Where: New Mexico (36.5° N, 106.8° W: paleocoordinates 43.3° N, 77.3° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Lewis Shale Formation, Campanian (83.6 - 72.1 Ma)

• STRATIGRAPHIC RELATIONS: From the Lewis Shale, for which lithostratigraphic relations are not discussed. AGE: Campanian, on the ammonoid biostratigraphy; Baculites gregoryensis zone. STRATIGRAPHIC POSITION: From unknown position within the formation.

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified limestone

Size class: macrofossils

Reposited in the USNM

Collection methods: surface (in situ),

• COLLECTOR: Dane, Landis, Cobban, 1964. REPOSITORY: USNM.

Primary reference: W. A. Cobban, E. R. Landis, and C. H. Dane. 1974. Age relations of upper part of Lewis Shale on east side of San Juan Basin, New Mexico. New Mexico Geological Society Guidebook, 25th Field Conference, Ghost Ranch 279-282 [A. Hendy/A. Hendy/A. Hendy]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 88552: authorized by Austin Hendy, entered by Austin Hendy on 14.04.2009

Creative Commons license: CC BY (attribution)