Where: Colorado (39.8° N, 108.6° W: paleocoordinates 44.5° N, 93.1° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Cathedral Bluffs Tongue Member (Wasatch Formation), Ypresian (56.0 - 47.8 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: lacustrine - large; lithified shale

Size class: macrofossils

Preservation: mold/impression

Collected by Winchester; reposited in the USNM

Primary reference: T. D. A. Cockerell. 1921. Eocene Insects from the Rocky Mountains. Proceedings of the United States National Museum 57:233-260 [C. Labandeira/C. Labandeira/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 105004: authorized by Matthew Clapham, entered by Matthew Clapham on 13.02.2011, edited by Alex Aguilar and Jered Karr

Creative Commons license: CC BY (attribution)