Deinonychus and John Ostrom
Professor John Ostrom of Yale University discovered Deinonychus, a pack-hunting dinosaur that terrorized victims during the Cretaceous with sicklelike claws on its feet. Deinonychus means "terrible claw."
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- © Louie Psihoyos
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Academy of Sciences Bone Bones Carnivore Carnivorous Cretaceous Czerkas Deinonychosauria Dino Dinos Dinosaur Dinosaurs Dromaeosaur Dromaeosauridae Fossil Fossils Geography Jurassic Park Male Mesozoic Natural History Nature Ostrom Paleontolgist Paleontologist Paleontologists Paleontology Portrait Prehistoric San Francisco Science Skeleton Stephen Theropod Theropoda Velociraptor claws terrible claw yale
- Contained in galleries
- Nature, Dinosaurs
