Carnotaurus
Carnotaurus was a lightly built, bipedal predator,  in length and weighing . As a theropod, Carnotaurus was highly specialized and distinctive. It had thick horns above the eyes, a feature not seen in other carnivorous dinosaurs, and a very deep skull sitting on a muscular neck. Also, it had small, vestigial forelimbs, smaller even than those of Tyrannosaurus.