CIT Loc. 320: Middle Pleistocene, California
collected by A. Clark 1929
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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unclassified
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Monia macrochisma
Deshayes 1839
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R category | |||||||||
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Gastropoda
- Opisthobranchia
- Cylichnidae
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Acteocina culcitella
(Gould 1853)
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R category | |||||||||
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Acteocina harpa
(Dall 1871)
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R category | |||||||||
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Gastropoda
- Solariellidae
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Solariella peramabilis
Carpenter 1864
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R category | |||||||||
| recombined as Minolia peramabilis | ||||||||||
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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
- Lepetellida
- Fissurellidae
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Puncturella cucullata
(Gould 1846)
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R category | |||||||||
| recombined as Craniopsis cucullata | ||||||||||
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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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Antiplanes rotula
Dall 1921
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C category | |||||||||
| synonym of Antiplanes thalea | ||||||||||
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Gastropoda
- Procerithiidae
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Bittium cf. rugatum
Carpenter 1866
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C category | |||||||||
| recombined as Lirobittium rugatum | ||||||||||
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Gastropoda
- Neogastropoda
- Clathurellidae
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Clathurella crystallina
Gabb 1865
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R category | |||||||||
| recombined as Crockerella crystallina | ||||||||||
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Gastropoda
- Neogastropoda
- Borsoniidae
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Borsonella barbarensis
Dall 1919
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R category | |||||||||
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Borsonella bartschi
(Arnold 1903)
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C category | |||||||||
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Gastropoda
- Neogastropoda
- Conidae
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Conus californicus
Reeve 1844
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R category | |||||||||
| recombined as Californiconus californicus | ||||||||||
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Gastropoda
- Neogastropoda
- Fasciolariidae
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Barbarofusus barbarensis
(Trask 1855)
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C category | |||||||||
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Gastropoda
- Neogastropoda
- Nassariidae
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Nassarius perpinguis
(Hinds 1844)
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R category | |||||||||
| recombined as Caesia perpinguis | ||||||||||
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Nassarius mendicus
(Gould 1849)
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R category | |||||||||
| recombined as Hima mendica | ||||||||||
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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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Gastropoda
- Neogastropoda
- Buccinidae
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Neptunea tabulata
(Baird 1863)
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R category | |||||||||
| recombined as Neptunea (Sulcosipho) tabulata | ||||||||||
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Gastropoda
- Neogastropoda
- Olividae
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Olivella biplicata
(Sowerby 1825)
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C category | |||||||||
| recombined as Callianax biplicata | ||||||||||
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Olivella pedroana
(Conrad 1855)
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R category | |||||||||
| recombined as Callianax pedroana | ||||||||||
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Gastropoda
- Neogastropoda
- Muricidae
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Boreotrophon orpheus
(Gould 1842)
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R category | |||||||||
| SUBSPECIES: Boreotrophon orpheus praccursor | ||||||||||
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Boreotrophon multicostatus
(Eschscholtz 1829)
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R category | |||||||||
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Tritonalia barbarensis
(Gabb 1865)
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R category | |||||||||
| recombined as Paciocinebrina barbarensis | ||||||||||
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Gastropoda
- Ranellidae
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Fusitriton oregonensis
(Redfield 1846)
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R category | |||||||||
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Gastropoda
- Naticidae
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Euspira lewisii
(Gould 1847)
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R category | |||||||||
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Tectonatica clausa
(Broderip and Sowerby 1829)
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R category | |||||||||
| synonym of Cryptonatica affinis | ||||||||||
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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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Gastropoda
- Turritellidae
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Turritella cooperi
Carpenter 1864
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R category | |||||||||
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Turritella jewettii
Carpenter 1866
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C category | |||||||||
| synonym of Turritella cooperi | ||||||||||
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Bivalvia
- Pandorida
- Pandoridae
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Pandora filosa
(Carpenter 1863)
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R category | |||||||||
| recombined as Pandora (Pandorella) filosa | ||||||||||
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Bivalvia
- Thraciida
- Thraciidae
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Thracia trapezoides
Conrad 1849
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R category | |||||||||
| recombined as Thracia (Homoeodesma) trapezoides | ||||||||||
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Bivalvia
- Cardiida
- Tellinidae
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Macoma inquinata
(Deshayes 1855)
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R category | |||||||||
| recombined as Macoma (Macoma) inquinata | ||||||||||
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Bivalvia
- Cardiida
- Semelidae
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Semele incongrua
Carpenter 1864
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R category | |||||||||
| synonym of Semele (Amphidesma) venusta | ||||||||||
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Bivalvia
- Cardiida
- Veneridae
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Psephidia ovalis
Dall 1902
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C category | |||||||||
| recombined as Nutricola ovalis | ||||||||||
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Bivalvia
- Lucinida
- Lucinidae
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Lucina tenuisculpta
Carpenter 1864
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C category | |||||||||
| recombined as Parvilucina tenuisculpta | ||||||||||
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Bivalvia
- Mytilida
- Crenellidae
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Crenella columbiana
Dall 1897
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R category | |||||||||
| recombined as Solamen columbianum | ||||||||||
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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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Chlamys hastatus
(Sowerby 1842)
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R category | |||||||||
| recombined as Chlamys hastata | ||||||||||
| SUBSPECIES: Chlamys hastatus hastatus | ||||||||||
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"Pecten" caurinus
Gould 1850
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R category | |||||||||
| recombined as Patinopecten caurinus | ||||||||||
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Pecten diegensis
Dall 1898
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C category | |||||||||
| recombined as Leopecten diegensis | ||||||||||
| SUBSPECIES: Pecten diegensis stearnsii | ||||||||||
| 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: 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: | 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: | 202637 | ||
| Authorizer: | A. Hendy | Enterer: | A. Hendy |
| Modifier: | A. Hendy | Research group: | marine invertebrate |
| Created: | 2019-07-16 16:02:11 | Last modified: | 2019-07-16 16:55:54 |
| Access level: | authorizer only | Released: | 2020-01-16 16:02:11 |
| 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] |