What is thorscrag?

What is a box of huge rocks? What is the name of the Puff the Magic Dragon's human friend? What are the three most important factors of where humans decided to live one thousand years ago? What is a burrowing animal covered with bony plates that act as armor? Which animal is called feathered dinosaur and why it is called so? What was the significance of the discovery of dinosaur eggs? What is a crocadilion? What two dragons make legendary? Is the bone around a triceratops neck called a frill? How much is a sheet of the world of dinosaurs stamps worth? Is arkosaurus a dinosaur? In which dungeon do you find Dragonite on Pokemon mystery dungeons explorer's of darkness? Who named Pangaea? What is the latin name of a Triceratops? What dragon do you use for cherry road in DragonVale? How wide was stegosaurus? What is the natural process whereby layers of mud and sand wore away and exposed dinosaur bones? How do they know that a meteor hit the earth and wiped out the dinosaurs? What are the types of dinosaurs? Scientists usually name dinosaurs after a body feature a person involved in the discovery or a third characteristic what is that third characteristic?