Triceratops Frill Fossil | Cretaceous | Hell Creek Formation, Montana

Triceratops horridus Cretaceous (68 - 66 million years ago) Private Ranch, Hell Creek Formation, Montana Specimen size: approximately 14.75" long, 12" across, 0.5" thick Triceratops is an extinct genus of herbivorous ceratopsid dinosaur, bearing a large bony frill and three horns on its large four-legged body. Triceratops lived during the Late Cretaceous Period, around 68 to 66.038 million years ago (mya) in what is now North America. Triceratops was one of the last dinosaur genera to appear before the great Cretaceous and Tertiary extinction event. Individual Triceratops are estimated to have reached about 25.9–29.5 feet in length, 9.5–9.8 feet in height, 13,000-26,000 in weight. The most distinctive feature is their large skull, among the largest of all land animals. It could grow to be over 7 feet in length, and could reach almost a third of the length of the entire animal. It bore a single horn on the snout, above the nostrils, and a pair of horns approximately 3 feet long, with on