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Real Deinonychus
Jurassic Park Institute Artwork

Name meaning

"Terrible Claw"




1.7 m (5.5 feet)[1]


3.4 m (11 ft)[1]


73 kilogram (160 lbs)[1]


USA (Montana, Wyoming, possibly Maryland)

Game appearances

The Lost World: Jurassic Park (video game)
Jurassic Park III: Park Builder

Template Source
"The point is, you are alive when they start to eat you."
Dr. Alan Grant(src)

Deinonychus was the first of the raptors (technically called "Dromaeosaurs") to be known from a nearly complete skeleton. Velociraptor had been discovered forty years earlier but was known only from a skull and a few bones of its hands and feet.[1]

The skeleton of Deinonychus were first to show the now infamous sickle-shaped retractable foot claw (8 inch), used for ripping open the guts of its prey. Deinonychus also had a nasty bite, with over 60 knife-like teeth.[1]

Dr. John Ostrom discovered Deinonychus in 1964. Dr. Ostrom believed that this dinosaur was an agile, swift predator, more like a warm-blooded mammal or bird than a cold-blooded crocodile.[1]

Wikipedia has a more detailed and comprehensive article on Deinonychus


Deinonychus is seen on the Holoscape screen in the Innovation Center of Jurassic World, though it is currently unknown if any reside within the park itself.

Production and developmentEdit

The Velociraptor from the film canon is based on Deinonychus because in the novels Deinonychus is synonymous with Velociraptor.


In the novel canon, Deinonychus was considered to be a species of Velociraptor.[2]

At a Montana dig site, Dr. Alan Grant discovers a hatchling of a dromaeosaurid that he classifies as Velociraptor antirrhopus, which is the reclassified Deinonychus.

Production and developmentEdit

When Michael Crichton wrote the first novel, Deinonychus was included in the Velociraptor genus. The type-species Deinonychus antirrhopus was sometimes called Velociraptor antirrhopus.[3]

The Lost World: Jurassic Park (console game)Edit

In the video game The Lost World: Jurassic Park Deinonychus is an enemy in various levels. It bears a resemblance to the Velociraptor that appeared in the game as well, only different in colors. Oddly, it's a bit smaller than the Velociraptor, instead of being bigger. In the game they're also called "Deinon-Raptor", likely to differentiate them from the Veloci-Raptors.They are grey and have yellow spots.

Jurassic Park III: Park BuilderEdit

In Jurassic Park III: Park Builder, Deinonychus is a carnivore that can be recreated from paleo-DNA.

Jurassic Park: Operation GenesisEdit

It was planned to appear in Jurassic Park: Operation Genesis, but was scrapped,[4] possibly in favor of the Velociraptor.

The Lost World Series 1Edit

There had initially been plans to produce a Deinonychus toy for The Lost World Series 1. It was to be a repaint of the Jurassic Park Series 1 Velociraptor.[5]


  1. 1.0 1.1 1.2 1.3 1.4 1.5 Dinosaur Field Guide, page 63.
  2. In page 131 of Jurassic Park, Dr. Alan Grant says: "Although Deinonychus is now considered one of the Velociraptors..."
  3. Paul, Gregory S. (1988). Predatory Dinosaurs of the World. New York: Simon and Schuster. pp. 464pp. ISBN 978-0671619466.
  4. Dinosaurs cut from Jurassic Park: Operation Genesis.

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