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.
Dinosaur: "Antarctosaurus" jaxarticus
Cretaceous: 86.3–83.6 Ma
| Length*: | 15 m | 49.2 ft |
| Weight*: | 11 t | 24,251 lb |
| Speed: | 28 km/h | 17 mph |
*The largest known specimen
Period
Epoch: Late Cretaceous
Stage: Santonian
Years: 86.3–83.6 Ma
Details
Status: nomen dubium
Author: Riabinin
Year: 1938
Distribution
Area: Asia
Country: Kazakhstan
Region: South Kazakhstan
Formation: Syuksyuk
Sources
Material: Femur.
References: Riabinin, A. N. (1938). "Some results of the studies of the Upper Cretaceous dinosaurian fauna from the vicinity of the Station Sary-Agach, south Kazakhstan".
________________________
