Also known as Loc. #23; 50ASa251

Where: North Slope County, Alaska (68.6° N, 161.1° W: paleocoordinates 76.2° N, 35.7° W)

• coordinate stated in text

• outcrop-level geographic resolution

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

• About 75 to 100 ft above base of Okipruak Formation. Valanginian in age.

• bed-level stratigraphic resolution

Environment/lithology: coastal; lithified sandstone and conglomerate

Size class: macrofossils

Reposited in the USNM

Collection methods: quarrying,

• Collected by E.G. Sable, 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 44386: authorized by Austin Hendy, entered by Austin Hendy on 09.09.2004

Creative Commons license: CC BY (attribution)