period, and was one of the last dinosaurs at the end of the Cretaceous Period. Even though Tyrannosaurus rex wasn't the biggest meat eating dinosaur, it was sill the king of the dinosaurs. It's also the most popular dinosaur in the world. No one knows how Tyrannosaurus used his tiny arms for, so it is sill a mystery. Tyrannosaurus may have hunted plant eating dinosaur like, the Triceratops.

Being a popular dinosaur, Tyrannosaurus Rex has appeared in many movies and shows, like Jurassic Park, Walking with Dinosaurs, and Jurassic Fight Club. The most complete Tyrannosaurus rex that was ever discovered was in South Dakota, and they even named it Sue.