- Length
- 23 m
- Weight
- 20 tonnes
- Diet
- Plant-eatertough plant material
- Walked
- On 4 legs
- When
- Late Jurassic150 to 140 million years ago
- Fossils found in
- USA
- Named by
- Cope (1877)
- Family tree
- Dinosauria › Saurischia › Sauropodomorpha › Sauropoda › Macronaria › Camarasauromorpha › Camarasauridae
Sauropods. Long-necked, four-legged plant-eaters, the biggest animals ever to walk on land. See all 59
Lived at the same time
- Dryosaurus · same country
- Gargoyleosaurus · same country
- Haplocanthosaurus · same country
- Hesperosaurus · same country
- Marshosaurus · same country
- Othnielia · same country
- Saurophaganax · same country
- Supersaurus · same country
Other sauropods
- Brachytrachelopan Mid Jurassic
- Dicraeosaurus Late Jurassic
- Lusotitan Late Jurassic
- Apatosaurus Late Jurassic
- Brachiosaurus Late Jurassic
- Diplodocus Late Jurassic
- Euhelopus Late Jurassic
- Europasaurus Late Jurassic
Source: Camarasaurus 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.