Also known as LACMIP Loc. 10443

Where: San Juan County, Washington (48.7° N, 122.9° W: paleocoordinates 56.0° N, 88.8° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Late/Upper Campanian (83.5 - 70.6 Ma)

• STRATIGRAPHIC RELATIONS: From unknown lithostratigraphic unit. AGE: Late Campanian, on the basis of ammonite biostratigraphy. STRATIGRAPHIC POSITION: Sandy shales stratigraphically 50-40 ft above the basal conglomerate.

• bed-level stratigraphic resolution

Environment/lithology: coastal; lithified, sandy shale

Size class: macrofossils

Preservation: cast, mold/impression

Collected by Durbin et al in 1935; reposited in the LACM

Collection methods: surface (in situ),

• COLLECTOR: R. Durbin & H. L. and W. P. Popenoe. REPOSITORY: CIT (at the time of writing).

Primary reference: T. Matsumoto. 1960. Upper Cretaceous ammonites of California. Part III. Memoirs of the Faculty of Science, Kyushu University Series D, Geology, Special Volume II 1-204 [A. Hendy/A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 86869: authorized by Austin Hendy, entered by Austin Hendy on 22.02.2009

Creative Commons license: CC BY (attribution)