U.C.L.A. Loc. 5786, 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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Scaphopoda
- Dentaliida
- Rhabdidae
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Dentalium cf. rectius
Carpenter 1864
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1 specimen | ||||||
| recombined as Rhabdus rectius | |||||||
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Gastropoda
- Heterostropha
- Acteonidae
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Acteon punctocaelatus
(Carpenter 1864)
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27 specimens | ||||||
| recombined as Rictaxis punctocaelatus | |||||||
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Gastropoda
- Phasianellidae
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? Tricolia sp.
Risso 1826
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1 specimen | ||||||
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Gastropoda
- Opisthobranchia
- Bullidae
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Bulla cf. punctulata
Adams 1850
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23 specimens | ||||||
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Gastropoda
- Opisthobranchia
- Cylichnidae
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Acteocina aff. culcitella
(Gould 1853)
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103 specimens | ||||||
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Gastropoda
- Patellida
- Lottiidae
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Acmaea cf. digitalis
Eschscholtz 1833
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1 specimen | ||||||
| recombined as Lottia digitalis | |||||||
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Gastropoda
- Neotaenioglossa
- Calyptraeidae
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Crepidula adunca
Sowerby 1824
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2 specimens | ||||||
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Calyptraea cf. filosa
(Gabb 1866)
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1 specimen | ||||||
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Gastropoda
- Procerithiidae
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Bittium cf. rugatum
Carpenter 1866
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22 specimens | ||||||
| recombined as Lirobittium rugatum | |||||||
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Gastropoda
- Littorinidae
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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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130 specimens | ||||||
| recombined as Glossaulax reclusiana | |||||||
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Gastropoda
- Neogastropoda
- Columbellidae
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Mitrella gausapata
(Gould 1850)
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11 specimens | ||||||
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Gastropoda
- Neogastropoda
- Nassariidae
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Nassarius inquus
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84 specimens | ||||||
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Nassarius whitneyi
(Trask 1922)
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4 specimens | ||||||
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Gastropoda
- Neogastropoda
- Terebridae
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Terebra martini
English 1914
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1 specimen | ||||||
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Gastropoda
- Neogastropoda
- Conidae
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Conus californicus
Reeve 1844
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4 specimens | ||||||
| recombined as Californiconus californicus | |||||||
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Gastropoda
- Neogastropoda
- Olividae
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Olivella pedroana
(Conrad 1855)
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8 specimens | ||||||
| recombined as Callianax pedroana | |||||||
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Olivella aff. gracilis
(Broderip and Sowerby 1829)
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28 specimens | ||||||
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Bivalvia
- Arcida
- Arcidae
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Barbatia cf. bailyi
(Bartsch 1931)
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1 specimen | ||||||
| recombined as Barbatia (Acar) bailyi | |||||||
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Bivalvia
- Cardiida
- Tellinidae
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Macoma indentata
Carpenter 1864
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12 specimens | ||||||
| recombined as Macoma (Rexithaerus) indentata | |||||||
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Macoma nasuta
(Conrad 1837)
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2 specimens | ||||||
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Tellina idae
Dall 1891
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2 specimens | ||||||
| recombined as Idatellina idae | |||||||
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Bivalvia
- Cardiida
- Veneridae
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Amiantis callosa
(Conrad 1837)
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16 specimens | ||||||
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Tivela stultorum
(Mawe 1823)
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1 specimen | ||||||
| recombined as Tivela (Pachydesma) stultorum | |||||||
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Bivalvia
- Cardiida
- Mactridae
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Mactra cf. dolabriformis
Conrad 1867
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2 specimens | ||||||
| recombined as Simomactra dolabriformis | |||||||
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Bivalvia
- Pholadida
- Myidae
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Cryptomya californica
(Conrad 1837)
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440 specimens | ||||||
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Bivalvia
- Solenida
- Solenidae
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Solen sicarius
Gould 1850
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3 specimens | ||||||
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Bivalvia
- Thraciida
- Periplomatidae
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Periploma planiuscula
Sowerby I 1834
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1 specimen | ||||||
| recombined as Periploma (Periploma) planiuscula | |||||||
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Bivalvia
- Lucinida
- Lucinidae
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Miltha xantusi
(Dall 1903)
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9 specimens | ||||||
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Lucinisca nuttallii
(Conrad 1837)
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240 specimens | ||||||
| recombined as Lucinisca nuttalli | |||||||
| 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 basal conglomerate in formation. | |||||
Lithology and environment
| Primary lithology: | poorly lithified conglomerate |
| Includes fossils? | Y |
| Lithology description: SPECIFIC LITHOLOGY: Conglomerate. 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: | 97241 | ||
| Authorizer: | A. Hendy | Enterer: | A. Hendy | Research group: | marine invertebrate |
| Created: | 2010-07-20 20:13:30 | Last modified: | 2013-11-25 13:37:23 |
| Access level: | the public | Released: | 2010-07-20 20:13:30 |
| 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] |
Secondary references:
| 19909 | A. J. W. Hendy, D. P. Buick, K. V. Bulinski, C. A. Ferguson, and A. I. Miller. 2008. Unpublished census data from Atlantic coastal plain and circum-Caribbean Neogene assemblages and taxonomic opinions. [A. Hendy/A. Hendy/A. Hendy] |