Full name:Diceratops hatcheri Diceratops (meaning "two-horned-face") was a large ceratopsian dinosaur from the late Cretaceous period, about 68-65 million years ago. This plant-eater had a toothless beak, cheek teeth in the rear of the mouth ,a bony head frill with openings in it and 2 horns above its eyes,stand almost vertically.Diceratops was up to 9 meters (30 feet) long. Only a single skull (with the lower jaw) was found in Wyoming, USA.