CIT Loc. 136: Middle Pleistocene, California
collected by W. Woodring 1928
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Rhynchonellata
- Terebratulida
- Terebrataliidae
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Dallinella cf. hemphilli
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R category | ||||||
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Bivalvia
- Nuculida
- Nuculidae
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Acila castrensis
(Hinds 1843)
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C category | ||||||
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Bivalvia
- Nuculanida
- Yoldiidae
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Yoldia scissurata
Dall 1897
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R category | ||||||
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Bivalvia
- Lucinida
- Lucinidae
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Lucina annulata
Reeve 1850
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R category | ||||||
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Bivalvia
- Solenida
- Solenidae
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Solen sicarius
Gould 1850
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R category | ||||||
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Bivalvia
- Hiatellida
- Hiatellidae
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Panomya ampla
Dall 1898
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R category | ||||||
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Panopea generosa
Gould 1850
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C category | ||||||
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Bivalvia
- Cardiida
- Chamidae
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Pseudochama exogyra
(Conrad 1837)
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R category | ||||||
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Bivalvia
- Cardiida
- Veneridae
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Venerella subdiaphana
(Carpenter 1864)
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R category | ||||||
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Psephidia ovalis
Dall 1902
|
R category | ||||||
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Saxidomus nuttallii
(Conrad 1837)
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R category | ||||||
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Bivalvia
- Cardiida
- Tellinidae
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Macoma calcarea
(Gmelin 1792)
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C category | ||||||
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Bivalvia
- Cardiida
- Semelidae
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Semele incongrua
Carpenter 1864
|
R category | ||||||
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Bivalvia
- Cardiida
- Cardiidae
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Trachycardium quadragenarium
(Conrad 1837)
|
R category | ||||||
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"Protocardia" centifilosa
(Carpenter 1864)
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C category | ||||||
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Cerastoderma corbis
(Martyn 1788)
|
R category | ||||||
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Bivalvia
- Thraciida
- Thraciidae
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Thracia trapezoides
Conrad 1849
|
R category | ||||||
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Bivalvia
- Poromyida
- Poromyidae
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Poromya tenuiconcha
(Dall 1913)
|
R category | ||||||
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Bivalvia
- Carditida
- Carditidae
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Cardita barbarensis
(Stearns 1890)
|
R category | ||||||
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Cardita ventricosa
Gould 1850
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A category | ||||||
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Bivalvia
- Pectinida
- Pectinidae
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"Pecten" caurinus
Gould 1850
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R category | ||||||
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Chlamys islandicus hinds
|
R category | ||||||
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= Chlamys rubida
Hinds 1845
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Hendy 2020 | ||||||
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Chlamys jordani
(Arnold 1903)
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C category | ||||||
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Gastropoda
- Pseudomelaniidae
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Antiplanes perversa
(Gabb 1865)
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C category | ||||||
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Gastropoda
- Neotaenioglossa
- Calyptraeidae
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Crepidula lingulata
Gould 1846
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C category | ||||||
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Crepidula adunca
Sowerby 1824
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R category | ||||||
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Crepidula nummaria
Gould 1846
|
R category | ||||||
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Crepidula princeps
Conrad 1855
|
R category | ||||||
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Gastropoda
- Turritellidae
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Turritella cooperi
Carpenter 1864
|
C category | ||||||
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Turritella jewettii
Carpenter 1866
|
C category | ||||||
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Gastropoda
- Procerithiidae
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Bittium cf. rugatum
Carpenter 1866
|
C category | ||||||
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Bittium ornatissimum
(Bartsch 1911)
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C category | ||||||
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Gastropoda
- Naticidae
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Tectonatica clausa
(Broderip and Sowerby 1829)
|
A category | ||||||
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Euspira lewisii
(Gould 1847)
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C category | ||||||
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Gastropoda
- Ranellidae
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Fusitriton oregonensis
(Redfield 1846)
|
R category | ||||||
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Gastropoda
- Neogastropoda
- Muricidae
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Boreotrophon orpheus praccursor
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C category | ||||||
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Bivalvia
- Pectinida
- Pectinidae
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Chlamys hastatus hastatus
|
R category | ||||||
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unclassified
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Monia macrochisma
Deshayes 1839
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C category | ||||||
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Gastropoda
- Neogastropoda
- Mangeliidae
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"Mangilia" oldroydi
Arnold 1903
|
R category | ||||||
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Gastropoda
- Neogastropoda
- Conidae
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Conus californicus
Reeve 1844
|
R category | ||||||
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"Lora" tabulata
(Carpenter 1864)
|
R category | ||||||
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"Lora" viridula
|
R category | ||||||
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= Propebela fidicula
Gould 1849
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Hendy 2020 | ||||||
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Gastropoda
- Neogastropoda
- Borsoniidae
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Borsonella bartschi
(Arnold 1903)
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C category | ||||||
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Gastropoda
- Neogastropoda
- Clathurellidae
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"Clathurella" sp.
