Name's meaning : Headed Lizard  
Pronunciation : Pask-ee-seff-uh-low-sore-us
Lenght : Up to 8m  
Young Earth Age : Campanian  
Old Earth Age :  
Diet : Herbivorous  
Fossil Location : Canada, USA

 
Classification : Upper Cretacious  
Dinosaur Age : 76-65 Ma  
       

Physical Description

Pachycephalosaurus - Largest and last of the "bone-head" family, Pachycephalosaurus and all its plant-eating relatives and carnivorous cousins became extinct 66 million years ago.

Click to view larger pictures