Where: Colorado (39.8° N, 108.1° W: paleocoordinates 42.5° N, 97.0° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Parachute Creek Member (Green River Formation), Uintan (46.2 - 40.4 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: lacustrine - large; lithified mudstone
Size class: macrofossils
Preservation: adpression
Collected by Bob Hammon; reposited in the USNM
Primary reference: S. J. Fitzgerald. 1999. A new species of Plecia from the Green River Formation and new combinations of fossil Bibionidae (Diptera). Great Basin Naturalist 59:182-187 [M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 138790: authorized by Matthew Clapham, entered by Matthew Clapham on 27.01.2013
Creative Commons license: CC BY (attribution)
Taxonomic list
Insecta | |
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