Where: Wyoming (42.6° N, 109.9° W: paleocoordinates 46.5° N, 96.0° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

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

• Upper Green River Group or lower part of the Bridger Group

Environment/lithology: lacustrine - large; limestone

Size class: mesofossils

Preservation: trace

Collected by Dr. A.C. Peale

Primary reference: S. H. Scudder. 1878. An Account of Some Insects of Unusual Interest from the Tertiary Rocks of Colorado and Wyoming. Bulletin of the United States Geological and Geographical Survey of the Territories 4(2):519-543 [C. Labandeira/C. Labandeira/J. Karr]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 121287: authorized by Matthew Clapham, entered by Jered Karr on 01.12.2011

Creative Commons license: CC BY (attribution)