CIT Loc. 264: Middle Pleistocene, California
collected by A. Clark 1929
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Stenolaemata
- Cyclostomata
- Multisparsidae
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Idmonea californica
Conrad 1855
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R category | |||||||||
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Gymnolaemata
- Cheilostomata
- Cellariidae
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Cellaria mandibulata
Hincks 1882
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R category | |||||||||
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Bivalvia
- Nuculanida
- Nuculanidae
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Nuculana minuta
(Müller 1776)
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C category | |||||||||
| SUBSPECIES: Nuculana minuta praecursor | ||||||||||
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Bivalvia
- Pectinida
- Pectinidae
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Chlamys jordani
(Arnold 1903)
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R category | |||||||||
| synonym of Chlamys rubida | ||||||||||
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Bivalvia
- Cardiida
- Cardiidae
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"Protocardia" centifilosa
(Carpenter 1864)
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R category | |||||||||
| recombined as Nemocardium (Keenaea) centifilosum | ||||||||||
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Bivalvia
- Poromyida
- Poromyidae
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Poromya tenuiconcha
(Dall 1913)
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R category | |||||||||
| recombined as Dermatomya tenuiconcha | ||||||||||
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Bivalvia
- Lucinida
- Lucinidae
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Lucina annulata
Reeve 1850
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R category | |||||||||
| recombined as Lucinoma annulatum | ||||||||||
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Bivalvia
- Carditida
- Carditidae
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Cardita ventricosa
Gould 1850
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R category | |||||||||
| recombined as Coanicardita ventricosa | ||||||||||
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Gastropoda
- Procerithiidae
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Bittium catalinense
(Bartsch 1907)
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R category | |||||||||
| recombined as Lirobittium catalinensis | ||||||||||
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Bittium ornatissimum
(Bartsch 1911)
|
R category | |||||||||
| synonym of Lirobittium armillatum | ||||||||||
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Bittium larum
(Bartsch 1911)
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R category | |||||||||
| recombined as Lirobittium larum | ||||||||||
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Bittium asperum
(Gabb 1861)
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C category | |||||||||
| recombined as Lirobittium asperum | ||||||||||
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Gastropoda
- Naticidae
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Neverita reclusiana
(Deshayes 1839)
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R category | |||||||||
| recombined as Glossaulax reclusiana | ||||||||||
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Gastropoda
- Neogastropoda
- Muricidae
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Boreotrophon pacificus
Dall 1902
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R category | |||||||||
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Boreotrophon orpheus
(Gould 1842)
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R category | |||||||||
| SUBSPECIES: Boreotrophon orpheus praccursor | ||||||||||
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Gastropoda
- Neogastropoda
- Borsoniidae
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Borsonella bartschi
(Arnold 1903)
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R category | |||||||||
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Gastropoda
- Neogastropoda
- Olividae
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Olivella pedroana
(Conrad 1855)
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R category | |||||||||
| recombined as Callianax pedroana | ||||||||||
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Olivella biplicata
(Sowerby 1825)
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C category | |||||||||
| recombined as Callianax biplicata | ||||||||||
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Gastropoda
- Neogastropoda
- Nassariidae
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Nassarius cooperi
(Forbes 1852)
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R category | |||||||||
| recombined as Hima cooperi | ||||||||||
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Gastropoda
- Neogastropoda
- Fasciolariidae
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Barbarofusus barbarensis
(Trask 1855)
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R category | |||||||||
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Gastropoda
- Neogastropoda
- Columbellidae
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Amphissa reticulata
(Dall 1916)
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R category | |||||||||
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Mitrella gausapata
(Gould 1850)
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R category | |||||||||
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Gastropoda
- Neotaenioglossa
- Calyptraeidae
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Crepidula lingulata
Gould 1846
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R category | |||||||||
| recombined as Crepipatella lingulata | ||||||||||
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Crepidula princeps
Conrad 1855
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R category | |||||||||
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Gastropoda
- Pseudomelaniidae
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Antiplanes perversa
(Gabb 1865)
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R category | |||||||||
| recombined as Spirotropis (Antiplanes) perversa | ||||||||||
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Gastropoda
- Turbinidae
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Astraea inaequalis
(Martyn 1784)
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R category | |||||||||
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= Pomaulax gibberosa
Dillwyn 1817
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Hendy 2020 | |||||||||
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Gastropoda
- Trochidae
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Tegula montereyi
(Kiener 1850)
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R category | |||||||||
| recombined as Chlorostoma montereyi | ||||||||||
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Gastropoda
- Solariellidae
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Solariella peramabilis
Carpenter 1864
|
R category | |||||||||
| recombined as Minolia peramabilis | ||||||||||
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Gastropoda
- Eucyclidae
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Cidarina cidaris
(Adams 1864)
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R category | |||||||||
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Gastropoda
- Lepetellida
- Fissurellidae
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Puncturella galeata
(Gould 1846)
|
C category | |||||||||
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Puncturella cucullata
(Gould 1846)
|
R category | |||||||||
| recombined as Craniopsis cucullata | ||||||||||
| 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: | 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: Basal 2 ft of Bed No. 1 resting directly on Miocene shale. Foraminifera extremely abundant. | |||||
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: | A. Clark | Collection dates: | 1929 |
| Collection method comments: COLLECTOR: A. Clark, 1929. REPOSITORY: LACMIP, including former CIT collections. | |||
| Taxonomic list comments:COVERAGE: Exhaustive for invertebrates. NOMENCLATURE: Antiquated, but mostly with species-resolution identifications. | |||
Metadata
| Database number: | 202632 | ||
| Authorizer: | A. Hendy | Enterer: | A. Hendy |
| Modifier: | A. Hendy | Research group: | marine invertebrate |
| Created: | 2019-07-16 15:25:34 | Last modified: | 2019-07-16 16:56:28 |
| Access level: | authorizer only | Released: | 2020-01-16 15:25:34 |
| 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] |