What does a fossil named "Kelsey" tell us about the Triceratops horridus? Learn what the fossils say about this dinosaur's defense system, diet, and size. Be sure to click the "See the skeleton" link to interact with and learn about...

Learn what a fossil named "Frannie" can tells us about a herbivorous dinosaur called the Prenoceratops, a cousin of Triceratops. View a taxonomy table, learn about this dinosaur's physical features, and interact with skeleton to learn...