Describes what is known about the physical characteristics, behavior, and habitat of this bonyheaded, planteating dinosaur.

Describes the physical characteristics and behavior of the plant-eating Pachycephalosaurus.

This “thick-headed lizard” had a skull that was 10 inches thick and covered in bumps and spikes. The pachycephalosaurus lived in the late Cretaceous period an

The pachycephalosaurus, its name meaning “thick-headed lizard,” is known for its thick domed skull! In this hi-lo title, detailed illustrations welcome reader

Audisee® eBooks with Audio combine professional narration and sentence highlighting for an engaging read aloud experience! The Pachycephalosaurus had bony spik