article: Hadrosaur
links: Brachylophosaurus Organ (anatomy) Hadrosaurus Centimetre Cretaceous Hell Creek Formation Edmontosaurus Lambeosaurinae Field Museum of Natural History Lambeosaurus Maiasaura Mummification Parasaurolophus Richard Lydekker North Dakota Equilibrioception Corythosaurus Crest (feathers) Tyrannosaurus rex Space Shuttle Edward Drinker Cope Oxford University Associated Press Saurolophus Migration Shantungosaurus Nail (anatomy) Boeing North America Asia Upper Cretaceous CT scan Predation Mya (unit) Egg (biology) Europe