USGS 14877 - Casmalia Hills [Foxen Mudstone]: Piacenzian, California
collected by W. Woodring
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Gastropoda
- Neotaenioglossa
- Calyptraeidae
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Crepidula princeps
Conrad 1855
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Gastropoda
- Neogastropoda
- Nassariidae
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"Nassa" waldorfensis
Arnold 1908
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synonym of Caesia californiana | ||||||||||
"Nassa" waldorfensis | ||||||||||
Gastropoda
- Neogastropoda
- Columbellidae
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Mitrella gausapata
(Gould 1850)
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Gastropoda
- Procerithiidae
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Bittium casmaliense
Bartsch 1911
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recombined as Lirobittium casmaliense | ||||||||||
Bivalvia
- Pectinida
- Pectinidae
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Patinopecten dilleri
(Dall 1901)
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recombined as Lituyapecten dilleri | ||||||||||
see common names |
Geography
Country: | United States | State/province: | California | County: | Santa Barbara |
Coordinates: | 34.9° North, 120.5° West (view map) | ||||
Paleocoordinates: | 34.7° North, 119.6° West | ||||
Basis of coordinate: | estimated from map | ||||
Geographic resolution: | outcrop |
Time
Period: | Neogene | Epoch: | Pliocene |
Stage: | Piacenzian | 10 m.y. bin: | Cenozoic 6 |
Key time interval: | Piacenzian | ||
Age range of interval: | 3.60000 - 2.58800 m.y. ago |
Stratigraphy
Formation: | Foxen Mudstone | ||||
Stratigraphic resolution: | group of beds | ||||
Stratigraphy comments: LITHOSTRATIGRAPHY: From the Foxen Mudstone, which overlies the Sisquoc Formation (late Miocene-early Pliocene) and underlies the Careaga Formation (late Pliocene). AGE: Early-middle Pliocene, on the basis of foraminiferal and microfossil biostratigraphy. |
Lithology and environment
Primary lithology: | poorly lithified mudstone |
Includes fossils? | Y |
Lithology description: LITHOLOGY: Mudstone. LITHIFICATION: Assumed on the basis of figured specimens. | |
Environment: | offshore |
Geology comments: PALEOENVIRONMENT: Established on the basis of faunal composition. |
Taphonomy
Modes of preservation: | body |
Size of fossils: | macrofossils |
Collection methods and comments
Collection methods: | surface (in situ),field collection |
Reason for describing collection: | biostratigraphic analysis |
Museum repositories: | USNM |
Collectors: | W. Woodring |
Collection method comments: COLLECTORS: Not reported, but assumed to be W. Woodring. REPOSITORY: Smithsonian (USNM). | |
Taxonomic list comments:COVERAGE: Exhaustive for macrofossils. NOMENCLATURE: Somewhat antiquated nomenclature. |
Metadata
Also known as: | Woodring Loc. 146; W20 | ||
Database number: | 189547 | ||
Authorizer: | A. Hendy | Enterer: | A. Hendy |
Modifier: | A. Hendy | Research group: | marine invertebrate |
Created: | 2017-10-30 01:05:05 | Last modified: | 2020-06-14 02:04:15 |
Access level: | authorizer only | Released: | 2019-10-30 01:05:05 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
10621. | W. P. Woodring and M.N. Bramlette. 1950. Geology and paleontology of the Santa Maria District California. United States Geological Survey Professional Paper 222:1-185 [A. Miller/A. Hendy/S. Ávila] |