Carpenter 1857
|
R category | ||||||
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Clathurella crystallina
Gabb 1865
|
R category | ||||||
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Gastropoda
- Neogastropoda
- Pseudomelatomidae
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"Clathrodrillia" renaudi
(Arnold 1903)
|
R category | ||||||
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Gastropoda
- Neogastropoda
- Muricidae
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Boreotrophon multicostatus
(Eschscholtz 1829)
|
C category | ||||||
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Boreotrophon stuarti
(Smith 1880)
|
R category | ||||||
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Tritonalia barbarensis
(Gabb 1865)
|
R category | ||||||
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Gastropoda
- Neogastropoda
- Olividae
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Olivella biplicata
(Sowerby 1825)
|
R category | ||||||
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Gastropoda
- Neogastropoda
- Fasciolariidae
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Barbarofusus kobelti
(Dall 1877)
|
R category | ||||||
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Barbarofusus barbarensis
(Trask 1855)
|
A category | ||||||
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Gastropoda
- Neogastropoda
- Nassariidae
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Nassarius perpinguis
(Hinds 1844)
|
C category | ||||||
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Nassarius mendicus
(Gould 1849)
|
C category | ||||||
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Nassarius cooperi
(Forbes 1852)
|
C category | ||||||
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Gastropoda
- Neogastropoda
- Buccinidae
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Neptunea tabulata
(Baird 1863)
|
C category | ||||||
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"Exilia" rectirostris
(Carpenter 1864)
|
C category | ||||||
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Gastropoda
- Neogastropoda
- Siphonaliidae
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Cantharus fortis
(Carpenter 1866)
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R category | ||||||
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Gastropoda
- Neogastropoda
- Columbellidae
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Mitrella gausapata
(Gould 1850)
|
C category | ||||||
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Amphissa reticulata
(Dall 1916)
|
C category | ||||||
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Gastropoda
- Epitoniidae
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Epitonium indianorum
(Carpenter 1864)
|
R category | ||||||
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Gastropoda
- Lepetellida
- Fissurellidae
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Puncturella galeata
(Gould 1846)
|
R category | ||||||
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Puncturella cucullata
(Gould 1846)
|
R category | ||||||
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Diadora aspera
(Rathke 1833)
|
R category | ||||||
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Gastropoda
- Trochidae
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Calliostoma canaliculatum
(Lightfoot 1786)
|
R category | ||||||
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Gastropoda
- Turbinidae
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Astraea inaequalis
(Martyn 1784)
|
C category | ||||||
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= Pomaulax gibberosa
Dillwyn 1817
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Hendy 2020 | ||||||
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Gastropoda
- Eucyclidae
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Cidarina cidaris
(Adams 1864)
|
R category | ||||||
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Gastropoda
- Opisthobranchia
- Cylichnidae
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Acteocina harpa
(Dall 1871)
|
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: | 0.774 - 0.129 m.y. ago |
Stratigraphy
| Formation: | Timms Point Silt | ||||
| Local section: | Timms Point | Local bed: | 1 | ||
| 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: In middle and upper portion of bed no. 1 | |||||
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: | 202636 | ||
| Authorizer: | A. Hendy | Enterer: | A. Hendy |
| Modifier: | A. Hendy | Research group: | marine invertebrate |
| Created: | 2019-07-16 16:00:17 | Last modified: | 2019-07-16 16:56:00 |
| Access level: | authorizer only | Released: | 2020-01-16 16:00:17 |
| 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] |