What is dicolytedon?

Why do we have jobs that didn't exist 400 years ago? Is the t-rex a herbivore? What is The Rex 84 Program? How did the pterodactyls attack? Can dinosaurs color be black? What creatures did dinosaurs eat? What did spinosaurus eat? Why do dragons have claws? Did Velociraptor hunt in packs? Who has lived longer on earth so far dinosaurs or mammals? What did the t-rex eat? Why are no dinosaurs on earth? What does the dinosaur named minmi means? Does the t rex dinosaur have the size of a wall nut? How many species lived in Pangaea? What was the flying dinosaur called? What is a chiniderm? Why can not a t Rex see you if your still? How long did the stegosaurus live to? Where can you find pictures of jungle?