but other impressive casts include full skeletons and the skulls of other notable dinosaurs (particularly those of a ...

Pachycephalosaurus wyomingensis was the largest of the pachycephalosaurids—"thick-headed dinosaurs"—which featured extremely thick skullcaps. The top of a Pachycephalosaurus skull could be 9 ...

Other tracks at Dinosaur Valley State Park belong to a sauropod, or long-necked, small-headed dinosaur, called Sauroposeidon proteles. This species would have stood 18 meters tall. Similar ...