Ceratosaur

Ceratosaurs were carnivorous bipedal dinosaur with an s-shaped neck, and had a short horn on its snout. Its tail, body, and bones were all bulky and strong. It had short arms with four-fingered hands. It had large eyes.

It was 15 to 20 feet long, and weighed roughly 0.5 to 1 ton.

Related References

 * Ceratosauria by Wikipedia

Ceratossauro