UCMP B-2275, San Lorenzo River: Oligocene, California
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Globothalamea
- Rotaliida
- Eouvigerinidae
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Nodogenerina advena
Cushman and Laiming 1931
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Nodogenerina sanctaecrucis
Kleinpell 1938
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Globothalamea
- Rotaliida
- Gavelinellidae
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Gyroidina orbicularis
d'Orbigny 1865
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| var. planata | ||||||||||
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Globothalamea
- Rotaliida
- Anomalinidae
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Anomalina californiensis
Cushman and Hobson 1935
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Globothalamea
- Rotaliida
- Discorbidae
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Eponides kleinpelli
Cushman and Frizzell 1940
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Globothalamea
- Rotaliida
- Cibicididae
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Cibicides pseudoungerianus
(Cushman 1922)
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Discamminidae
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? Discammina eocenica
Mllory 1959
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Prolixoplectidae
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Plectina cf. ruthenica
(Reuss 1851)
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Nodosariata
- Nodosariida
- Nodosariidae
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Lagena strumosa
Reuss 1858
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Robulus simplex
(d'Orbigny 1846)
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Robulus propinquus
(Hantken 1873)
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| ssp. cowlitzensis | ||||||||||
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Robulus arcuatostriatus
(Hantken 1868)
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| ssp. carolinianus | ||||||||||
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Robulus warmani
(Barbat and von Estorff 1933)
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Nodosariata
- Polymorphinida
- Plectofrondiculariidae
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Plectofrondicularia vaughani
Cushman 1927
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Buliminidae
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Uvigerinella obesa
Cushman 1926
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| ssp. impolita | ||||||||||
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Buliminella subfusiformis
Cushman 1925
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Lituolida
- Lituolidae
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Gaudryina sp.
d'Orbigny 1839
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Gaudryina laevigata
Franke 1914
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Cyclammina cf. incisa
(Stache 1864)
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Cyclammina clarki
(Hanna 1923)
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Cassidulinidae
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Cassidulina crassipunctata
Cushman and Hobson 1935
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unclassified
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Pseudoglandulina ovata
(Cushman and Applin 1926)
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| see common names | ||||||||||
Geography
| Country: | United States | State/province: | California | County: | Santa Cruz |
| Coordinates: | 37.2° North, 122.1° West (view map) | ||||
| Paleocoordinates: | 35.6° North, 113.3° West | ||||
| Basis of coordinate: | estimated from map | ||||
| Geographic resolution: | small collection |
Time
| Period: | Paleogene | Epoch: | Oligocene |
| 10 m.y. bin: | Cenozoic 4 | ||
| Key time interval: | Oligocene | ||
| Age range of interval: | 33.90000 - 23.03000 m.y. ago |
Stratigraphy
| Formation: | San Lorenzo | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: Stratigraphically 443 feet below top of San Lorenzo formation, 3 feet above stream level, in dark gray, massive siltstone. | |||||
Lithology and environment
| Primary lithology: | lithified siltstone |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis |
| Museum repositories: | UCMP |
Metadata
| Database number: | 185216 | ||
| Authorizer: | M. Clapham | Enterer: | M. Clapham |
| Modifier: | M. Clapham | Research group: | micropaleontology |
| Created: | 2017-04-17 00:11:52 | Last modified: | 2017-06-06 23:41:02 |
| Access level: | the public | Released: | 2017-04-17 00:11:52 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 62136. | F. R. Sullivan. 1962. Foraminifera from the type section of the San Lorenzo Formation, Santa Cruz County, California. University of California Publications in Geological Sciences 37(4):233-352 [M. Clapham/M. Clapham/M. Clapham] |