theropod

primitive medium-sized theropod; swift-running bipedal carnivorous dinosaur having grasping hands with sharp claws and a short horn between the nostrils; Jurassic in North America

large carnivorous bipedal dinosaur having huge claws

large carnivorous bipedal dinosaur having enormous teeth with knifelike serrations; may have been a scavenger rather than an active predator; later Cretaceous period in North America

late Jurassic carnivorous dinosaur; similar to but somewhat smaller than tyrannosaurus

very small bipedal carnivorous dinosaur of the late Jurassic in Bavaria

a kind of theropod dinosaur found in Argentina

a theropod dinosaur of the genus Eoraptor

gigantic carnivorous bipedal dinosaur of the Jurassic or early Cretaceous in Europe

lightly built medium-sized dinosaur having extremely long limbs and necks with small heads and big brains and large eyes

advanced carnivorous theropod

one of the oldest known dinosaurs; late Triassic; cannibalistic

small light-boned toothless dinosaur resembling an ostrich in size and proportions

lightly built medium-sized theropod with long limbs and neck

advanced carnivorous theropod

small active carnivore that probably fed on protoceratops; possibly related more closely to birds than to other dinosaurs

a kind of maniraptor

swift agile wolf-sized bipedal dinosaur having a large curved claw on each hind foot; of the Cretaceous

large (20-ft) and swift carnivorous dinosaur having an upright slashing claw 15 inches long on each hind foot; early Cretaceous

a turkey-sized long-legged fossil 75 million years old found in the Gobi Desert having bird-like fused wrist bones and keeled breastbone and a long tail resembling a dinosaur's; short forelimbs end in a single claw instead of wings; classification as bird or dinosaur is in dispute