USGS 14897 - Casmalia Hills [Foxen Mudstone] (Pliocene to of the United States)

Also known as Woodring Loc. 149; W404

Where: Santa Barbara County, California (34.9° N, 120.5° W: paleocoordinates 34.6° N, 119.2° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Foxen Mudstone Formation, Zanclean to Zanclean (5.3 - 2.6 Ma)

• LITHOSTRATIGRAPHY: From the Foxen Mudstone, which overlies the Sisquoc Formation (late Miocene-early Pliocene) and underlies the Careaga Formation (late Pliocene). AGE: Early-middle Pliocene, on the basis of foraminiferal and microfossil biostratigraphy.

• group of beds-level stratigraphic resolution

Environment/lithology: offshore; poorly lithified mudstone

• PALEOENVIRONMENT: Established on the basis of faunal composition.
• LITHOLOGY: Mudstone. LITHIFICATION: Assumed on the basis of figured specimens.

Size class: macrofossils

Collected by W. Woodring; reposited in the USNM

Collection methods: surface (in situ),

• COLLECTORS: Not reported, but assumed to be W. Woodring. REPOSITORY: Smithsonian (USNM).

Primary reference: W. P. Woodring and M.N. Bramlette. 1950. Geology and paleontology of the Santa Maria District California. United States Geological Survey Professional Paper 222 [A. Miller/A. Hendy/A. Hendy]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 189550: authorized by Austin Hendy, entered by Austin Hendy on 30.10.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Exhaustive for macrofossils. NOMENCLATURE: Somewhat antiquated nomenclature.
Bivalvia
 Pectinida - Pectinoidae
Patinopecten healeyi Arnold 1906 scallop
 Ostreida - Ostreidae
"Ostrea vespertina" = Dendostrea vespertina
"Ostrea vespertina" = Dendostrea vespertina Conrad 1855 oyster
Ostrea cf. 0. vespertina
 Cardiida - Mactridae
"Schizothaerus cf. nuttallii" = Tresus nuttallii
"Schizothaerus cf. nuttallii" = Tresus nuttallii Conrad 1837 clam
Schizothaerus cf. S. nuttallii
 Hiatellida - Hiatellidae
"Panopea cf. generosa" = Panopea abrupta
"Panopea cf. generosa" = Panopea abrupta Conrad 1849 clam
Panope cf. P . generosa
Gastropoda
 Neogastropoda - Muricidae
Nucella lamellosa Gmelin 1791 murex snail
SUBSPECIES: Nucella lamellosa shumaneneis