Tyrannosaurus was the largest tyrannosaurid theropod that
Two Tyrannosauruses.
was very famous in popular culture.The third largest theropod, the only theropods larger than it being Mapusaurus, Tyrannotitan, Giganotosaurus, Carcharodontosaurus and Spinosaurus. tyrannosaurus may have been 43-46 feet long and 20 feet tall. it had tiny arms only 2 feet and 2 fingers long tail for balance and huge legs for running.tyrannosaurus rex was often called t-rex it had one of the largest skulls of any meat-eating dinosaur the skull can grow to 5 feet. It most probably had at least some feathers.