Every month, 100,000 readers use the Dinosaur Database, but we receive no support from you. Developing and updating the database requires a lot of work. Therefore, as of September 1, 2025, the database will be closed. If you want it to remain open and be updated, please support us via the "Buy us a coffee" button available on every page or via the Support page.
Dinosaur: "Mamenchisaurus" youngi
Jurassic: 161.5–154.8 Ma
| Length*: | 16.4 m | 53.8 ft |
| Weight*: | 7 t | 15,432 lb |
*The largest known specimen
Period
Epoch: Late Jurassic
Stage: Oxfordian
Years: 161.5–154.8 Ma
Details
Status: valid
Author: Pi, Ouyang & Ye
Year: 1996
Distribution
Area: Asia
Country: China
Region: Sichuan
Formation: Upper Shaximiao
Sources
Material: Nearly complete skeleton with skull.
References: Pi, Ouyang & Ye (1996). A new species of sauropod from Zigong, Sichuan, Mamenchisaurus youngi.
________________________
