Where: Colorado (39.9° N, 108.2° W: paleocoordinates 43.7° N, 94.6° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

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

Environment/lithology: lacustrine - large; lithified shale

Size classes: macrofossils, mesofossils

Preservation: adpression

Collected by D.E. Winchester & H.R. Bennett; reposited in the USNM

Primary reference: T. D. A. Cockerell. 1919. The antiquity of the Ichneumonidae. The Entomologist 52:121-122 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 115103: authorized by Matthew Clapham, entered by Alex Aguilar on 27.08.2011, edited by Jered Karr

Creative Commons license: CC BY (attribution)