USGS M1898 Hamilton Bay, Keku Strait (Triassic of the United States)

Where: Alaska (56.9° N, 133.8° W: paleocoordinates 1.8° N, 72.0° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Hound Island Volcanics Formation, Norian (228.0 - 208.5 Ma)

• Alexander Terrane

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified limestone

• limestone and marl beds in volcanics

Size class: macrofossils

Preservation: cast, mold/impression

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 100920: authorized by Wolfgang Kiessling, entered by Uta Merkel on 14.12.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Pectinida - Monotidae