Where: Colorado (39.4° N, 108.2° W: paleocoordinates 43.2° N, 94.7° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Green River Formation, Bridgerian (50.3 - 46.2 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: lacustrine - large; lithified lime mudstone
Size class: macrofossils
Preservation: adpression
Collected by D. Kohls in 1998; reposited in the USNM
Primary reference: G. M. Dlussky and A. P. Rasnitsyn. 2002. Ants (Hymenoptera: Formicidae) of Formation Green River and some other middle Eocene deposits of North America. Russian Entomological Journal 11:411-436 [M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 138685: authorized by Matthew Clapham, entered by Matthew Clapham on 25.01.2013
Creative Commons license: CC BY (attribution)
Taxonomic list
Insecta | |
| |
| |
Eozacla arachnomorpha n. sp.1
| |
| |
|