Describes the appearance, eating habits, and habitat of hard-headed dinosaurs, including Pachycephalosaurus, Psittacosaurus, Triceratops, Styracosaurus, and Pachyrhinosaurus.
Read More
Describes the appearance, eating habits, and habitat of hard-headed dinosaurs, including Pachycephalosaurus, Psittacosaurus, Triceratops, Styracosaurus, and Pachyrhinosaurus.
Read Less