ammonites
Opal (UM BB-24) (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 16318: authorized by John Alroy, entered by John Alroy on 21.09.1999

Creative Commons license: CC BY-NC-ND (attribution-noncommercial-no derivatives)