Also known as Loc. 56 (of Kennedy et al. 2000)

Where: Pueblo County, Colorado (38.2° N, 104.5° W: paleocoordinates 44.6° N, 74.9° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Didymoceras stevensoni 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; Didymoceras stevensoni-Didymoceras cheyennense zone. STRATIGRAPHIC POSITION: From unknown position within formation.

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified, concretionary, ferruginous shale

Size class: macrofossils

Preservation: mold/impression, concretion

Collected by Scott & Cobban in 1957; reposited in the USNM

Collection methods: surface (in situ),

• COLLECTOR: Scott & Cobban, 1957. 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 88471: authorized by Austin Hendy, entered by Austin Hendy on 12.04.2009

Creative Commons license: CC BY (attribution)