U.C.L.A. Loc. 5780, Elsmere Canyon [Towsley Fm]: Early/Lower Pliocene, California
collected by Kern
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Gastropoda
- Neogastropoda
- Turridae
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Megasurcula carpenteriana
(Gabb 1866)
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2 specimens | ||||||
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Gastropoda
- Neogastropoda
- Conidae
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Conus californicus
Reeve 1844
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23 specimens | ||||||
| recombined as Californiconus californicus | |||||||
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Gastropoda
- Neogastropoda
- Nassariidae
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Nassarius stocki
Kanakoff 1956
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3 specimens | ||||||
| recombined as Nassarius (Catilon) stocki | |||||||
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Gastropoda
- Neogastropoda
- Columbellidae
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Mitrella cf. gausapata
(Gould 1850)
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1 specimen | ||||||
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Gastropoda
- Neogastropoda
- Siphonaliidae
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Calicantharus humerosus
(Gabb 1869)
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5 specimens | ||||||
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Gastropoda
- Littorinidae
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Lacuna sp.
Turton 1827
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4 specimens | ||||||
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Littorina sp.
Ferussac 1821
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1 specimen | ||||||
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Gastropoda
- Naticidae
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Neverita reclusiana
(Deshayes 1839)
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30 specimens | ||||||
| recombined as Glossaulax reclusiana | |||||||
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Gastropoda
- Procerithiidae
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Bittium cf. rugatum
Carpenter 1866
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1 specimen | ||||||
| recombined as Lirobittium rugatum | |||||||
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Gastropoda
- Neotaenioglossa
- Calyptraeidae
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Calyptraea filosa
(Gabb 1866)
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2 specimens | ||||||
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Crepidula adunca
Sowerby 1824
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1 specimen | ||||||
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Gastropoda
- Turritellidae
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Turritella cooperi
Carpenter 1864
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3 specimens | ||||||
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Gastropoda
- Turbinidae
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Astraea gradata
Grant and Gale 1931
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7 specimens | ||||||
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Margarites pupillus
(Gould 1849)
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16 specimens | ||||||
| recombined as Pupillaria pupilla | |||||||
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Gastropoda
- Opisthobranchia
- Cylichnidae
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Acteocina aff. culcitella
(Gould 1853)
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3 specimens | ||||||
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Bivalvia
- Cardiida
- Cardiidae
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Trachycardium quadragenarium
(Conrad 1837)
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22 specimens | ||||||
| recombined as Dallocardia quadragenarium | |||||||
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Nemocardium centifilosum
(Carpenter 1864)
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3 specimens | ||||||
| recombined as Nemocardium (Keenaea) centifilosum | |||||||
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Bivalvia
- Cardiida
- Veneridae
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Chione (Anomalocardia) fernandoensis
(English 1914)
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14 specimens | ||||||
| recombined as Chione (Securella) securis fernandoensis | |||||||
| see common names | |||||||
Geography
| Country: | United States | State/province: | California | County: | Los Angeles |
| Coordinates: | 34.4° North, 118.5° West (view map) | ||||
| Paleocoordinates: | 34.1° North, 117.2° West | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Neogene | Epoch: | Pliocene |
| Stage: | Zanclean | 10 m.y. bin: | Cenozoic 6 |
| Key time interval: | Early/Lower Pliocene | ||
| Age range of interval: | 5.33300 - 3.60000 m.y. ago |
Stratigraphy
| Formation: | Towsley | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: STRATIGRAPHIC RELATIONS: From the Towsley Fm, which unconformably overlies Eocene strata, and is overlain by the Pico Fm (Pliocene). AGE: Early Pliocene, on the basis of macrofossil biostratigraphy. STRATIGRAPHIC POSITION: From very small lense of Conglomeratic siltstone in sandstone-conglomerate tongue from about 60 ft below contact with Pico Fm. | |||||
Lithology and environment
| Primary lithology: | poorly lithified conglomeratic siltstone |
| Includes fossils? | Y |
| Lithology description: SPECIFIC LITHOLOGY: Conglomeratic siltstone. LITHIFICATION: Variably lithified. | |
| Environment: | coastal indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
| Spatial orientation: | preferred |
Collection methods and comments
| Collection methods: | bulk,surface (in situ),field collection |
| Reason for describing collection: | paleoecologic analysis |
| Collectors: | Kern |
| Collection method comments: COLLECTOR: J.P. Kern, c. 1970's. REPOSITORY: UCLA, California. | |
| Taxonomic list comments:COVERAGE: Exhaustive for molluscs. NOMENCLATURE: An authoritative publication, with somewhat antiquated nomenclature, but with species-resolution identifications. | |
Metadata
| Database number: | 97403 | ||
| Authorizer: | A. Hendy | Enterer: | A. Hendy | Research group: | marine invertebrate |
| Created: | 2010-07-25 10:30:23 | Last modified: | 2013-11-25 13:37:23 |
| Access level: | the public | Released: | 2010-07-25 10:30:23 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 33152. | J. P. Kern. 1973. Early Pliocene marine climate and environment of the eastern Ventura Basin, Southern California. University of California Publications in Geological Sciences 96:1-117 [A. Hendy/A. Hendy/A. Hendy] |