Alaska, Kennicott Formation, USGS Mes. loc. 14471 (Cretaceous of the United States)

Where: Alaska (61.5° N, 143.2° W: paleocoordinates 55.3° N, 84.4° 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 38509: authorized by Martin Aberhan, entered by Sabine N├╝rnberg on 23.04.2004, edited by Austin Hendy

Creative Commons license: CC BY (attribution)

Taxonomic list

 Pectinida - Buchiidae
Aucellina sp. Pompeckj 1901 scallop
 Ammonitida - Desmoceratidae
Kennicottia bifurcata Imlay 1959 ammonite
 Ammonitida - Gaudryceratidae
Anagaudryceras aurarium Anderson 1938 ammonite
 Ammonitida - Cleoniceratidae
Leconteites modestus Anderson 1938 ammonite
 Ammonitida - Ptychoceratidae
Ptychoceras cf. laeve Gabb 1869 ammonite
 Ammonoidea -
Puzosigella spp. Casey 1954 ammonite