Also known as USGS 12220; W12-30
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 algal bed at level of floor at northwest end of quarry.
• 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 202968: authorized by Austin Hendy, entered by Austin Hendy on 24.07.2019
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
Cerithiopsis sp. Hanley 1849 snail | |
"Bursa californica" = Crossata ventricosa
"Bursa californica" = Crossata ventricosa Broderip 1833 frog shell | |
Maxwellia gemma, "Ocinebra coryphaena" = Ocinebrina coryphaena
Maxwellia gemma Sowerby 1879 murex snail
"Ocinebra coryphaena" = Ocinebrina coryphaena Woodring 1946 murex snail | |
Macron aethiops Reeve 1847 snail | |
""Nassa" insculpta" = Hima insculpta
""Nassa" insculpta" = Hima insculpta Carpenter 1864 snail | |
"Neptunea tabulata" = Neptunea (Sulcosipho) tabulata, "Kelletia kelleti" = Kelletia kelletii
"Neptunea tabulata" = Neptunea (Sulcosipho) tabulata Baird 1863 true whelk
"Kelletia kelleti" = Kelletia kelletii Forbes 1852 true whelk | |
"Harfordia monksae" = Harfordia robusta
"Harfordia monksae" = Harfordia robusta Trask 1855 snail | |
"Neverita reclusiana" = Glossaulax reclusiana, "Euspira lewisi" = Euspira lewisii
"Neverita reclusiana" = Glossaulax reclusiana Deshayes 1839 moon snail
"Euspira lewisi" = Euspira lewisii Gould 1847 moon snail | |
Amphithalamus inclusus Lozouet 1998 snail | |
"Rissoina aequisculpta" = Alvinia aequisculpta, Rissoina kelseyi
"Rissoina aequisculpta" = Alvinia aequisculpta Keep 1887 snail
Rissoina kelseyi Dall and Bartsch 1902 snail | |
"Lacuna variegata" = Lacuna (Epheria) variegata
"Lacuna variegata" = Lacuna (Epheria) variegata Carpenter 1864 periwinkle | |
"Pachypoma gibberosum" = Pomaulax gibberosa, "Homalopoma carpenteri" = Homalopoma (Homalopoma) luridum
"Pachypoma gibberosum" = Pomaulax gibberosa Dillwyn 1817 red turban
"Homalopoma carpenteri" = Homalopoma (Homalopoma) luridum Dall 1885 snail | |
"Tegula gallina" = Chlorostoma gallina
"Tegula gallina" = Chlorostoma gallina Forbes 1850 top snail | |
Bivalvia | |
"Antigona fordi" = Globivenus fordii
"Antigona fordi" = Globivenus fordii Yates 1890 venus clam | |
"Eucrassatella fluctuata" = Hybolophus fluctuatus
"Eucrassatella fluctuata" = Hybolophus fluctuatus Carpenter 1864 clam | |
"Cyclocardia occidentalis" = Coanicardita occidentalis
"Cyclocardia occidentalis" = Coanicardita occidentalis Conrad 1855 clam | |
Pomaulax undosus | |
"Pomaulax undosus" = Megastraea undosa
"Pomaulax undosus" = Megastraea undosa Wood 1828 | |
Megastraea turbanica | |
"Pomaulax petrothauma" = Megastraea turbanica
"Pomaulax petrothauma" = Megastraea turbanica Dall 1900 |