Also known as Loc. 36 (of Kennedy et al. 2000)
Where: Larimer County, Colorado (40.7° N, 105.5° W: paleocoordinates 47.2° N, 74.9° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Exiteloceras jenneyi ammonoid zone, Pierre Shale Formation, Late/Upper Campanian (83.5 - 70.6 Ma)
• STRATIGRAPHIC RELATIONS: From the Pierre Shale, for which lithostratigraphic relations are not discussed. AGE: Late Campanian, on the basis of ammonoid biostratigraphy; Exiteloceras jenneyi zone. STRATIGRAPHIC POSITION: From unknown position within the formation.
• bed-level stratigraphic resolution
Environment/lithology: marine; lithified shale
Size class: macrofossils
Preservation: mold/impression, concretion
Collected by Scott & Cobban in 1960; reposited in the USNM
Collection methods: surface (in situ),
• COLLECTOR: Scott and Cobban, 1960. REPOSITORY: USNM.
Primary reference: W. J. Kennedy, N. H. Landman, W. A. Cobban and G.R. Scott. 2000. Late Campanian (Cretaceous) heteromorph ammonites. Bulletin of the American Museum of Natural History 251:1-88 [A. Hendy/A. Hendy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 88454: authorized by Austin Hendy, entered by Austin Hendy on 12.04.2009
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
Exiteloceras jenneyi Whitfield 1877 ammonite |