|Named By:||X. Xu, X. Zhang, Q. Tan, X. Zhao & L. Tan in 2006|
|Time Period:||Late Cretaceous|
|Location:||Mongolia - Iren Dabasu Formation|
|Size:||Estimated about 9 meters long|
|Classification:||| Chordata | Reptilia | Dinosauria | Saurischia | Sauropoda | Titanosauria ||
Sonidosaurus is a genus of sauropod dinosaur from the Late Cretaceous. It was a titanosaur which lived in what is now China. The type species, Sonidosaurus saihangaobiensis, was described by Xu, Zhang, Tan, Zhao, and Tan in 2006. It was a small titanosaur, about 9 meters (30 ft) long. It was found in the Iren Dabasu Formation; it was only slightly larger than the contemporaneous giant oviraptorid Gigantoraptor.