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 or via the Support page.
Dinosaur: Heyuannia yanshini

Length*: | 1.6 m | 5.2 ft |
Weight*: | 20 kg | 44 lb |
*The largest known specimen
Period
Epoch: Late Cretaceous
Stage: Earliest Maastrichtian
Years: 72.1–66 Ma
Details
Status: valid
Author: Funston et al.
Year: 2018
Distribution
Area: Asia
Country: Mongolia
Region: Ömnögovi
Formation: Barun Goyot
Locations
Sources
Material: At least three partial skeletons.
References: Funston, G. F., Mendonca, S. E., Currie, P. J., & Barsbold, R. (2018). Oviraptorosaur anatomy, diversity and ecology in the Nemegt Basin.