Bluffs at head of Twin Creek (Peale collection) (Eocene of the United States)

Where: Wyoming (41.8° N, 110.8° W)

• Paleocoordinates: 50.2° N, 84.1° W (Wright 2013)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Fossil Butte Member (Green River Formation), Wasatchian (54.9 - 50.5 Ma)

Environment/lithology: lacustrine - large; shale

Size classes: macrofossils, mesofossils

Preservation: adpression

Collected by A.C. Peale

Primary reference: S. H. Scudder. 1890. The Tertiary Insects of North America. Report of the United States Geological Survey of the Territories XIII:1-734 [C. Labandeira/C. Labandeira/L. Edwards]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 122174: authorized by Matthew Clapham, entered by Jered Karr on 18.12.2011

Creative Commons license: CC0 (CC0)

Taxonomic list

• "As a rule the insects are scarce, and, like the fish, belong to a very limited number of species, in this case mostly Coleoptera and Diptera". Scudder, 1890
Show authors, comments, and common names
Insecta
 Hemiptera - Cicadellidae
Coelidia wyomingensis n. sp.
Coelidia wyomingensis n. sp. Scudder 1890 leafhopper
Peale 6b
 Hemiptera - Gerridae
Telmatrechus parallelus n. sp.
Telmatrechus parallelus n. sp. Scudder 1890 water strider
14601, 15076
 Diptera - Bibionidae
Plecia pealei n. sp.
Plecia pealei n. sp. Scudder 1890 love bug
found by Peale in 1877 in dark shale