Definition: Stegosauroids are a group of extinct creatures that lived during the late Cretaceous Period, about 65 to 70 million years ago. They were a type of dinosaur known for their large size and powerful jaws, which allowed them to climb trees and reach high places. The stegoosaurid fossils have been found in various parts of the world, including China, Japan, and South Africa. Their bones are preserved in fossilized form, allowing scientists to study their anatomy