Where: Colorado (40.4° N, 106.5° W: paleocoordinates 45.0° N, 90.3° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Coalmont Formation, Wasatchian (55.8 - 50.3 Ma)

Environment/lithology: terrestrial; lithified siliciclastic sediments

Size class: macrofossils

Preservation: adpression

Reposited in the UCM

Primary reference: T. D. A. Cockerell. 1916. Some American fossil insects. Proceedings of the United States National Museum 51:89-106 [M. Clapham/M. Clapham] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 124696: authorized by Matthew Clapham, entered by Matthew Clapham on 21.02.2012

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