Pentaceratops meaning "5 horned face" was a herbivore dinosaur form the Cretaceous Period. Pentaceratops grew to about 6 meters in length and weighed 5 tonnes. The American Museum of Natural History has a compete skeleton that was found in North America. The distinctive features are the short nose horn, two long brow horns and long horns on the jugal bones. Its skull had a very long frill and triangular hornlets on the edge.