CAS Loc. 345, Negritos [Negritos Fm]: Early/Lower Eocene, Peru
collected by Gester 1914
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Gastropoda
- Turritellidae
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Turritella negritosensis
Woods 1922
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| see common names | |||||||
Geography
| Country: | Peru |
| Coordinates: | 4.0° South, 80.3° West (view map) |
| Paleocoordinates: | 6.3° South, 69.3° West |
| Basis of coordinate: | based on nearby landmark |
| Geographic resolution: | outcrop |
Time
| Period: | Paleogene | Epoch: | Eocene |
| Stage: | Ypresian | 10 m.y. bin: | Cenozoic 2 |
| Key time interval: | Early/Lower Eocene | ||
| Age range of interval: | 56.00000 - 47.80000 m.y. ago |
Stratigraphy
| Formation: | Negritos | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: STRATIGRAPHIC RELATIONS: Lithostratigraphic unit not stated in text; possibly from Negritos Fm. AGE: Not stated in text; Negritos Fm=Early Eocene. STRATIGRAPHIC POSITION: Unknown position within section. | |||||
Lithology and environment
| Primary lithology: | not reported |
| Lithology description: SPECIFIC LITHOLOGY: Unknown. LITHIFICATION: Unknown. | |
| Environment: | marine indet. |
| Geology comments: ENVIRONMENT: Shallow marine setting. | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection excludes: | some genera | ||
| Collection methods: | surface (in situ),field collection | ||
| Reason for describing collection: | taxonomic analysis | ||
| Museum repositories: | CAS | ||
| Collectors: | Gester | Collection dates: | 1914 |
| Collection method comments: COLLECTOR: G. C. Gester, 1914. REPOSITORY: CAS, California | |||
| Taxonomic list comments:COVERAGE: Comprehensive, but not exhaustive for gastropods and bivalves. NOMENCLATURE: Authoritative publication, with species-level assignments, but antiquated nomenclature. | |||
Metadata
| Database number: | 93756 | ||
| Authorizer: | A. Hendy | Enterer: | A. Hendy |
| Modifier: | A. Hendy | Research group: | marine invertebrate |
| Created: | 2010-02-01 12:03:06 | Last modified: | 2013-11-25 13:37:23 |
| Access level: | authorizer only | Released: | 2011-02-01 12:03:06 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 31881. | G. D. Hanna and M. C. Israelsky. 1925. Contributions to the Tertiary paleontology of Peru. Proceedings of the California Academy of Sciences 14(2):37-75 [A. Hendy/A. Hendy/J. Alroy] |