Woodring Loc. 58a - Western Ave [San Pedro Sand] (Pleistocene of the United States)

Also known as USGS 14069; W2-37

Where: Los Angeles County, California (33.8° N, 118.3° W: paleocoordinates 33.8° N, 118.3° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: San Pedro Sand Formation, Middle Pleistocene (0.8 - 0.1 Ma)

• LITHOSTRATIGRAPHY: From the San Pedro Sand, which is locally overlain by the Palos Verdes Sand. AGE: Lower Pleistocene in Woodring et al. (1946) and Valentine PhD, but is now regarded as Middle Pleistocene [A. Hendy]. STRATIGRAPHIC POSITION: Anomia-Ostrea layer in San Pedro Sand.

• bed-level stratigraphic resolution

Environment/lithology: coastal; unlithified sandstone

• ENVIRONMENT: Typically containing a innermost shelf-inner shelf fauna.
• SPECIFIC LITHOLOGY: Not listed, but generally a unconsolidated sand. LITHIFICATION: Not stated, but typically unlithified.

Size classes: macrofossils, mesofossils

Preservation: original aragonite, original calcite

Collected by W. Woodring in 1937; reposited in the USGS, USNM

Collection methods: surface (float), surface (in situ)

• COLLECTOR: W. Woodring, 1937. REPOSITORY: USGS, now Smithsonian.

Primary reference: W. P. Woodring, M. N. Bramlette, and W. S. W. Kew. 1946. Geology and Paleontology of Palos Verdes Hills, California. US Geological Survey Professional Paper 207:1-145 [M. Uhen/M. Shalap/M. Uhen]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 222938: authorized by Austin Hendy, entered by Austin Hendy on 29.10.2021, edited by Bethany Allen

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Exhaustive for molluscs. NOMENCLATURE: Updated to 1960s era, so somewhat antiquated but standardized and typically resolved to species resolution.
Gastropoda
 Sorbeoconcha - Naticidae
 Neogastropoda - Buccinidae
"Neptunea tabulata" = Neptunea (Sulcosipho) tabulata
"Neptunea tabulata" = Neptunea (Sulcosipho) tabulata Baird 1863 true whelk
 Cerithioidea - Turritellidae
Turritella cooperi Carpenter 1864 turret shell
 Trochoidea - Phasianellidae
"Tricolia compta" = Eulithidium comptum
"Tricolia compta" = Eulithidium comptum Gould 1855 snail
 Trochoidea - Trochidae
Tegula ligulata Menke 1850 top snail