article: Dromaeosaurus
links: Dinosauria Red Deer River Alberta Tyrannosauridae Deinonychus Edmontosaurus Sauropsida Animal Theropoda Tyrannosaurus Torosaurus John Ostrom American Museum of Natural History Utahraptor Canada Late Cretaceous Deinonychosauria Velociraptor Dino Dan Adasaurus Saurischia Royal Tyrrell Museum of Palaeontology Upper Cretaceous Barnum Brown Achillobator Walking with Dinosaurs Dromaeosauridae