Denson, locality 41679 (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: A. V. Gorochov and C. C. Labandeira. 2012. Eocene Orthoptera from Green River Formation of Wyoming (USA). Russian Entomological Journal 21:357-370 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 153998: authorized by Matthew Clapham, entered by Matthew Clapham on 22.01.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

Insecta
 Hemiptera - Tingidae
Gyaclavator kohlsi2 Wappler et al. 2015 lace bug
USNM 572502
 Blattodea - Ectobiidae
Ectobius kohlsi n. sp.1 Vrsansky et al. 2014 cockroach
USNM 41679/53274, 63476, 52833
 Orthoptera - Gryllidae
Trigonidiinae indet. Saussure 1874 true crickets
USNM Kohls 52909
Gryllinae indet. Laicharting 1781 field cricket
USNM Kohls 52966, 53017-AB
Pronemobius ? tertiarius Scudder 1878 field cricket
USNM Kohls 52531
? Eogryllus elongatus Gorochov 2012 field cricket
USNM Kohls 52512/52609
 Orthoptera - Mogoplistidae
Pteromogoplistes sp. Gorochov 2012 scaly cricket
USNM Kohls 52643
Pteromogoplistes ? smithii Scudder 1890 scaly cricket
USNM Kohls 52603