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. 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: Hesperornithoides miessleri
| Length*: | 90 cm | 3.0 ft |
| Weight*: | 2.5 kg | 6 lb |
*The largest known specimen
Period
Epoch: Late Jurassic
Stage: Late Kimmeridgian
Years: 154.8–149.2 Ma
Details
Status: valid
Author: Hartman et al.
Year: 2019
Distribution
Area: North America
Country: USA
Region: Wyoming
Formation: Morrison
Locations
Sources
Material: Large part of skeleton with skull.
References: Hartman, S., Mortimer, M., Wahl, W.R., Lomax, D.R., Lippincott, J., Lovelace, D.M. (2019). "A new paravian dinosaur from the Late Jurassic of North America supports a late acquisition of avian flight".
