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ceratopsian
Introduction References & Edit History Quick Facts & Related Topics
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Yinlong downsi Illustration of Psittacosaurus, a small Early Cretaceous herbivorous dinosaur with a short head, parrotlike beak, and prominent cheek horns, shown with a scale bar for size reference. Illustration of Protoceratops, a late Cretaceous dinosaur from Asia, showing a stocky, four-legged herbivore with a parrotlike beak and a large bony frill at the back of its head. Measurement bars indicate its length is about 6 feet or 1.8 meters. Illustration of a Triceratops, a large, four-legged dinosaur with a prominent bony neck frill and three facial horns, shown next to two human figures for scale. Measurement bars indicate 1 meter and 3 feet, highlighting the dinosaur's impressive size, and text notes it was a massive, late Cretaceous herbivore from North America.
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Lion (panthera leo)
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ceratopsian: References & Edit History

Article Contributors

Primary Contributors

  • The Editors of Encyclopaedia Britannica
    Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree. They write new content and verify and edit content received from contributors.

Other Encyclopedia Britannica Contributors

Article History

Type Description Contributor Date
Added text describing the facial characteristics of Kosmoceratops and Utahceratops. Oct 22, 2010
Added image of Yinlong downsi. Apr 13, 2010
Revised to reflect updated geologic time scale. Aug 08, 2008
Added new Web site: University of California Museum of Paleontology - Introduction to the Ceratopsians. Aug 20, 2007
Article revised. Sep 27, 2002
Article added to new online database. Jul 20, 1998
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