200-million year old Pterosaur 'built for flying'

Scientists on Monday unveiled a previously unknown species of giant pterosaur, the first creatures with a backbone to fly under their own power.Neither dino nor bird, pterosaurs -- more commonly known as pterodactyls -- emerged during the late Triassic period more than 200 million years ago and lorded over primeval skies until a massive space rock slammed into Earth, wiping out the dinosaurs and most other forms of life some 65 million years ago."They are delicately framed animals that are built