USGS 2222 (Cretaceous of the United States)

Where: Shasta County, California (40.5° N, 122.6° W: paleocoordinates 39.3° N, 71.9° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Budden Canyon Formation, Hauterivian (132.9 - 129.4 Ma)

• STRATIGRAPHIC RELATIONS: From the Ono Fm. AGE: Hauterivian, on the basis of macrofossil biostratigraphy. STRATIGRAPHIC POSITION: From unknown position within formation.

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified siliciclastic sediments

• ENVIRONMENT: Not stated in text.
• SPECIFIC LITHOLOGY: Not stated, but probably siliciclastic. LITHIFICATION: Lithified on the basis of figured specimens.

Size class: macrofossils

Preservation: cast, mold/impression

Collected by Stanton in 1900; reposited in the USNM

Collection methods: surface (in situ),

• COLLECTORS: T.W. Stanton, 1900. REPOSITORY: USNM, Washington DC.

Primary reference: R. W. Imlay. 1960. Ammonites of Early Cretaceous age (Valanginian and Hauterivian) from the Pacific Coast states. United States Geological Survey Professional Paper 334(F):1-228 [A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 83587: authorized by Austin Hendy, entered by Austin Hendy on 22.08.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Exhaustive for ammonoidea. Other taxonomic groups may be present but are not listed. NOMENCLATURE: Authoritative publication, with fairly modern nomenclature, and species-resolution identifications.
Show authors, comments, and common names
Cephalopoda
 Ammonitida - Polyptychitidae
Hertleinites aguila
Hertleinites aguila Anderson 1938 ammonite