Where: Wyoming (41.8° N, 110.7° W: paleocoordinates 46.9° N, 94.4° W)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Fossil Butte Member (Green River Formation), Wasatchian (55.8 - 50.3 Ma)

• From the 18-inch-layer. Upper fossil Butte member.

• group of beds-level stratigraphic resolution

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

Size class: macrofossils

Preservation: adpression

Reposited in the BMNH

Primary reference: L. Grande. 1984. Paleontology of the Green River Formation, with a review of the fish fauna. Bulletin of the Geological Survey of Wyoming 63:1-333 [J. Alroy/J. Alroy/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 187759: authorized by Matthew Clapham, entered by Matthew Clapham on 10.08.2017

Creative Commons license: CC BY (attribution)