Where: Colorado (40.0° N, 109.0° W: paleocoordinates 43.9° N, 95.5° W)

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

• "from the lowest beds"

Environment/lithology: lacustrine - large; diatomaceous shale

Size classes: macrofossils, mesofossils

Preservation: adpression

Reposited in the USGS

Primary reference: S. H. Scudder. 1893. Tertiary Rhynchophorous Coleoptera of the United States. Monographs of the United States Geological Survey 21:1-206 [C. Labandeira/C. Labandeira/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 152142: authorized by Matthew Clapham, entered by Matthew Clapham on 09.11.2013

Creative Commons license: CC BY (attribution)