Named By: X. Xu, X. Zhang, Q. Tan, X. Zhao & L. Tan - 2006.
Classification: Chordata, Reptilia, Dinosauria, Saurischia, Sauropoda, Titanosauria.
Species: S. saihangaobiensis (type).
Size: Estimated about 9 meters long.
Known locations: Mongolia - Iren Dabasu Formation.
Time period: Campanian of the Cretaceous.
Fossil representation: Partial remains.
With an estimated length of about nine meters long for the holotype individual, Sonidosaurus was actually pretty small for a late Cretaceous titanosaur. Hailing from the Iren Dabasu Formation, Sonidosaurus may have been preyed upon by tyrannosaurs of the time such as Alectrosaurus.
- A new titanosaurian sauropod from Late Cretaceous of Nei Mongol, China. - Acta Geologica Sinica 80 (1): 20–26. - X. Xu, X. Zhang, Q. Tan, X. Zhao & L. Tan - 2006.