Where: Colorado (39.0° N, 108.0° W: paleocoordinates 42.8° N, 94.6° W)

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

Environment/lithology: lacustrine - large; diatomaceous shale

Size classes: macrofossils, mesofossils

Preservation: mold/impression, adpression

Collected by C.A. White

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 122191: authorized by Matthew Clapham, entered by Jered Karr on 18.12.2011

Creative Commons license: CC BY (attribution)