Dinosaur: "Mamenchisaurus" sinocanadorum
Jurassic: 161.5–154.8 Ma

| Length*: | 29 m | 95.1 ft |
| Weight*: | 34 t | 74,957 lb |
*The largest known specimen
Sources
Material: Fragmentary skull and cervical vertebrae with ribs.
References: Russell, D. A., & Zheng, Z. (1993). A large mamenchisaurid from the Junggar Basin, Xinjiang, People’s Republic of China.

