|Named By:||Halszka Osmolska, Ewa Roniewics & Rinchen Barsbold in 1972|
|Time Period:||Late Cretaceous, 70 Ma|
|Location:||Mongolia - Nemegt Formation|
|Size:||Largest specimens up to 8 meters long|
|Diet:||Uncertain but possible omnivore|
|Fossil(s):||Numerous individuals including juveniles|
|Classification:||| Chordata | Reptilia | Dinosauria | Saurischia | Theropoda | Ornithomimidae ||
Gallimimus ( GAL-i-MY-mas; meaning "chicken mimic") is a genus of ornithomimid theropod dinosaurs from the late Cretaceous period (Maastrichtian stage) Nemegt Formation of Mongolia. With individuals as long as 8 m (26 ft), it was one of the largest ornithomimosaurs. Gallimimus is known from multiple individuals, ranging from juvenile (about 0.5 m tall at the hip) to adult (about 2 m tall at the hip). The type species is G.bullatus, which means "capsuled chicken mimic".