Where: Rio Blanco County, Colorado (40.2° N, 109.0° W: paleocoordinates 44.1° N, 95.4° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Green River Formation, Bridgerian (50.3 - 46.2 Ma)
Environment/lithology: lacustrine - large; lithified shale
Size classes: macrofossils, mesofossils
Preservation: mold/impression, adpression
Collected by Earl Douglass
Primary reference: F. M. Carpenter. 1930. The Fossil Ants of North America. Bulletin of the Museum of Comparative Zoology, Harvard University 70:1-66 [C. Labandeira/C. Labandeira/M. Kosnik]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 138651: authorized by Matthew Clapham, entered by Matthew Clapham on 23.01.2013
Creative Commons license: CC BY (attribution)
Taxonomic list
Insecta | |
"Eoformica pingue" = Eoformica pinguis
"Eoformica pingue" = Eoformica pinguis Scudder 1877 ant |