White River, northern side (Eocene of the United States)

Where: Utah (40.0° N, 109.1° W: paleocoordinates 43.9° N, 95.5° W)

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

Environment/lithology: lacustrine - large; diatomaceous shale

Size classes: macrofossils, mesofossils

Preservation: adpression

Reposited in the USGS

Primary reference: S. H. Scudder. 1893. Tertiary Rhynchophorous Coleoptera of the United States. Monographs of the United States Geological Survey 21:1-206 [C. Labandeira/C. Labandeira/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 152137: authorized by Matthew Clapham, entered by Matthew Clapham on 08.11.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Insecta
 Coleoptera - Curculionidae
Procas vinculatus, "Aulobaris circumscripta" = Lithogeraeus circumscripta, "Aulobaris comminuta n. sp." = Lithogeraeus comminuta, Phyllobius carcerarius, Anthonomus soporus, Phyllobius avus, ? Ophryastes sp., "Phyxelis evigoratus" = Epicaerus evigoratus, Epicaerus effossus, "Scythropus subterraneus" = Epicaerus subterraneus, "Phyxelis eradicatus" = Epicaerus eradicatus, Epicaerus exanimis, "? Artipus receptus n. sp." = Limalophus receptus, Limalophus compositus, "Pachylobius deleticius n. sp." = Archaeoheilus deleticius
Procas vinculatus Scudder 1893 snout beetle
USGS 704
"Aulobaris circumscripta" = Lithogeraeus circumscripta Scudder 1893 snout beetle
USGS 707
"Aulobaris comminuta n. sp." = Lithogeraeus comminuta Scudder 1893 snout beetle
USGS 702, 703 (highest elevation at Colorado border), 397 (from fallen blocks)
Phyllobius carcerarius Scudder 1893 snout beetle
USGS 897
Anthonomus soporus Scudder 1890 snout beetle
USGS 604
Phyllobius avus Scudder 1893 snout beetle
USGS 701
? Ophryastes sp. Germar 1829 snout beetle
USGS 920
"Phyxelis evigoratus" = Epicaerus evigoratus Scudder 1893 snout beetle
USGS 898, 901
Epicaerus effossus Scudder 1876 snout beetle
USGS 962
"Scythropus subterraneus" = Epicaerus subterraneus Scudder 1893 snout beetle
USGS 705, 706, 889, 907, 908, 916, 924
"Phyxelis eradicatus" = Epicaerus eradicatus Scudder 1893 snout beetle
USGS 906
Epicaerus exanimis Scudder 1876 snout beetle
USGS 919(964)
"? Artipus receptus n. sp." = Limalophus receptus Scudder 1893 snout beetle
USGS 708
Limalophus compositus Scudder 1893 snout beetle
USGS 577
"Pachylobius deleticius n. sp." = Archaeoheilus deleticius Scudder 1893 snout beetle
USGS 709