maniraptor

bird-footed dinosaur, theropod, theropod dinosaur - any of numerous carnivorous dinosaurs of the Triassic to Cretaceous with short forelimbs that walked or ran on strong hind legs

Maniraptora, suborder Maniraptora - advanced theropods including oviraptorids and dromaeosaurs and possibly even modern birds

oviraptorid - advanced carnivorous theropod

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

dromaeosaur - a kind of maniraptor

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

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

Mononychus olecranus - 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