Also known as USGS 12263, W119-30
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: Lomita Marl Formation, Middle Pleistocene (0.8 - 0.1 Ma)
• LITHOSTRATIGRAPHY: From the Lomita Marl, which is locally overlain by the Timms Point Silt and San Pedro Sand. AGE: Early Pleistocene in Woodring et al. (1946) and Valentine PhD, but is now regarded as Middle Pleistocene [A. Hendy]. STRATIGRAPHIC POSITION: From unknown position within Lomita marl.
• bed-level stratigraphic resolution
Environment/lithology: offshore; unlithified, sandy, calcareous marl
Size classes: macrofossils, mesofossils
Preservation: original aragonite, original calcite
Collected by W. Woodring in 1930; reposited in the USGS, USNM
Collection methods: surface (float), surface (in situ)
• COLLECTOR: W. Woodring, 1930. 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 202989: authorized by Austin Hendy, entered by Austin Hendy on 25.07.2019
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
Humilaria perlaminosa Conrad 1855 venus clam | |
"Eucrassatella fluctuata" = Hybolophus fluctuatus
"Eucrassatella fluctuata" = Hybolophus fluctuatus Carpenter 1864 clam |