White River, opposite Canyon Butte (Eocene of the United States)

Where: Utah (40.0° N, 109.1° W: paleocoordinates 43.9° N, 95.6° W)

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

• "from the lowest beds"

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 152138: authorized by Matthew Clapham, entered by Matthew Clapham on 08.11.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Insecta
 Coleoptera - Curculionidae
Syntomostylus rudis Scudder 1893 snout beetle
USGS 457, 463
"? Neoptocus sp." = Neoptochus Horn 1876 snout beetle
USGS 544
"Eudiagogus terrosus" = Epicaerus terrosus Scudder 1878 snout beetle
USGS 468
Epicaerus exanimis Scudder 1876 snout beetle
USGS 496
Ophryastes petrarum Scudder 1893 snout beetle
USGS 507
Phyllobius carcerarius Scudder 1893 snout beetle
USGS 452(454)
Ophryastites digressus n. sp. Scudder 1893 snout beetle
USGS 487