pachycephalosauruses

Describes the body, habitat, diet, and enemies of the pachycephalosaurus, and discusses its discovery in 1938.

Describes the pachycephalosaurus's physical characteristics, movement, world, and diet, as well as the first discovery of pachycephalosaurus fossils, and includes a hands-on activity.

Describes the physical characteristics and behavior of pachycephalosaurus and other bone-headed plant-eating dinosaurs.