- Length
- 13 m
- Diet
- Plant-eater
- When
- Late Cretaceous72 to 68 million years ago
- Fossils found in
- Mongolia
- Named by
- Nowinski (1971)
- Family tree
- Dinosauria › Saurischia › Sauropodomorpha › Sauropoda › Diplodocoidea › Nemegtosauridae
Sauropods. Long-necked, four-legged plant-eaters, the biggest animals ever to walk on land. See all 59
Lived at the same time
- Anserimimus · same country
- Borogovia · same country
- Heyuannia · same country
- Homalocephale · same country
- Microceratus · same country
- Mononykus · same country
- Nomingia · same country
- Opisthocoelicaudia · same country
Other sauropods
- Opisthocoelicaudia Late Cretaceous
- Ampelosaurus Late Cretaceous
- Isisaurus Late Cretaceous
- Magyarosaurus Late Cretaceous
- Neuquensaurus Late Cretaceous
- Alamosaurus Late Cretaceous
- Saltasaurus Late Cretaceous
- Dreadnoughtus Late Cretaceous
Source: Nemegtosaurus in the Natural History Museum Dino Directory, read 12 November 2026. Sizes are the museum's estimates for a typical adult. "Lived at the same time" lists dinosaurs whose dates overlap, which does not always mean they met.