Many dinosaurs from around the world had plates attached to their backs. Some of their plates were as small as a dime, while others were as large as the lid of

Dinosaurs like Stegosaurus had stiff plates on their bodies. Some used their plates to heat themselves up or cool themselve off. Others had plates to scare off

Some armored dinosaurs were larger than elephants. They were covered with plates and spikes and had heavy, clubbed tails. Find out how the armored dinosaurs fou

Toward the end of the Age of Dinosaurs, some of the meat-eating dinosaurs became birdlike. They were covered in feathers. Learn how these dinosaurs lived and co

Some plant-eating dinosaurs of the world had sharp horns and armored neck plates. Learn how these dinosaurs used horns and armor to defend themselves from attac