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Emily Willoughby, (e.deinonychus@gmail.com, emilywilloughby.com), CC BY-SA 4.0, via Wikimedia Commons (unmodified except resizing) · CC BY-SA 4.0

Deinonychus antirrhopus

Period: Cretaceous· Aptian
Age: 121.4–100.5 Ma
Diet: Carnivore
Length: 3.3–3.4 m
Height: 0.8–1 m
Mass: 60–100 kg
Found in: Cloverly Formation, Montana, Wyoming
Classification: Dinosauria › Saurischia › Theropoda › Coelurosauria › Maniraptora › Dromaeosauridae › Eudromaeosauria › Deinonychus › Deinonychus antirrhopus
Year described: 1969

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