ammonites
Twentyfive Mile District ( of the United States)

Where: Goshen County, Wyoming (42.0° N, 104.2° W: paleocoordinates 42.9° N, 99.2° W)

• coordinate based on political unit

When: Upper Harrison Beds Formation, Harrisonian (24.8 - 20.4 Ma)

Environment/lithology: terrestrial

Primary reference: X. Wang, R. H. Tedford, and B. E. Taylor. 1999. Phylogenetic systematics of the Borophaginae (Carnivora: Canidae). Bulletin of the American Museum of Natural History 243:1-392 [J. Alroy/J. Alroy/J. Alroy] more details

PaleoDB collection 17850: authorized by John Alroy, entered by John Alroy on 26.03.1995

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