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: Mononykus olecranus
| Length*: | 1.25 m | 4.1 ft |
| Weight*: | 3.5 kg | 8 lb |
*The largest known specimen
Period
Epoch: Late Cretaceous
Stage: Early Maastrichtian
Years: 72.1–66 Ma
Details
Status: valid
Author: Perle et al.
Year: 1993
Distribution
Area: Asia
Country: Mongolia
Region: Ömnögovi
Formation: Nemegt
Locations
Sources
Material: Three partial skeletons and skull fragments.
References: Perle, Chiappe, Barsbold, Clark and Norell, (1994). Skeletal morphology of Mononykus olecranus (Theropoda: Avialae) from the Late Cretaceous of Mongolia.
