Woodring Loc. 196 - Casmalia Hills [Careaga Sandstone] (Pleistocene of the United States)

Where: Santa Barbara County, California (34.7° N, 120.4° W: paleocoordinates 34.6° N, 119.8° W)

• coordinate estimated from map

• outcrop-level geographic resolution

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

• LITHOSTRATIGRAPHY: From the Graciosa 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 macrofossil 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 207661: authorized by Austin Hendy, entered by Austin Hendy on 27.01.2020

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Exhaustive for macrofossils. NOMENCLATURE: Somewhat antiquated nomenclature.
Thecostraca
 Balanomorpha - Balanidae
"Balanus cf. aquila" = Tamiosoma gregaria
"Balanus cf. aquila" = Tamiosoma gregaria Conrad 1856 barnacle
Gastropoda
 Trochoidea - Trochidae
"Calliostoma virgineum" = Calliostoma annulatum
"Calliostoma virgineum" = Calliostoma annulatum Lightfoot 1786 top snail
 Neogastropoda - Nassariidae
""Nassa" waldorfensis" = Caesia californiana
""Nassa" waldorfensis" = Caesia californiana Conrad 1856 snail
Bivalvia
 Pholadida - Pholadidae
Zirfaea cf. pilsbryi Lowe 1931 clam
 Cardiida - Cardiidae
"Cerastoderma cf. meekianum" = Clinocardium (Clinocardium) meekianum
"Cerastoderma cf. meekianum" = Clinocardium (Clinocardium) meekianum Gabb 1866 cockle
 Cardiida - Veneridae
"Protothaca staleyi" = Leukoma staleyi, "Pachydesma crassatelloides" = Tivela (Pachydesma) stultorum
"Protothaca staleyi" = Leukoma staleyi Gabb 1866 venus clam
"Pachydesma crassatelloides" = Tivela (Pachydesma) stultorum Mawe 1823 venus clam
 Carditida - Carditidae
"Cyclocardia californica" = Coanicardita californica
"Cyclocardia californica" = Coanicardita californica Dall 1903 clam
 Arcida - Glycymerididae
 Ostreida - Ostreidae
"Ostrea vespertina" = Dendostrea vespertina
"Ostrea vespertina" = Dendostrea vespertina Conrad 1855 oyster