Where: Colorado (40.1° N, 108.2° W: paleocoordinates 43.9° N, 94.7° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

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

• "Lower section of the Upper Green River"

• group of beds-level stratigraphic resolution

Environment/lithology: lacustrine - large; lithified, diatomaceous shale

Size classes: macrofossils, mesofossils

Preservation: adpression

Collected by Earl Douglass; reposited in the CM

Primary reference: F. M. Carpenter. 1928. A scorpion-fly from the Green River Eocene. Annals of the Carnegie Museum 18:241-248 [C. Labandeira/C. Labandeira/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 163519: authorized by Matthew Clapham, entered by Matthew Clapham on 03.11.2014

Creative Commons license: CC BY (attribution)