USGS 22499 - North Slope (Okipruak Formation) (Cretaceous of the United States)

Also known as Loc. #27; 50AMg193

Where: North Slope County, Alaska (68.5° N, 161.1° W: paleocoordinates 80.0° N, 38.3° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Okipruak Formation, Berriasian (145.0 - 139.8 Ma)

• Berriasian in age.

• bed-level stratigraphic resolution

Environment/lithology: coastal; lithified wackestone

• Shallow water, possibly even littoral.
• Graywacke.

Size class: macrofossils

Reposited in the USNM

Collection methods: quarrying,

• Collected by M.D. Mangus, 1950. Collections held in USGS and USNM.

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 44381: authorized by Austin Hendy, entered by Austin Hendy on 09.09.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

• Representative, but not exhaustive. Depauperate fauna.
Show authors, comments, and common names
Bivalvia
 Pectinida - Buchiidae
"Aucella okensis" = Buchia okensis
"Aucella okensis" = Buchia okensis Pavlow 1907 scallop