Also known as LACMIP loc. 6990
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: Stratigraphic position uncertain.
• group of beds-level stratigraphic resolution
Environment/lithology: offshore; unlithified siltstone
Size classes: macrofossils, mesofossils
Preservation: original aragonite, original calcite
Collected in 1929; reposited in the CIT, LACM
Collection methods: bulk, surface (float), surface (in situ),
• COLLECTOR: Multiple student collectors, 1929. 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 202648: authorized by Austin Hendy, entered by Austin Hendy on 16.07.2019
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Rhynchonellata | |
| |
Gymnolaemata | |
Cellaria mandibulata Hincks 1882 | |
Microporella cf. ciliata Pallas 1766 | |
Stenolaemata | |
Idmonea californica Conrad 1855 | |
Gastropoda | |
"Turritella cooperi" = Turritella cooperi, "Turritella jewettii" = Turritella cooperi
"Turritella cooperi" = Turritella cooperi Carpenter 1864 turret shell
"Turritella jewettii" = Turritella cooperi Carpenter 1864 turret shell | |
"Spiroglyphus lituellus" = Dendropoma lituella
"Spiroglyphus lituellus" = Dendropoma lituella Morch 1861 worm shell | |
"Tectonatica clausa" = Cryptonatica affinis
"Tectonatica clausa" = Cryptonatica affinis Gmelin 1791 moon snail | |
Fusitriton oregonensis Redfield 1846 triton shell | |
"Mitra idae" = Mitra (Atrimitra) idae
"Mitra idae" = Mitra (Atrimitra) idae Melville 1893 mitre shell | |
| |
Borsonella bartschi Arnold 1903 snail | |
"Nassarius perpinguis" = Caesia perpinguis, "Nassarius mendicus" = Hima mendica
"Nassarius perpinguis" = Caesia perpinguis Hinds 1844 snail
"Nassarius mendicus" = Hima mendica Gould 1849 snail | |
""Exilia" rectirostris" = Exilioidea rectirostris, "Neptunea tabulata" = Neptunea (Sulcosipho) tabulata
""Exilia" rectirostris" = Exilioidea rectirostris Carpenter 1864 true whelk
"Neptunea tabulata" = Neptunea (Sulcosipho) tabulata Baird 1863 true whelk | |
Barbarofusus barbarensis Trask 1855 snail | |
| |
"Olivella biplicata" = Callianax biplicata
"Olivella biplicata" = Callianax biplicata Sowerby 1825 olive snail | |
"Bittium larum" = Lirobittium larum, Lirobittium latifilosum2, "Bittium cf. rugatum" = Lirobittium rugatum
"Bittium larum" = Lirobittium larum Bartsch 1911 snail
"Bittium cf. rugatum" = Lirobittium rugatum Carpenter 1866 snail | |
"Antiplanes perversa" = Antiplanes catalinae
"Antiplanes perversa" = Antiplanes catalinae Raymond 1904 snail | |
Turcica caffea Gabb 1865 snail | |
"Margarites optabilis" = Lirularia optabilis, Calliostoma annulatum
"Margarites optabilis" = Lirularia optabilis Carpenter 1864 top snail
Calliostoma annulatum Lightfoot 1786 top snail | |
"Puncturella cucullata" = Craniopsis cucullata
"Puncturella cucullata" = Craniopsis cucullata Gould 1846 puncturella | |
Bivalvia | |
| |
"Acila castrensis" = Acila (Truncacila) castrensis
"Acila castrensis" = Acila (Truncacila) castrensis Hinds 1843 divaricate nutclam | |
""Pecten" caurinus" = Patinopecten caurinus Gould 1850 scallop
Chlamys jordani Arnold 1903 scallop | |
"Lucina annulata" = Lucinoma annulatum, "Lucina tenuisculpta" = Parvilucina tenuisculpta
"Lucina annulata" = Lucinoma annulatum Reeve 1850 clam
"Lucina tenuisculpta" = Parvilucina tenuisculpta Carpenter 1864 clam | |
"Axinopsis viridis" = Axinopsida serricata
"Axinopsis viridis" = Axinopsida serricata Carpenter 1864 clam | |
""Protocardia" centifilosa" = Nemocardium (Keenaea) centifilosum, "Cerastoderma corbis" = Clinocardium (Clinocardium) nuttallii
""Protocardia" centifilosa" = Nemocardium (Keenaea) centifilosum Carpenter 1864 cockle
"Cerastoderma corbis" = Clinocardium (Clinocardium) nuttallii Conrad 1837 cockle | |
"Macoma calcarea" = Macoma (Macoma) calcarea, "Tellina buttoni" = Ameritella modesta
"Macoma calcarea" = Macoma (Macoma) calcarea Gmelin 1792 tellin clam
"Tellina buttoni" = Ameritella modesta Carpenter 1864 tellin clam | |
"Pseudochama exogyra" = Chama exogyra
"Pseudochama exogyra" = Chama exogyra Conrad 1837 jewel box | |
"Psephidia cymata" = Nutricola cymata, "Psephidia ovalis" = Nutricola ovalis, "Venerella subdiaphana" = Compsomyax subdiaphana
"Psephidia cymata" = Nutricola cymata Dall 1913 venus clam
"Psephidia ovalis" = Nutricola ovalis Dall 1902 venus clam
"Venerella subdiaphana" = Compsomyax subdiaphana Carpenter 1864 venus clam | |
"Cardita ventricosa" = Coanicardita ventricosa
"Cardita ventricosa" = Coanicardita ventricosa Gould 1850 clam |