Where: Colorado (39.5° N, 108.4° W: paleocoordinates 44.1° N, 93.0° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Green River Formation, Ypresian (56.0 - 47.8 Ma)

Environment/lithology: lacustrine - large; shale

Size class: macrofossils

Preservation: mold/impression

Collected by John Player

Primary reference: A. Nel and J. C. Paicheler. 1994. Les Lestoidea (Odonata, Zygoptera) fossiles: Un inventaire critique. Annales de Paléontologie 80(1):1-59 [M. Clapham/J. Karr/J. Karr]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 113959: authorized by Matthew Clapham, entered by Jered Karr on 07.08.2011

Creative Commons license: CC BY (attribution)