Where: North Slope County, Alaska (68.6° N, 155.8° W: paleocoordinates 57.2° N, 46.0° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Otuk Formation, Norian (228.0 - 208.5 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: deep-water; lithified limestone and lithified chert

Size class: macrofossils

Reposited in the USGS

Primary reference: N. J. Silberling, J. A. Grant-Mackie, and K. M. Nichols. 1997. The Late Triassic bivalve Monotis in accreted terranes of Alaska. United States Geological Survey Bulletin 2151:1-21 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 85132: authorized by Wolfgang Kiessling, entered by Uta Merkel on 02.12.2008

Creative Commons license: CC BY (attribution)