USGS 24466 - Kukpowruk River, North Slope (Cretaceous of the United States)

Also known as Loc. #5; 49ACh99

Where: North Slope County, Alaska (69.2° N, 162.7° W: paleocoordinates 80.0° N, 92.3° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Kukpowruk Formation, Albian (113.0 - 100.5 Ma)

• Middle Albian in age. About 3340 ft above base.

• bed-level stratigraphic resolution

Environment/lithology: coastal; lithified shale and siltstone

• Shallow water, siliciclastic paleoenvironment
• Shale, siltstone, and sandstone.

Size class: macrofossils

Reposited in the USGS

Collection methods: quarrying,

• Collections reposited in USGS and USNM collections. Collected by R.M. Chapman, 1949

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 44319: 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 - Entoliidae
Entolium utukokense
Entolium utukokense Imlay 1961 scallop
 Cardiida - Arcticidae
? Arctica sp.
? Arctica sp. Schumacher 1817 clam