Where: Los Angeles County, California (33.7° N, 118.3° W: paleocoordinates 33.7° N, 118.3° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Timms Point Silt Formation, Middle Pleistocene (0.8 - 0.1 Ma)
• LITHOSTRATIGRAPHY: From the Timms Point Silt, which is locally overlain by the San Pedro Sand, and overlies at 2nd St the Lomita Marl. AGE: Lower Pleistocene in Woodring et al. (1946) and Valentine PhD, but is now regarded as Middle Pleistocene [A. Hendy]. STRATIGRAPHIC POSITION: From Unit 1 of Timms Point Silt.
• bed-level stratigraphic resolution
Environment/lithology: offshore; poorly lithified siltstone
Size classes: macrofossils, mesofossils
Preservation: original aragonite, original calcite
Collection methods: surface (float), surface (in situ)
• COLLECTOR: Unknown, but likely A. Clark and others REPOSITORY: Unknown, but possibly UCLA [=LACMIP]
Primary reference: A. Clark. 1930. Pliocene beds at Timms Point, San Pedro, California. Geological Society America Bulletin 41(1):210-210 [A. Hendy/A. Hendy]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 223327: authorized by Austin Hendy, entered by Austin Hendy on 08.11.2021
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
Nuculana minuta praecursor pointed nut clam | |
Chlamys islandicus jordani scallop | |
unclassified | |
Gastropoda | |
"Tegula montereyi" = Chlorostoma montereyi, "Calliostoma doliarium" = Calliostoma canaliculatum
"Tegula montereyi" = Chlorostoma montereyi Kiener 1850 top snail
"Calliostoma doliarium" = Calliostoma canaliculatum Lightfoot 1786 top snail | |
"Solariella permabilis" = Minolia peramabilis
"Solariella permabilis" = Minolia peramabilis Carpenter 1864 snail | |
Epitonium indianorum Carpenter 1864 wentletrap | |
Turritella cooperi Carpenter 1864 turret shell | |
"Neverita reclusiana" = Glossaulax reclusiana, "Natica clausa" = Cryptonatica affinis
"Neverita reclusiana" = Glossaulax reclusiana Deshayes 1839 moon snail
"Natica clausa" = Cryptonatica affinis Gmelin 1791 moon snail | |
"Conus californicus" = Californiconus californicus
"Conus californicus" = Californiconus californicus Reeve 1844 cone shell | |
"Olivella biplicata" = Callianax biplicata
"Olivella biplicata" = Callianax biplicata Sowerby 1825 olive snail | |
"Mitrella carinata gausapata" = Mitrella gausapata, Amphissa reticulata
"Mitrella carinata gausapata" = Mitrella gausapata Gould 1850 snail
Amphissa reticulata Dall 1916 snail | |
"Neptunea tabulata" = Neptunea (Sulcosipho) tabulata
"Neptunea tabulata" = Neptunea (Sulcosipho) tabulata Baird 1863 true whelk | |
Barbarofusus barbarensis Trask 1855 snail | |
""Nassa" mendicus" = Hima mendica, ""Nassa" perpinguis" = Caesia perpinguis
""Nassa" mendicus" = Hima mendica Gould 1849 snail
""Nassa" perpinguis" = Caesia perpinguis Hinds 1844 snail | |
Boreotrophon stuarti Smith 1880 murex snail | |
"Bittium rugatum" = Lirobittium rugatum
"Bittium rugatum" = Lirobittium rugatum Carpenter 1866 snail | |
Acteocina culcitella Gould 1853 barrel-bubble | |
Scaphopoda | |
"Cadulus fusiformis" = Gadila aberrans
"Cadulus fusiformis" = Gadila aberrans Whiteaves 1887 tusk shell | |
Bivalvia | |
Chlamys hastata Sowerby 1842 scallop | |
"Modiolus fornicatus" = Modiolus carpenteri
"Modiolus fornicatus" = Modiolus carpenteri Soot-Ryen 1963 mussel | |
Cyclocardia sp. Conrad 1867 clam | |
Pandora grandis Dall 1877 clam | |
"Thracia trapezoides" = Thracia (Homoeodesma) trapezoides
"Thracia trapezoides" = Thracia (Homoeodesma) trapezoides Conrad 1849 clam | |
Panomya ampla, "Panope generosa" = Panopea generosa
Panomya ampla Dall 1898 clam
"Panope generosa" = Panopea generosa Gould 1850 clam | |
Solen sicarius Gould 1850 clam | |
"Semele incongrua" = Semele (Amphidesma) venusta
"Semele incongrua" = Semele (Amphidesma) venusta Reeve 1853 clam | |
"Tellina buttoni" = Ameritella modesta, "Macoma calcarea" = Macoma (Macoma) calcarea
"Tellina buttoni" = Ameritella modesta Carpenter 1864 tellin clam
"Macoma calcarea" = Macoma (Macoma) calcarea Gmelin 1792 tellin clam | |
"Psephidia cymata" = Nutricola cymata, "Psephidia ovalis" = Nutricola ovalis
"Psephidia cymata" = Nutricola cymata Dall 1913 venus clam
"Psephidia ovalis" = Nutricola ovalis Dall 1902 venus clam | |
"Axinopsis viridus" = Axinopsida serricata, "Thyasira gouldi" = Thyasira flexuosa
"Axinopsis viridus" = Axinopsida serricata Carpenter 1864 clam
"Thyasira gouldi" = Thyasira flexuosa Montagu 1803 clam | |
Lucinisca nuttalli Conrad 1837 clam
"Lucinoma annulata" = Lucinoma annulatum Reeve 1850 clam
Parvilucina tenuisculpta Carpenter 1864 clam | |
"Acila castrensis" = Acila (Truncacila) castrensis
"Acila castrensis" = Acila (Truncacila) castrensis Hinds 1843 divaricate nutclam | |
"Nuculana taphria" = Saccella taphria
"Nuculana taphria" = Saccella taphria Dall 1896 pointed nut clam |