Green River, near Bonanza (Eocene of the United States)

Where: Uintah County, Utah (40.0° N, 109.2° W: paleocoordinates 43.9° N, 95.7° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Green River Formation, Bridgerian (50.3 - 46.2 Ma)

Environment/lithology: lacustrine - large; lithified, diatomaceous shale

Size classes: macrofossils, mesofossils

Preservation: adpression

Collection methods: Repository: Institute of Systematics and Ecology of Animals, Siberian Branch, Russian Academy of Sciences, Novosibirsk (ISEA).

Primary reference: A. A. Legalov. 2013. A New Tribe of the Subfamily Cretonemonychinae (Coleoptera, Nemonychidae) from the Middle Eocene of the Green River. Paleontological Journal 47:410-413 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 149637: authorized by Matthew Clapham, entered by Matthew Clapham on 19.08.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Insecta
 Coleoptera - Nemonychidae
Eocaenonemonyx kuscheli n. sp. Legalov 2013 pine flower snout beetle
 Coleoptera - Curculionidae
Palaeomallerus longirostris n. gen. n. sp.2, Primocentron wickhami n. gen. n. sp.1
Palaeomallerus longirostris n. gen. n. sp.2 Legalov 2018 snout beetle
ISEZh 2012/5
Primocentron wickhami n. gen. n. sp.1 Legalov 2018 snout beetle
ISEZh 2011/4