CIT Loc. 77: Middle Pleistocene, California
collected by W. Woodring 1928

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Monia macrochisma Deshayes 1839
R category
Rhynchonellata - Terebratulida - Laqueidae
Laqueus californicus (Koch 1848)
R category
SUBSPECIES: Laqueus californicus vancouverensis
Rhynchonellata - Terebratulida - Terebrataliidae
Dallinella cf. hemphilli
R category
Bivalvia - Nuculanida - Yoldiidae
Yoldia scissurata Dall 1897
R category
synonym of Yoldia (Cnesterium) aeolica
Bivalvia - Nuculanida - Nuculanidae
Nuculana taphria (Dall 1896)
R category
recombined as Saccella taphria
Bivalvia - Pectinida - Pectinidae
"Pecten" caurinus Gould 1850
R category
recombined as Patinopecten caurinus
Chlamys jordani (Arnold 1903)
C category
synonym of Chlamys rubida
Chlamys hastatus (Sowerby 1842)
R category
recombined as Chlamys hastata
SUBSPECIES: Chlamys hastatus hastatus
Bivalvia - Mytilida - Mytilidae
Volsella fornicata (Carpenter 1864)
R category
synonym of Modiolus carpenteri
Bivalvia - Pholadida - Myidae
Mya truncata Linnaeus 1758
R category
recombined as Mya (Mya) truncata
Bivalvia - Cardiida - Cardiidae
Cerastoderma corbis (Martyn 1788)
C category
synonym of Clinocardium (Clinocardium) nuttallii
"Protocardia" centifilosa (Carpenter 1864)
R category
recombined as Nemocardium (Keenaea) centifilosum
Bivalvia - Cardiida - Tellinidae
Macoma calcarea (Gmelin 1792)
C category
recombined as Macoma (Macoma) calcarea
Bivalvia - Cardiida - Veneridae
Venus perlaminosa (Conrad 1855)
R category
recombined as Humilaria perlaminosa
Venerella subdiaphana (Carpenter 1864)
C category
recombined as Compsomyax subdiaphana
Bivalvia - Solenida - Solenidae
Solen sicarius Gould 1850
R category
Bivalvia - Pandorida - Pandoridae
Pandora grandis (Dall 1877)
C category
synonym of Pandora (Pandorella) wardiana
Pandora filosa (Carpenter 1863)
R category
recombined as Pandora (Pandorella) filosa
Bivalvia - Lucinida - Lucinidae
Lucina annulata Reeve 1850
R category
recombined as Lucinoma annulatum
Lucina californica (Conrad 1837)
R category
original and current combination Phacoides californicus
Bivalvia - Lucinida - Thyasiridae
Thyasira gouldii (Philippi 1845)
C category
synonym of Tellina flexuosa
Bivalvia - Carditida - Carditidae
Cardita ventricosa Gould 1850
C category
recombined as Coanicardita ventricosa
Gastropoda - Naticidae
Euspira lewisii (Gould 1847)
R category
Neverita reclusiana (Deshayes 1839)
R category
recombined as Glossaulax reclusiana
Gastropoda - Neogastropoda - Olividae
Olivella biplicata (Sowerby 1825)
R category
recombined as Callianax biplicata
Gastropoda - Neogastropoda - Buccinidae
"Exilia" rectirostris (Carpenter 1864)
R category
recombined as Exilioidea rectirostris
Neptunea tabulata (Baird 1863)
R category
recombined as Neptunea (Sulcosipho) tabulata
Gastropoda - Turritellidae
Turritella jewettii Carpenter 1866
R category
synonym of Turritella cooperi
Bittium giganteum Bartsch 1911
C category
recombined as Tachyrhynchus giganteus
Gastropoda - Neotaenioglossa - Calyptraeidae
Crepidula nummaria Gould 1846
R category
Gastropoda - Pseudomelaniidae
Antiplanes santarosana (Dall 1902)
R category
Gastropoda - Trochidae
Calliostoma canaliculatum (Lightfoot 1786)
R category
Tegula montereyi (Kiener 1850)
R category
recombined as Chlorostoma montereyi
Gastropoda - Solariellidae
Solariella peramabilis Carpenter 1864
R category
recombined as Minolia peramabilis
Gastropoda - Eucyclidae
Cidarina cidaris (Adams 1864)
R category
see common names

Geography
Country:United States State/province:California County:Los Angeles
Coordinates: 33.7° North, 118.3° West (view map)
Paleocoordinates:33.7° North, 118.3° West
Basis of coordinate:estimated from map
Geographic resolution:small collection
Time
Period:Quaternary Epoch:Pleistocene
Stage:Chibanian 10 m.y. bin:Cenozoic 6
Key time interval:Middle Pleistocene
Age range of interval:0.77400 - 0.12900 m.y. ago
Stratigraphy
Formation:Timms Point Silt
Local section:Timms Point Local bed:2
Local order:bottom to top
Stratigraphic resolution:bed
Stratigraphy comments: 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: 4 ft stratigraphically higher in bed no. 2.
Lithology and environment
Primary lithology: unlithified siltstone
Includes fossils?Y
Lithology description: LITHOLOGY: shale. LITHIFICATION: not reported in text, but fossils in LACMIP collection from these localities are unlithified.
Environment:offshore
Geology comments: ENVIRONMENT: fauna is characteristic of offshore soft-bottom settings.
Taphonomy
Modes of preservation:body,original aragonite,original calcite
Degree of concentration:dispersed
Size of fossils:macrofossils,mesofossils
Preservation of anatomical detail:good
Abundance in sediment:common
Spatial resolution:autochthonous
Collection methods and comments
Collection methods:bulk,surface (float),surface (in situ),field collection
Reason for describing collection:paleoecologic analysis
Museum repositories:CIT,LACM
Collectors:W. Woodring Collection dates:1928
Collection method comments: COLLECTOR: W. Woodring,1928. REPOSITORY: LACMIP, including former CIT collections.
Taxonomic list comments:COVERAGE: Exhaustive for invertebrates. NOMENCLATURE: Antiquated, but mostly with species-resolution identifications.
Metadata
Database number:202645
Authorizer:A. Hendy Enterer:A. Hendy
Research group:marine invertebrate
Created:2019-07-16 16:53:10 Last modified:2019-07-16 16:53:10
Access level:authorizer only Released:2020-01-16 16:53:10
Creative Commons license:CC BY
Reference information

Primary reference:
69437. 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]