Also known as 11 miles east of Post, Oregon

Where: Oregon (44.1° N, 120.3° W: paleocoordinates 43.8° N, 109.4° W)

• coordinate stated in text

When: John Day Formation, Early/Lower Oligocene (33.9 - 28.4 Ma)

Environment/lithology: lacustrine; tuffaceous shale

Size classes: macrofossils, mesofossils

Preservation: mold/impression, adpression

Primary reference: T. D. A. Cockerell. 1927. Tertiary Fossil Insects from Eastern Oregon. In R. Kellogg, J. Merriam, C. Stock, R. Chaney, H. Mason (eds.), Additions to the Paleontology of the Pacific Coast and Great Basin Regions of North America 346:64-65 [M. Clapham/A. Aguilar/P. Holroyd]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 117158: authorized by Matthew Clapham, entered by Alex Aguilar on 16.09.2011

Creative Commons license: CC BY (attribution)