Where: Sweetwater County, Wyoming (42.0° N, 109.2° W: paleocoordinates 46.9° N, 92.8° W)

• coordinate stated in text

• hand sample-level geographic resolution

When: Tipton Tongue Member (Green River Formation), Wasatchian (55.8 - 50.3 Ma)

• bed-level stratigraphic resolution

Environment/lithology: lacustrine; limestone

Size class: macrofossils

Preservation: adpression

Reposited in the UW

Primary reference: A. Feduccia. 1973. A new Eocene zygodactyl bird. Journal of Paleontology 47(3):501-503 [J. Alroy/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 67863: authorized by John Alroy, entered by John Alroy on 13.12.2006, edited by Patricia Holroyd

Creative Commons license: CC BY (attribution)