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 due to slumping.
• bed-level stratigraphic resolution
Environment/lithology: offshore; unlithified siltstone
Size classes: macrofossils, mesofossils
Preservation: original aragonite, original calcite
Collected by W. Woodring in 1928; reposited in the CIT, LACM
Collection methods: bulk, surface (float), surface (in situ),
• COLLECTOR: W. Woodring,1928. 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 202647: authorized by Austin Hendy, entered by Austin Hendy on 16.07.2019
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
Chlamys jordani, "Chlamys hastatus" = Chlamys hastata, ""Pecten" caurinus" = Patinopecten caurinus, "Pecten diegensis" = Leopecten diegensis
Chlamys jordani Arnold 1903 scallop
""Pecten" caurinus" = Patinopecten caurinus Gould 1850 scallop | |
"Volsella fornicata" = Modiolus carpenteri
"Volsella fornicata" = Modiolus carpenteri Soot-Ryen 1963 mussel | |
"Trachycardium quadragenarium" = Dallocardia quadragenarium, "Cerastoderma corbis" = Clinocardium (Clinocardium) nuttallii, ""Protocardia" centifilosa" = Nemocardium (Keenaea) centifilosum
"Trachycardium quadragenarium" = Dallocardia quadragenarium Conrad 1837 cockle
"Cerastoderma corbis" = Clinocardium (Clinocardium) nuttallii Conrad 1837 cockle
""Protocardia" centifilosa" = Nemocardium (Keenaea) centifilosum Carpenter 1864 cockle | |
"Macoma calcarea" = Macoma (Macoma) calcarea
"Macoma calcarea" = Macoma (Macoma) calcarea Gmelin 1792 tellin clam | |
"Semele rubropicta" = Semele (Semele) rubropicta, "Semele incongrua" = Semele (Amphidesma) venusta
"Semele rubropicta" = Semele (Semele) rubropicta Dall 1871 clam
"Semele incongrua" = Semele (Amphidesma) venusta Reeve 1853 clam | |
Diplodonta orbella Gould 1851 clam | |
"Venerella subdiaphana" = Compsomyax subdiaphana, "Saxidomus nuttallii" = Saxidomus nuttalli
"Venerella subdiaphana" = Compsomyax subdiaphana Carpenter 1864 venus clam
"Saxidomus nuttallii" = Saxidomus nuttalli Conrad 1837 venus clam | |
Solen sicarius Gould 1850 clam | |
Panopea generosa Gould 1850 clam
Panomya ampla Dall 1898 clam | |
Pandora grandis Dall 1877 clam | |
"Thracia trapezoides" = Thracia (Homoeodesma) trapezoides
"Thracia trapezoides" = Thracia (Homoeodesma) trapezoides Conrad 1849 clam | |
"Lucina annulata" = Lucinoma annulatum, "Lucina californica" = Epilucina californica
"Lucina annulata" = Lucinoma annulatum Reeve 1850 clam
"Lucina californica" = Epilucina californica Conrad 1837 clam | |
"Cardita ventricosa" = Coanicardita ventricosa
"Cardita ventricosa" = Coanicardita ventricosa Gould 1850 clam | |
"Yoldia scissurata" = Yoldia (Cnesterium) aeolica
"Yoldia scissurata" = Yoldia (Cnesterium) aeolica Valenciennes 1846 clam | |
"Acila castrensis" = Acila (Truncacila) castrensis
"Acila castrensis" = Acila (Truncacila) castrensis Hinds 1843 divaricate nutclam | |
Gastropoda | |
Fusitriton oregonensis Redfield 1846 triton shell | |
Barbarofusus barbarensis Trask 1855 snail | |
""Exilia" rectirostris" = Exilioidea rectirostris
""Exilia" rectirostris" = Exilioidea rectirostris Carpenter 1864 true whelk | |
"Crepidula lingulata" = Crepipatella lingulata
"Crepidula lingulata" = Crepipatella lingulata Gould 1846 slipper shell | |
"Turritella cooperi" = Turritella cooperi, "Turritella jewettii" = Turritella cooperi
"Turritella cooperi" = Turritella cooperi Carpenter 1864 turret shell
"Turritella jewettii" = Turritella cooperi Carpenter 1864 turret shell | |
Calliostoma canaliculatum Lightfoot 1786 top snail
Calliostoma annulatum Lightfoot 1786 top snail
"Tegula montereyi" = Chlorostoma montereyi Kiener 1850 top snail | |
"Homalopoma carpenteri" = Homalopoma (Homalopoma) luridum, Pomaulax gibberosa
"Homalopoma carpenteri" = Homalopoma (Homalopoma) luridum Dall 1885 snail
Pomaulax gibberosa Dillwyn 1817 red turban | |
Turcica caffea Gabb 1865 snail |