Dinosaurs · Sauropod
Sonidosaurus
Say it soh-nid-oh-sore-us. The name means ‘Sonid (area in which the type locality is) lizard’.
- Length
- 9 m
- Diet
- Plant-eater
- When
- Late Cretaceous89 to 66 million years ago
- Fossils found in
- China
- Named by
- Xu, Zhang, Tan, Zhao and Tan (2006)
- Family tree
- Dinosauria › Saurischia › Sauropodomorpha › Sauropoda › Macronaria › Titanosauriformes › Titanosauria
Sauropods. Long-necked, four-legged plant-eaters, the biggest animals ever to walk on land. See all 59
Lived at the same time
- Tanius · same country
- Microceratus · same country
- Alectrosaurus · same country
- Archaeornithomimus · same country
- Bactrosaurus · same country
- Micropachycephalosaurus · same country
- Mononykus · same country
- Nanshiungosaurus · same country
Other sauropods
- Argentinosaurus Late Cretaceous
- Quaesitosaurus Late Cretaceous
- Antarctosaurus Late Cretaceous
- Aegyptosaurus Late Cretaceous
- Maxakalisaurus Late Cretaceous
- Paralititan Late Cretaceous
- Patagotitan Early Cretaceous
- Dreadnoughtus Late Cretaceous
Source: Sonidosaurus 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.