Where: Sweetwater County County, Wyoming (41.9° N, 108.0° W: paleocoordinates 46.5° N, 92.0° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Ramsey Ranch Member (Wasatch Formation), Early/Lower Eocene (55.8 - 48.6 Ma)

Environment/lithology: fluvial; lithified siliciclastic sediments

Size class: macrofossils

Preservation: adpression

Reposited in the USNM

Collection methods: bulk, quarrying,

• Insect damage census

Primary reference: P. Wilf, C. C. Labandeira, K. R. Johnson and B. Ellis. 2006. Decoupled plant and insect diversity after the end-Cretaceous extinction. Science 313:1112-1115 [P. Wilf/P. Wilf]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 129152: authorized by Peter Wilf, entered by Mike Donovan on 21.06.2012

Creative Commons license: CC BY (attribution)