T. rex and the World of the Tyrannosaurs Wiki

Carnotaurus (meaning Carnivorous Bull) is an extinct genus of large abelisaur that lived from 86-65 million years ago in Argentina. It was one of the fastest dinosaurs to ever live. It contains a single species, Carnotaurus Sastrei. It lived with animals such as Carcharodontosaurus, Giganotosaurus, and Tyrannotitan.