2025年1月10日 · Triceratops, large quadrupedal plant-eating dinosaur that had a frill of bone at the back of its skull and three prominent horns. Fossils date to the final 3 million years of the Cretaceous Period (145.5 million to 65.5 million years ago), making it one of the last of the non-avian dinosaurs to have evolved.

2024年10月4日 · You can probably recognize this dinosaur, but you might be mistaken about some triceratops facts, including the number of horns it really had.