Anvil Points, Kohls site, locality 41089 (Eocene of the United States)

Where: Colorado (39.5° N, 108.0° W: paleocoordinates 43.3° N, 94.5° 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

• Laramide-style block faulting

Size class: macrofossils

Preservation: adpression

Collected by D. Kohls; 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 138674: authorized by Matthew Clapham, entered by Matthew Clapham on 25.01.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Insecta
 Orthoptera - Gryllidae
? Eneopterinae indet.2, Gryllinae indet.2, Pronemobius ? tertiarius2
? Eneopterinae indet.2 Saussure 1874 bush cricket
USNM Kohls 87679
Gryllinae indet.2 Laicharting 1781 field cricket
USNM Kohls 17
Pronemobius ? tertiarius2 Scudder 1878 field cricket
USNM Kohls 536A
 Hymenoptera - Formicidae
Dolichoderus kohlsi, Eoformica pinguis
Dolichoderus kohlsi Dlussky and Rasnitsyn 2002 ant
USNM 495961
Eoformica pinguis Scudder 1877 ant
USNM 495962
 Coleoptera - Curculionidae
Baridinae "indet. 1"1
Baridinae "indet. 1"1 Schoenherr 1836 snout beetle
USNM Kohls 12
1Davis and Engel 2010; 2Gorochov and Labandeira 2012