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: Chakisaurus nekul

Length*: | 3.7 m | 12.1 ft |
Weight*: | 140 kg | 309 lb |
*The largest known specimen
Period
Epoch: Late Cretaceous
Stage: Cenomanian-Turonian
Years: 100.5–89.8 Ma
Details
Status: valid
Author: Alvarez Nogueira et al.
Year: 2024
Distribution
Area: South America
Country: Argentina
Region: Río Negro
Formation: Huincul
Locations
Sources
Material: At least several individuals.
References: Alvarez Nogueira, R.; Rozadilla, S.; Agnolín, F. L.; Garcia Marsà, J. A.; Motta, M. J.; Novas, F. E. (2024). "A new ornithopod from the Upper Cretaceous (Huincul Formation) of northwestern Patagonia, Argentina. Implications on elasmarian postcranial anatomy".