Where: Colorado (39.6° N, 108.2° W: paleocoordinates 43.4° N, 94.6° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Green River Formation, Bridgerian (50.3 - 46.2 Ma)
Environment/lithology: lacustrine - large; diatomite
Size class: macrofossils
Preservation: mold/impression
Collected by T.D.A. Cockerell, J. Byram, Mrs. Cockerell in 1922; reposited in the USNM
Primary reference: T. D. A. Cockerell. 1925. Plant and insect fossils from the Green River Eocene of Colorado. Proceedings of the United States National Museum 66(19):1-13 [C. Labandeira/C. Labandeira/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 140189: authorized by Matthew Clapham, entered by Matthew Clapham on 05.03.2013
Creative Commons license: CC BY (attribution)
Taxonomic list
Insecta | |
Thamnotettix packardi n. sp.
| |
Cyttaromyia obdurescens n. sp.
Cyttaromyia obdurescens n. sp. Cockerell 1925 long bodied crane fly |