Where: Alaska (59.5° N, 160.6° W: paleocoordinates 45.7° N, 38.2° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Permian (298.9 - 251.9 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: lithified limestone

Size class: macrofossils

Collected by J.M. Hoare in 1952

Primary reference: E. G. Kauffman and B. Runnegar. 1975. Atomodesma (Bivalvia), and Permian species of the United States. Journal of Paleontology 49(1):23-41 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 120492: authorized by Matthew Clapham, entered by Matthew Clapham on 14.11.2011

Creative Commons license: CC BY (attribution)