Triceratops

Wyoming State Dinosaur

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Triceratops fossil skeleton at the American Museum of Natural History in NYC

Triceratops at the American Museum of Natural History in New York City; dinosaur symbol of Wyoming.  Photo by David Bruce/Flickr (Noncommercial Use Permitted with Attribution/No Derivative Works).

Official State Dinosaur of Wyoming

Wyoming designated triceratops as the official state dinosaur in 1994 (Wyoming also has a state fossil, adopted in 1987). All State Dinosaurs & Fossils

One of the largest horned dinosaurs, the iconic Triceratops lived in Wyoming over 65 million years ago during the Cretaceous Period. The fearsome-looking horns and frill were used for defense and display - Triceratops was a vegetarian.

Wyoming

Images

Triceratops dinosaur fossil; photo by Geoff Livingston on Flickr (noncommercial use permitted with attribution / share alike)

Triceratops dinosaur fossil

Triceratops dinosaur fossil at the American Museum of Natural History; photo by Jennifer Feuchter on Flickr (use permitted with attribution). All State Fossils

Triceratops dinosaur fossil skeleton

Triceratops fossil skull; photo by Peter Eimon on Flickr (noncommercial use permitted with attribution / share alike).

Triceratops fossil skull

Videos

Clash of the Dinosaurs: The Defenders - The Triceratops Threat