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: Achillobator giganticus

Length*: | 4.5 m | 14.8 ft |
Weight*: | 280 kg | 617 lb |
Speed: | 43 km/h | 27 mph |
*The largest known specimen
Period
Epoch: Late Cretaceous
Stage: Santonian
Years: 86.3–83.6 Ma
Details
Status: valid
Author: Perle, Norell & Clark
Year: 1999
Distribution
Area: Asia
Country: Mongolia
Region: Dornogovi
Formation: Bayan Shireh
Locations
Sources
Material: Partial skeleton with skull fragment.
References: Perle, A., Norell, M.A., and Clark, J. (1999). "A new maniraptoran theropod - Achillobator giganticus (Dromaeosauridae) - from the Upper Cretaceous of Burkhant, Mongolia."