Anvil Points, Labandeira site, locality 41075 (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 C. Labandeira, D. Kohls in 1995; 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 138670: 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 - Mogoplistidae
Pteromogoplistes sp.1, Pteromogoplistes ? smithii1
Pteromogoplistes sp.1 Gorochov 2012 scaly cricket
USNM Kohls 27638/25945
Pteromogoplistes ? smithii1 Scudder 1890 scaly cricket
USNM Kohls 26047-AB
 Orthoptera - Gryllidae
Eogryllus unicolor1, Pronemobius ? tertiarius1
Eogryllus unicolor1 Gorochov 2012 field cricket
USNM Kohls 25940-AB, 27018-AC
Pronemobius ? tertiarius1 Scudder 1878 field cricket
USNM Kohls 27628-AB
 Orthoptera - Phalangopsidae
Eozacla problematica1
Eozacla problematica1 Gorochov 2012 spider cricket
USNM Kohls 30658-A
 Blattodea - Ectobiidae
Ectobius kohlsi2
Ectobius kohlsi2 Vršanský et al. 2014 croton bug
USNM 41075/27701, 25971, 31499, 41228
 Hymenoptera - Formicidae
Dolichoderus kohlsi, Mianeuretus eocenicus
Dolichoderus kohlsi Dlussky and Rasnitsyn 2002 ant
USNM 495945, 495952
Mianeuretus eocenicus Dlussky and Rasnitsyn 2002 ant
USNM 495957
1Gorochov and Labandeira 2012; 2Vršanský et al. 2014