Where: Alaska (61.5° N, 143.3° W: paleocoordinates 55.3° N, 84.5° 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 38501: authorized by Martin Aberhan, entered by Sabine Nürnberg on 23.04.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
Anagaudryceras aurarium Anderson 1938 ammonite | |
Moffitites robustus n. gen. n. sp.
Moffitites robustus n. gen. n. sp. Imlay 1959 ammonite | |
"Puzosigella spp." = Leconteites, Leconteites modestus, "Leconteites deansii" = Leconteites deansi, Callizoniceras sp.
"Puzosigella spp." = Leconteites Casey 1954 ammonite
Leconteites modestus Anderson 1938 ammonite
"Leconteites deansii" = Leconteites deansi Whiteaves 1893 ammonite
Callizoniceras sp. ammonite | |
Ptychoceras cf. laeve Gabb 1869 ammonite | |
Bivalvia | |
Aucellina sp. Pompeckj 1901 scallop |