Also known as Loc. #12; 49ASa46

Where: North Slope County, Alaska (68.7° N, 163.0° W: paleocoordinates 76.5° N, 32.9° 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: marine; lithified sandstone and shale

Size class: macrofossils

Reposited in the USGS

Collection methods: quarrying,

• Collections reposited in USGS and USNM collections. Collected by E.G. Sable, 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 44364: authorized by Austin Hendy, entered by Austin Hendy on 08.09.2004

Creative Commons license: CC BY (attribution)