Do pterodactyls have protective skin

How big was mike the tyrannosaurus rex? Did the recent stone age make dinosaurs extinct? Name a rhyming pair for the words rock skeleton? What are dinosours related to? What do dinosaur tracks in coal beds tells us about the environment in Utah's past? How long have dinosaurs been extinct? Is tulisa contostavlos single? What name would you give to a evil dragon? What is the closest relative alive of the T rex? What is the name of the storm in 1977 Pete's Dragon? In which ways are the crocodiles different from a ichthyosaurus? What is dandroph? If you find a new dinosaur species how much do you get paid? Where did people found the fossills allosaurus? What is the name for the modern era which began approximately 65 million years ago the mass extinction of the dinosaurs? How did the velociraptor walk 2 or 4 legs was it fast or slow? What dinosaurs lived in the UK? Where are the dolomite mountains? Why the theory of dinosaurs has become convincing? What continent had the largest dinosaur?