Where: Los Angeles County, California (33.7° N, 118.3° W: paleocoordinates 33.7° N, 118.3° W)
• coordinate estimated from map
• small collection-level geographic resolution
When: Timms Point Silt Formation, Middle Pleistocene (0.8 - 0.1 Ma)
• LITHOSTRATIGRAPHY: From "Timms Point beds", which locally overly Miocene shale. AGE: Pleistocene, following Clark (1931), but edited to middle Pleistocene by enterer on the basis of established modern age control. STRATIGRAPHIC DETAILS: 30 ft stratigraphically above bed no. 2. Thyasira disjuncts abundant here.
• bed-level stratigraphic resolution
Environment/lithology: offshore; unlithified siltstone
Size classes: macrofossils, mesofossils
Preservation: original aragonite, original calcite
Reposited in the CIT, LACM
Collection methods: bulk, surface (float), surface (in situ),
• COLLECTOR: unknown. REPOSITORY: LACMIP, including former CIT collections.
Primary reference: A. Clark. 1931. The cool-water Timms Point Pleistocene horizon at San Pedro, California. Transactions of the San Diego Society of Natural History 7:25-42 [A. Hendy/A. Hendy]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 202643: authorized by Austin Hendy, entered by Austin Hendy on 16.07.2019
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
""Pecten" caurinus" = Patinopecten caurinus
""Pecten" caurinus" = Patinopecten caurinus Gould 1850 scallop | |
"Macoma calcarea" = Macoma (Macoma) calcarea
"Macoma calcarea" = Macoma (Macoma) calcarea Gmelin 1792 tellin clam | |
"Venerella subdiaphana" = Compsomyax subdiaphana
"Venerella subdiaphana" = Compsomyax subdiaphana Carpenter 1864 venus clam | |
"Thracia trapezoides" = Thracia (Homoeodesma) trapezoides
"Thracia trapezoides" = Thracia (Homoeodesma) trapezoides Conrad 1849 clam | |
"Thyasira disjuncta" = Conchocele bisecta
"Thyasira disjuncta" = Conchocele bisecta Conrad 1849 clam | |
"Lucina annulata" = Lucinoma annulatum
"Lucina annulata" = Lucinoma annulatum Reeve 1850 clam | |
"Cardita ventricosa" = Coanicardita ventricosa
"Cardita ventricosa" = Coanicardita ventricosa Gould 1850 clam | |
Gastropoda | |
"Olivella biplicata" = Callianax biplicata
"Olivella biplicata" = Callianax biplicata Sowerby 1825 olive snail | |
"Neptunea tabulata" = Neptunea (Sulcosipho) tabulata
"Neptunea tabulata" = Neptunea (Sulcosipho) tabulata Baird 1863 true whelk | |
Bittium sp. Gray 1847 cerith snail |