Santa Lagoon, Rio Santa - Cerithium-Ostrea assemblage: Holocene, Peru
collected by DeVries & Wells
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Gastropoda
- Potamididae
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Cerithidea valida
(Adams 1852)
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Gastropoda
- Campanilidae
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Cerithium stercusmuscarum
Valenciennes 1833
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| recombined as Cerithium (Thericium) stercusmuscarum | |||||||
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Bivalvia
- Pectinida
- Pectinidae
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Argopecten circularis
(Sowerby 1835)
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| synonym of Argopecten ventricosus | |||||||
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Bivalvia
- Ostreida
- Ostreidae
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Ostrea palmula
(Carpenter 1857)
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| recombined as Saccostrea palmula | |||||||
| see common names | |||||||
Geography
| Country: | Peru |
| Coordinates: | 9.0° South, 78.6° West (view map) |
| Paleocoordinates: | 9.0° South, 78.6° West |
| Basis of coordinate: | based on nearby landmark |
| Geographic resolution: | local area |
Time
| Period: | Quaternary | Epoch: | Holocene |
| 10 m.y. bin: | Cenozoic 6 | ||
| Key time interval: | Holocene | ||
| Age range of interval: | 0.01170 - 0.00000 m.y. ago | ||
| Age estimate: | 7035 ± 145 to 4270 ± 85 YBP (14C (calibrated)) |
Stratigraphy
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: LITHOSTRATIGRAPHY: From an unnamed lithostratigraphic unit, for which lithostratigraphic relationships are not discussed. AGE: 6500-4300 yr B.P., on the basis of radiocarbon dating. STRATIGRAPHIC RELATIONS: From beach ridges. | |||||
Lithology and environment
| Primary lithology: | unlithified "siliciclastic" |
| Includes fossils? | Y |
| Lithology description: LITHOLOGY: Unknown, but presumably siliciclastic. | |
| Environment: | coastal indet. |
| Geology comments: ENVIRONMENT: Sandy substrates and open protected waters. | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | surface (in situ),field collection |
| Reason for describing collection: | paleoecologic analysis |
| Museum repositories: | UCMP |
| Collectors: | DeVries & Wells |
| Collection method comments: COLLECTORS: DeVries, T.J., and Wells, L.E., c. late 1980's. RESPOSITORY: Presumably UCMP, Berkeley. | |
| Taxonomic list comments:COVERAGE: Limited to characteristic Mollusca. NOMENLCATURE: Not an authoritative publication, but with modern nomenclature, and species-resolution identifications. | |
Metadata
| Database number: | 97640 | ||
| Authorizer: | A. Hendy | Enterer: | A. Hendy |
| Modifier: | A. Hendy | Research group: | marine invertebrate |
| Created: | 2010-08-17 15:51:54 | Last modified: | 2013-11-25 13:37:23 |
| Access level: | authorizer only | Released: | 2011-08-17 15:51:54 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 33340. | T. J. DeVries and L. E. Wells. 1990. Thermally-anomalous Holocene molluscan assemblages from coastal Peru: evidence for paleogeographic, not climatic change. Palaeogeography, Palaeoclimatology, Palaeoecology 81:11-32 [A. Hendy/A. Hendy] |