Where: Siskiyou County, California (41.9° N, 122.6° W: paleocoordinates 47.5° N, 86.7° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Subprionocyclus neptuni ammonoid zone, Late/Upper Turonian (93.5 - 89.3 Ma)

• LITHOSTRATIGRAPHIC RELATIONS: From an unnamed lithostratigraphic unit. AGE: upper Turonian, on the basis of ammonite biostratigraphy; Subprionocyclus neptuni zone. STRATIGRAPHIC POSITION: From presumably higher part of section in this area; 400 ft above zone of Metaplacenticeras.

• bed-level stratigraphic resolution

Environment/lithology: coastal; lithified, concretionary, shelly/skeletal siliciclastic sediments

Size class: macrofossils

Collected by Cunningham; reposited in the CAS

Collection methods: surface (in situ),

• COLLECTOR: B. L. Cunningham. REPOSITORY: California Academy of Science (CAS).

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 86810: authorized by Austin Hendy, entered by Austin Hendy on 18.02.2009, edited by Jonathan Marcot

Creative Commons license: CC BY (attribution)