This dinosaur was first discovered near Denver, Colorado in 1887. Triceratops skeleton displayed at the Carnegie Museum of Natural History in Pittsburgh, Pennsylvania. It could grow to be over 2 m (7 ft) in length, and could reach almost a third of the length of the entire animal. Estimates put the weight of a Triceratops between 6.5 and 13 tons.

Our editors will review what you’ve submitted and determine whether to revise the article.The skull is known to have undergone dramatic changes in shape throughout the development of

Including their tail, these dinosaurs measured approximately 26 ft. in length.

Triceratops, large quadrupedal plant-eating dinosaur that had a frill of bone at the back of its skull and three prominent horns. In 1986, These findings were contested a few years later by Catherine Forster, who reanalyzed In 2009, John Scannella and Denver Fowler supported the separation of The skull also featured a pair of "brow" or supraorbital horns approximately 1 m (3.3 ft) long, with one above each eye.The lower jaws were elongated and met at their tips in a shared epidentary bone, the core of the toothless lower beak.

Fossils date to the final 3 million years of the Cretaceous Period (145.5 million to 65.5 million years ago), making it one of the last of the non-avian dinosaurs to have evolved.

Learn more about Triceratops below. The most distinctive feature is their large skull, among the largest of all land animals.

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In the dentary bone, the tooth battery curved to the outside to meet the battery of the upper jaw. Richard Cummins / Getty Images.

Since Triceratops' discovery in 1887, up to 16 species of the dinosaur have been proposed, but only two species T. horridus and T. prorsus are currently considered valid, according to a 2014 study in the journal Proceedings of the National Academy of Sciences (PNAS), which found that T. horridus likely evolved into T. prorsus over a span of 1 million to 2 million years. Interesting Facts About the Triceratops.

As babies, Triceratops hatch out of eggs about the size of a cantaloupe and have to grow into their horns.

It bore a single horn on the snout, above the nostrils, and a p… Triceratops were three-horned herbivorous dinosaurs that roamed during the late Cretaceous period (68-66 Mya). Your preference has been recorded Individual Triceratops are estimated to have reached about 7.9 to 9.0 m (26.0–29.5 ft) in length, 2.9 to 3.0 m (9.5–9.8 ft) in height, and 6.1–12.0 tonnes (13,000-26,000 lb) in weight. In the first attempt to understand the many species, Lull found two groups, although he did not say how he distinguished them: one composed of With time, the idea that the differing skulls might be representative of individual variation within one (or two) species gained popularity. Length: 30 ft 9m; Weight: 10 tons 10,000 kg; Stance: Quadruped; Diet: Low-growing plants like ferns and cycads; Age: Late Cretaceous, 68-66 million years ago; Triceratops is the largest of the horned dinosaurs.

The Triceratops is a quadrupedal herbivore that lived during the late Cretaceous periodor about 68 million years ago.

The Triceratops lived in North America.

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