Where: Alaska (61.5° N, 143.1° W: paleocoordinates 55.2° N, 84.3° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Kennicott Formation, Early/Lower Albian (112.0 - 109.0 Ma)

• within 200-300 feet at the base of the formation

• group of beds-level stratigraphic resolution

Environment/lithology: marginal marine; gray shale and brown sandstone

Size class: macrofossils

Reposited in the USGS

Primary reference: R. W. Imlay. 1959. New genera of early Cretaceous (Albian) Ammonites from Alaska. Journal of Paleontology 33(1):179-185 [M. Aberhan/M. Aberhan/S. Nurnberg]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 38513: authorized by Martin Aberhan, entered by Sabine Nürnberg on 23.04.2004

Creative Commons license: CC BY (attribution)