Where: Wyoming (41.6° N, 109.6° W: paleocoordinates 45.5° N, 95.7° W)

• coordinate estimated from map

• outcrop-level geographic resolution

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

Environment/lithology: lacustrine - large; diatomite and shale

Size classes: macrofossils, mesofossils

Preservation: adpression

Collected by Richardson, Hayden

• "The insects were obtained in the first instance by Dr. Hayden, who brought home a few specimens only; next, Mr. F.C.A. Richardson placed in my hands a considerable collection;* and last summer my untiring friend Mr. P.C. Bowditch and myself spent several days working the shales." Scudder, 1878, This collection consists of only those collected by Richardson

Primary reference: S. H. Scudder. 1876. Fossil Coleoptera from the Rocky Mountain Tertiaries. Bulletin of the United States Geological and Geographical Survey of the Territories 2(1):77-87 [C. Labandeira/C. Labandeira/J. Karr] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 121306: authorized by Matthew Clapham, entered by Jered Karr on 02.12.2011, edited by Matthew Clapham

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