CASG - Quebrada Camerones [Esmeraldas Fm]: Early Pliocene, Ecuador
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Gastropoda
- Neogastropoda
- Columbellidae
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Cotonopsis (Cotonopsis) esmeraldensis
(Olsson 1964)
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10 specimens | |||||||||
| Includes specimen lots CASG# 61333 and 60736 | ||||||||||
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Strombina (Strombina) cf. zorritosensis
(Olsson 1932)
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2 specimens | |||||||||
| see common names | ||||||||||
Geography
| Country: | Ecuador |
| Coordinates: | 1.0° North, 79.6° West (view map) |
| Paleocoordinates: | 1.3° North, 78.5° West (Wright 2013) |
| Basis of coordinate: | based on nearby landmark |
| Geographic resolution: | small collection |
Time
| Period: | Neogene | Epoch: | Pliocene |
| Stage: | Zanclean | 10 m.y. bin: | Cenozoic 6 |
| Key time interval: | Early Pliocene | ||
| Age range of interval: | 5.333 - 3.6 m.y. ago |
Stratigraphy
| Formation: | Esmeraldas | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: LITHOSTRATIGRAPHY: From the Esmeraldas Formation, for which lithostratigraphic relationships are not discussed. AGE: Early Pliocene; upper part of the Globorotalia margarita Zone according to personal communication of F. Rögl. STRATIGRAPHIC POSITION: From unknown position within section. | |||||
Lithology and environment
| Primary lithology: | "siliciclastic" |
| Includes fossils? | Y |
| Lithology description: LITHIFICATION: Unknown. LITHOLOGY: No lithologic data provided, but assumed to be siliciclastic. | |
| Environment: | marine indet. |
| Geology comments: No paleoenvironmental data provided. | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection excludes: | some genera,some macrofossils |
| Collection methods: | surface (in situ),survey of museum collection |
| Reason for describing collection: | taxonomic analysis |
| Museum repositories: | CAS |
| Collection method comments: COLLECTOR: Unknown. REPOSITORY: California Academy of Sciences Geology (CASG) | |
| Taxonomic list comments:NOMENCLATURE: Authoritative publication, with species-resolution identifications, and modern nomenclature. COVERAGE: Limited to taxa described in text. | |
Metadata
| Database number: | 131299 | ||
| Authorizer: | A. Hendy | Enterer: | A. Hendy |
| Modifier: | A. Hendy | Research group: | marine invertebrate |
| Created: | 2012-07-22 16:15:03 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | authorizer only | Released: | 2014-07-22 16:15:03 |
| Creative Commons license: | CC0 |
Reference information
Primary reference:
| 26828. | P. Jung. 1989. Revision of the Strombina-group (Gastropoda; Columbellidae), fossil and living. Schweierische Paläontologische Abhandlungen 111:1-298 [A. Hendy/A. Hendy/A. Hendy] |