(pronounced ZOO-nee-SAIR-ah-tops) Zuniceratops meaning Zuni horned face) was the earliest ceratopsian dinosaur that had brow horns (horns over the eyes). This frilled plant-eater also had a beak-like snout with a small horn; it was 10 to 12 feet (3-3.7 m) long and weighed roughly 400 pounds. It lived during the late Cretaceous period , about 90 mil...