Where: Slope County, North Dakota (46.4° N, 104.0° W: paleocoordinates 52.1° N, 79.6° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Ludlow Member (Fort Union Formation), Early/Lower Paleocene (66.0 - 61.7 Ma)

Environment/lithology: fluvial; lithified siliciclastic sediments

Size class: macrofossils

Preservation: adpression

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 129230: authorized by Peter Wilf, entered by Mike Donovan on 22.06.2012

Creative Commons license: CC BY (attribution)