USGS 22481 - Iligluruk Creek, North Slope (Cretaceous of the United States)

Also known as Loc. #19; 50ASa52A

Where: North Slope County, Alaska (68.7° N, 161.5° W: paleocoordinates 76.2° N, 34.8° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Okpikruak Formation, Valanginian (139.8 - 132.9 Ma)

• Valanginian in age.

• bed-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified, shelly/skeletal limestone and siltstone

• Shallow water, possibly litoral.
• Coquinoid limestone interbedded with siltstone and sandstone.

Size class: macrofossils

Reposited in the USGS

Collection methods: quarrying,

• Collections reposited in USGS and USNM collections. Collected by E.G. Sable, 1950.

Primary reference: R. W. Imlay. 1961. Characteristic lower Cretaceous megafossils from northern Alaska. United States Geological Survey Professional Paper 335 [A. Miller/A. Hendy/M. Clapham]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 44363: authorized by Austin Hendy, entered by Austin Hendy on 08.09.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

• Exhaustive.
Show authors, comments, and common names
Bivalvia
 Pectinida - Buchiidae
"Aucella sublaevis" = Buchia
"Aucella sublaevis" = Buchia scallop