Dinosaur: "Sanchusaurus"
Cretaceous: 125.8–121.4 Ma

| Length*: | 5.9 m | 19.4 ft |
| Weight*: | 800 kg | 1,764 lb |
*The largest known specimen
Sources
Material: Sacral centrum.
References: Hasegawa, Manabe, Kase, Nakajima and Takakuwa, (1999). An ornithomimid vertebra from the Early Cretaceous Sebayashi Formation, Sanchu Terrane, Gunma Prefecture, Japan.

