AverostraAvetheropodaCoelurosauriaDinosauriaEusaurischiaLate JurassicNeotheropodaNorth AmericaOrionidesSaurischiaTetanuraeTheropodaTyrannoraptora

Ornitholestes hermanni

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: Ornitholestes hermanni

Jurassic: 154.8–149.2 Ma
Type: Theropod

Length*:2.1 m6.9 ft
Weight*:12 kg26 lb
ESR: 3.5 / 4 (estimated size reliability)
*The largest known specimen


Period

Epoch: Late Jurassic
Stage: Kimmeridgian
Years: 154.8–149.2 Ma

Details

Status: valid
Author: Osborn
Year: 1903

Distribution

Area: North America
Country: USA
Region: Wyoming
Formation: Morrison


Locations


Sources

Material: Large part of skeleton with skull.
References: Osborn, (1903). Ornitholestes hermanni, a new compsognathoid dinosaur from the Upper Jurassic.

________________________

If you are interested in Excel Professional version of Dinosaur or Pterosaur Database, write to us


Pterosaur Database