Where: Wyoming (41.8° N, 110.7° W: paleocoordinates 46.9° N, 94.4° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Fossil Butte Member (Green River Formation), Wasatchian (55.8 - 50.3 Ma)

Environment/lithology: lacustrine - large; white shale

Size class: mesofossils

Preservation: adpression

Collected by brothers Bell

Primary reference: S. H. Scudder. 1890. The Tertiary Insects of North America. Report of the United States Geological Survey of the Territories XIII:1-734 [C. Labandeira/C. Labandeira/L. Edwards]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 122192: authorized by Matthew Clapham, entered by Jered Karr on 18.12.2011

Creative Commons license: CC BY (attribution)