Where: Alaska (56.3° N, 158.5° W: paleocoordinates 70.4° N, 126.2° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Inoceramus schmidti inoceramid zone, Chignik Formation, Campanian (83.6 - 72.1 Ma)

• From 150 feet of gray to green sandstone at base of Chignik formation. Campanian. Inoceramus schmidti zone.

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified sandstone

Size class: macrofossils

Collected by A.S. Keller, J.T. Cass in 1955; reposited in the USNM

Primary reference: D. L. Jones. 1963. Upper Cretaceous (Campanian and Maestrichtian) ammonites from southern Alaska. United States Geological Survey Professional Paper 432:1-53 [L. Ivany/L. Ivany/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 158348: authorized by Matthew Clapham, entered by Matthew Clapham on 18.07.2014

Creative Commons license: CC BY (attribution)