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Ceratopsia

Ceratopsia (subclass Archosauria, order Ornithischia) A suborder of horned dinosaurs which had beak-like jaws, from the Upper Cretaceous. The head accounted for about one-third of the total length of the body because of the development of a large, bony frill which protected the neck and shoulders. Triceratops is perhaps the best-known member of the group. It was 5–6 m long and had three forward-projecting horns, one over each eye, and the third over the nose.

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"Ceratopsia." A Dictionary of Zoology. . Encyclopedia.com. 22 Jun. 2017 <http://www.encyclopedia.com>.

"Ceratopsia." A Dictionary of Zoology. . Encyclopedia.com. (June 22, 2017). http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/ceratopsia-0

"Ceratopsia." A Dictionary of Zoology. . Retrieved June 22, 2017 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/ceratopsia-0

Ceratopsia

Ceratopsia Horned, ornithischian (bird-hipped) dinosaurs, which had beak-like jaws, from the Upper Cretaceous. The head accounted for about one-third of the total length of the body because of the development of a large, bony frill which protected the neck and shoulders. Triceratops is perhaps the best-known member of the group. It was 5–6 m long and had three forward-projecting horns, one over each eye and the third over the nose.

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Pick a style below, and copy the text for your bibliography.

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"Ceratopsia." A Dictionary of Earth Sciences. . Encyclopedia.com. 22 Jun. 2017 <http://www.encyclopedia.com>.

"Ceratopsia." A Dictionary of Earth Sciences. . Encyclopedia.com. (June 22, 2017). http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/ceratopsia

"Ceratopsia." A Dictionary of Earth Sciences. . Retrieved June 22, 2017 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/ceratopsia