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: Alioramus altai
| Length*: | 5 m | 16.4 ft |
| Weight*: | 380 kg | 838 lb |
*The largest known specimen
Period
Epoch: Late Cretaceous
Stage: Early Maastrichtian
Years: 72.1–66 Ma
Details
Status: valid
Author: Brusatte et al.
Year: 2009
Distribution
Area: Asia
Country: Mongolia
Region: Bayankhongor
Formation: Nemegt
Sources
Material: Partial skeleton with skull.
References: Norell, Mark A.; Balanoff, Amy M.; Brusatte, Stephen L.; Bever, Gabe S. (2011). "Variation, Variability, and the Origin of the Avian Endocranium: Insights from the Anatomy of Alioramus altai (Theropoda: Tyrannosauroidea)".
