Where: Wyoming (41.5° N, 109.5° W: paleocoordinates 45.5° N, 95.7° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Green River Formation, Bridgerian (50.3 - 46.2 Ma)

Environment/lithology: lacustrine - large; diatomite and shale

Size classes: macrofossils, mesofossils

Preservation: adpression

Collected by Dr. A.S. Packard

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 122090: authorized by Matthew Clapham, entered by Jered Karr on 16.12.2011

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