USGS Loc. M252, Boulder Creek (Cretaceous of the United States)

Where: Jackson County, Oregon (42.6° N, 123.1° W: paleocoordinates 42.8° N, 78.0° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Albian (113.0 - 100.5 Ma)

• STRATIGRAPHIC RELATIONS: From unnamed lithostratigraphic unit. AGE: Albian, on the basis of ammonoid biostratigraphy. STRATIGRAPHIC POSITION: At elevation of 2,700-2,700'.

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified sandstone

• SPECIFIC LITHOLOGY: Sandstone. LITHIFICATION: Lithified, on the basis of figured specimens.

Size class: macrofossils

Preservation: cast, mold/impression

Collected by Jones in 1958; reposited in the USNM

Collection methods: surface (in situ),

• COLLECTOR: Jones, 1958. REPOSITORY: USNM.

Primary reference: D. L. Jones. 1960. Lower Cretaceous (Albian) fossils from southwestern Oregon and their paleogeographic significance. Journal of Paleontology 34(1):152-160 [A. Hendy/A. Hendy]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 88616: authorized by Austin Hendy, entered by Austin Hendy on 16.04.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Exhaustive for ammonoidea. NOMENCLATURE: Authoritative publication, with somewhat antiquated nomenclature, but with species-resolution identifications.
Show authors, comments, and common names
Bivalvia
 Trigoniida - Trigoniidae
Megatrigonia (Apiotrigonia) condoni