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Triceratops Horridus
Illustration: Triceratops dinosaur
WALLPAPER
Triceratops's head was its most imposing feature. It measured 4 to 5 feet (1.2 to 1.5 meters) across and was ornamented with impressive horns and a head plate.
Image © National Geographic Society
Triceratops Horridus Profile Page

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Triceratops Horridus Printable Factsheet

Prehistoric Features
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News Photo Gallery: Rare "Prehistoric" Goblin Shark Caught in Japan

An extremely rare frilled shark, spotted by a fisher in January 2007, spent a few hours on display at Japan's Awashima Marine Park before dying.

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Image: Dinosaur concept

What’s Wrong With This Picture?

See past National Geographic dinosaur illustrations and listen to Thomas Holtz, a University of Maryland paleontologist, discuss what we’ve learned since our 20th-century dinosaur coverage.

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Image: Masiakasaurus knopfleri dinosaur

Article: Big Bad Bizarre Dinosaurs

Findings of bizarre Mesozoic fossils prompt John Updike to ask: What has evolution wrought?

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