Where: Fremont County, Wyoming (42.4° N, 108.9° W: paleocoordinates 46.2° N, 94.9° W)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Blacksforkian zone, Bridger Formation, Bridgerian (50.3 - 46.2 Ma)

• spans lower chron C23n and upper C23r: Clyde et al. 2001

• member-level stratigraphic resolution

Environment/lithology: terrestrial; mudstone and ferruginous, tuffaceous, red, carbonaceous sandstone

Size classes: macrofossils, mesofossils

Primary reference: G. F. Gunnell and W. S. Bartels. 2001. Basin margins, biodiversity, evolutionary innovation, and the origin of new taxa. Eocene biodiversity: unusual occurrences and rarely sampled habitats (G. F. Gunnell, ed.) 403-432 [J. Alroy/J. Alroy/J. Alroy]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 27269: authorized by John Alroy, entered by John Alroy on 26.11.2002, edited by Philip Mannion

Creative Commons license: CC BY (attribution)