CIT Loc. 1: 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
Bivalvia - Nuculanida - Yoldiidae
Yoldia scissurata Dall 1897
R category
synonym of Yoldia (Cnesterium) aeolica
Bivalvia - Nuculida - Nuculidae
Acila castrensis (Hinds 1843)
C category
recombined as Acila (Truncacila) castrensis
Bivalvia - Pectinida - Pectinidae
Pecten diegensis Dall 1898
R category
recombined as Leopecten diegensis
SUBSPECIES: Pecten diegensis stearnsii
"Pecten" caurinus Gould 1850
C category
recombined as Patinopecten caurinus
Chlamys jordani (Arnold 1903)
R category
synonym of Chlamys rubida
Chlamys hastatus (Sowerby 1842)
C category
recombined as Chlamys hastata
SUBSPECIES: Chlamys hastatus hastatus
Bivalvia - Mytilida - Mytilidae
Volsella fornicata (Carpenter 1864)
R category
synonym of Modiolus carpenteri
Bivalvia - Cardiida - Cardiidae
Trachycardium quadragenarium (Conrad 1837)
C category
recombined as Dallocardia quadragenarium
Cerastoderma corbis (Martyn 1788)
R category
synonym of Clinocardium (Clinocardium) nuttallii
"Protocardia" centifilosa (Carpenter 1864)
C category
recombined as Nemocardium (Keenaea) centifilosum
Bivalvia - Cardiida - Tellinidae
Macoma calcarea (Gmelin 1792)
C category
recombined as Macoma (Macoma) calcarea
Bivalvia - Cardiida - Semelidae
Semele rubropicta Dall 1871
R category
recombined as Semele (Semele) rubropicta
Semele incongrua Carpenter 1864
R category
synonym of Semele (Amphidesma) venusta
Bivalvia - Cardiida - Ungulinidae
Diplodonta orbella (Gould 1851)
R category
Bivalvia - Cardiida - Veneridae
Saxidomus nuttallii (Conrad 1837)
R category
original and current combination Saxidomus nuttalli
Venerella subdiaphana (Carpenter 1864)
C category
recombined as Compsomyax subdiaphana
Bivalvia - Solenida - Solenidae
Solen sicarius Gould 1850
C category
Bivalvia - Hiatellida - Hiatellidae
Panomya ampla Dall 1898
C category
Panopea generosa Gould 1850
R category
Bivalvia - Pandorida - Pandoridae
Pandora grandis (Dall 1877)
R category
synonym of Pandora (Pandorella) wardiana
Bivalvia - Thraciida - Thraciidae
Thracia trapezoides Conrad 1849
C category
recombined as Thracia (Homoeodesma) trapezoides
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 - Carditida - Carditidae
Cardita ventricosa Gould 1850
C category
recombined as Coanicardita ventricosa
Gastropoda - Neogastropoda - Buccinidae
"Exilia" rectirostris (Carpenter 1864)
R category
recombined as Exilioidea rectirostris
Gastropoda - Neogastropoda - Fasciolariidae
Barbarofusus barbarensis (Trask 1855)
R category
Gastropoda - Ranellidae
Fusitriton oregonensis (Redfield 1846)
R category
Gastropoda - Turritellidae
Turritella cooperi Carpenter 1864
A category
Turritella jewettii Carpenter 1866
R category
synonym of Turritella cooperi
Gastropoda - Neotaenioglossa - Calyptraeidae
Crepidula lingulata Gould 1846
R category
recombined as Crepipatella lingulata
Gastropoda - Turbinidae
Astraea inaequalis (Martyn 1784)
R category
    = Pomaulax gibberosa Dillwyn 1817
Hendy 2020
Homalopoma carpenteri (Pilsbry 1889)
R category
synonym of Homalopoma (Homalopoma) luridum
Gastropoda - Trochidae
Calliostoma canaliculatum (Lightfoot 1786)
R category
Calliostoma annulatum (Lightfoot 1786)
R category
Tegula montereyi (Kiener 1850)
R category
recombined as Chlorostoma montereyi
Gastropoda - Eucyclidae
Turcica caffea (Gabb 1865)
C 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
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: Stratigraphic position uncertain due to slumping.
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:202647
Authorizer:A. Hendy Enterer:A. Hendy
Research group:marine invertebrate
Created:2019-07-16 16:59:21 Last modified:2019-07-16 16:59:21
Access level:authorizer only Released:2020-01-16 16:59:21
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]

Secondary references:

63217 A. J. W. Hendy. 2020. Unpublished taxonomic backbone for Eastern Pacific Invertebrate Communities of the Cenozoic (EPICC) Thematic Collections Network. [A. Hendy/A. Hendy/A. Hendy]