* Name means "spine lizard" * Featured fan-shaped spine on its back, short front legs, and powerful back legs * The largest carnivore and may have been larger than T Rex * Lived on land and in water * Ate fish and other small and medium-sized prey
* Named means" three-horn face" * Lived in western North America * Featured a large bony frill and three horns on its face * Was a snack for T.rex * Weighed 4 to 6 tons
* Name means "fused lizard" * Lived in North America * Featured a triangular-shaped head, a heavily armored body, and back legs longer than its front legs * Used its long heavy club tail to break the legs of enemies.
* Name means "tyrant lizard" * Lived in forested river valleys in North America * Featured huge teeth , strong back legs, short front legs, and powerful tail * was 40 feet long and 15 to 20 feet high * Ate other dinosaurs- scientists believe it could eat 500 pounds in a single bite
* Name means "Speedy thief" * Hunted in packs * could run up to 40 miles per hour in short bursts * Featured a sharp, curved claw on each foot * Weighed about 33 pounds * Ate small animals such as reptiles, amphibians, and smaller, slower dinosaurs
* a group of birds with feathers that weren't used for flying but kept them warm * Lived mostly in water * Had teeth and ate fish * Featured webbed feet far back on their bodies for diving * Fossils found in western North America, Europe, Mongolia, and Kazakhstan
*name mean "near crested lizard" * featured a large crest on its head almost 6 feet long * Fossils found in Canada, New Mexico, and Utah
* name means "winged tooth" * Flying reptile (not a dinosaur) * wings spanned 18 feet * Featured hollow bones * fossils found in Kansas and England * Ate fish and the carcasses of dinosaurs and other animals
* name means "ancient wing" * Considered to be the oldest know bird * Lived in southern Germany * Featured sharp teeth and three fingers with claws on each wing * Similar in size to a raven * Ate lizard, frogs, and beetles
*Mistakenly called Brontosaurus *name means "deceptive lizard" * one of the largest lan animals 70 to 90 feet long, 15 feet tall, weighed 30 to 35 tons *fossils found Wyoming, Colorado, Oklahoma, and Utah * featured a long neck, four legs, and a long, whip-like tail
