Opal (UM BB-42) (Eocene of the United States)
Where: Lincoln County, Wyoming (41.8° N, 110.7° W: paleocoordinates 45.9° N, 96.9° W)
• coordinate based on political unit
• small collection-level geographic resolution
When: Bridger Formation, Bridgerian (50.3 - 46.2 Ma)
Environment/lithology: terrestrial
Primary reference: G. F. Gunnell. 1998. Contributions from the Museum of Paleontology, University of Michigan 30(3):83-130 [J. Alroy/J. Alroy] more details
PaleoDB collection 16325: authorized by John Alroy, entered by John Alroy on 21.09.1999
Creative Commons license: CC BY-NC-ND (attribution-noncommercial-no derivatives)