Location 62, Quebrancha Syncline (Caimito Formation) - Woodring (1957): Late/Upper Oligocene, Panama
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Gastropoda
- Turritellidae
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Turritella (Torcula) altilira
Conrad 1857
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| recombined as Turritella (Bactrospira) altilira | |||||||
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Turritella meroensis
Olsson 1931
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Gastropoda
- Cypraeidae
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Cypraea cf. chilona
Dall 1900
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Woodring 1959 | R category | |||||
| recombined as Loxacypraea chilona | |||||||
| see common names | |||||||
Geography
| Country: | Panama |
| Coordinates: | 9.3° North, 79.7° West (view map) |
| Paleocoordinates: | 7.8° North, 77.3° West |
| Basis of coordinate: | estimated from map |
| Geographic resolution: | outcrop |
Time
| Period: | Paleogene | Epoch: | Oligocene |
| Stage: | Chattian | 10 m.y. bin: | Cenozoic 4 |
| Key time interval: | Late/Upper Oligocene | ||
| Age range of interval: | 27.82000 - 23.03000 m.y. ago |
Stratigraphy
| Formation: | Caimito | Member: | Quebrancha Limestone | ||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: From lower part of limestone. The Caimito Formation consists of two members; the Quebrancha Limestone member, and the calcareous siltstone member. The Quebrancha Member is between 110 and 135 m in thickness. The lower member is a calcareous siltstone | |||||
Lithology and environment
| Primary lithology: | poorly lithified calcareous siltstone |
| Includes fossils? | Y |
| Lithology description: Calcareous siltstone. | |
| Environment: | marine indet. |
| Geology comments: No paleoenvironmentald data reported. | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | selective quarrying,field collection |
| Reason for describing collection: | taxonomic analysis |
| Museum repositories: | USNM |
| Collection method comments: Collected by Thompson and Woodring (1947). Material is also held (but not specified for any specific collection) at Stanford University, Acad. Nat. Sci. Phil., Corenell University, PRI, U. Cal. and Cal. Acad. Sci. | |
| Taxonomic list comments:Exhaustive for gastropoda. | |
Metadata
| Also known as: | USGS 16939; field #11 | ||
| Database number: | 42579 | ||
| Authorizer: | A. Hendy | Enterer: | A. Hendy |
| Modifier: | A. Hendy | Research group: | marine invertebrate |
| Created: | 2004-08-02 12:29:18 | Last modified: | 2013-11-25 13:37:23 |
| Access level: | the public | Released: | 2004-08-02 12:29:18 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 11306. | W. P. Woodring. 1957. Geology and Paleontology of Canal Zone and adjoining parts of Panama. United States Geological Survey Professional Paper 306(A) [A. Miller/A. Hendy/A. Hendy] |
Secondary references:
| 11372 | W. P. Woodring. 1959. Geology and paleontology of Canal Zone and adjoining parts of Panama: Description of Tertiary mollusks (gastropods: Vermetidae to Thaididae). United States Geological Survey Professional Paper 306(B):147-239 [A. Miller/A. Hendy/A. Hendy] |