Deinocheirus: quick facts

Only a pair of arms belonging to Deinocheirus have been discovered in southern Mongolia. These arms were very long -- 8 feet (2.4 meters) -- and their hands accounted for 2 feet (0.6 meters)of the len

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Reference background: Natural History Museum, London — Dinosaurs; Smithsonian National Museum of Natural History — Dinosaurs; American Museum of Natural History — Dinosaurs & Fossils. Figures are typical published ranges; taxonomy follows the source era and modern consensus is noted where it differs. See our sources & fact-check policy.