Ornithischians

In 1822, a discovery in an English quarry changed science forever. A large fossil tooth, shaped like that of an […]

With a skull cap of solid bone up to 25 cm (10 inches) thick, Pachycephalosaurus is one of the most

With its long, spectacular crest curving back from its skull, Parasaurolophus is one of the most recognizable dinosaurs of the

With its double row of bony plates running along its back and a formidable spiked tail, Stegosaurus is one of

If you were a predator in the Late Cretaceous, few sights would be more daunting than an adult Ankylosaurus. This