USGS 14647 - Graciosa Ridge [Careaga Sandstone] (Pleistocene of the United States)

Also known as Woodring Loc. 172; W660

Where: Santa Barbara County, California (34.8° N, 120.4° W: paleocoordinates 34.7° N, 119.8° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Cebada Member (Careaga Sandstone Formation), Gelasian (2.6 - 1.8 Ma)

• LITHOSTRATIGRAPHY: From the Cebada Member of the Careaga Sandstone, which overlies the Foxen Mudstone (mid-late Pliocene) and underlies the Paso Robles Fm (Pleistocene). AGE: Late Pliocene, on the basis of foraminiferal and microfossil biostratigraphy.

• group of beds-level stratigraphic resolution

Environment/lithology: offshore; poorly lithified, silty sandstone

• PALEOENVIRONMENT: Established on the basis of faunal composition.
• LITHOLOGY: Fine-grained sandstone. LITHIFICATION: Assumed poorly lithified on the basis of figured specimens.

Size classes: macrofossils, mesofossils

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 222:1-185 [A. Miller/A. Hendy/S. Ávila]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 189759: authorized by Austin Hendy, entered by Austin Hendy on 05.11.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Exhaustive for macrofossils. NOMENCLATURE: Somewhat antiquated nomenclature.
Gastropoda
 Neotaenioglossa - Calyptraeidae
Crepidula princeps Conrad 1855 slipper shell
 Cerithioidea - Turritellidae
Turritella cooperi Carpenter 1864 turret shell
 Sorbeoconcha - Naticidae
Cryptonatica affinis Gmelin 1791 moon snail
 Sorbeoconcha - Procerithiidae
"Bittium casmaliense" = Lirobittium casmaliense
"Bittium casmaliense" = Lirobittium casmaliense Bartsch 1911 snail
Bivalvia
 Arcida - Arcidae
Anadara cf. trilineata Conrad 1856 ark
 Pectinida - Pectinoidae
"Patinopecten dilleri" = Lituyapecten dilleri
"Patinopecten dilleri" = Lituyapecten dilleri Dall 1901 scallop
 Lucinida - Lucinidae
"Lucinoma cf. annulata" = Lucinoma annulatum
"Lucinoma cf. annulata" = Lucinoma annulatum Reeve 1850 clam
 Cardiida - Semelidae
Cumingia cf. californica Conrad 1837 clam
 Carditida - Carditidae
"Cyclocardia californica" = Coanicardita californica
"Cyclocardia californica" = Coanicardita californica Dall 1903 clam