Sta. 110 - Rio Guajataca [Quebradillas Limestone]: Middle Miocene, Puerto Rico
collected by Reeds 1915
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Gastropoda
- Naticidae
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Natica (Stigmaulax) sulcata
(Born 1778)
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| recombined as Stigmaulax sulcata | |||||||
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Gastropoda
- Strombidae
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Strombus cf. bifrons
Sowerby 1850
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Bivalvia
- Pholadida
- Teredinidae
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Teredo incrassata
(Gabb 1873)
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| original and current combination Kuphus incrassatus | |||||||
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Bivalvia
- Cardiida
- Tellinidae
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Metis trinitaria
Dall 1900
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= Florimetis chipolana
Dall 1900
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Woodring 1982 | ||||||
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Bivalvia
- Pectinida
- Spondylidae
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Spondylus lucasi
Maury 1920
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Bivalvia
- Ostreida
- Pteriidae
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Pteria inornata
(Gabb 1873)
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| see common names | |||||||
Geography
| Country: | Puerto Rico | County: | Isabella |
| Coordinates: | 18.5° North, 67.0° West (view map) | ||
| Paleocoordinates: | 18.4° North, 65.9° West | ||
| Basis of coordinate: | based on nearby landmark | ||
| Geographic resolution: | outcrop |
Time
| Period: | Neogene | Epoch: | Miocene |
| 10 m.y. bin: | Cenozoic 5 | ||
| Key time interval: | Middle Miocene | ||
| Age range of interval: | 15.98000 - 11.63000 m.y. ago |
Stratigraphy
| Formation: | Quebradillas Limestone | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: STRATIGRAPHIC RELATIONS: From the Quebradillas Limestone, which regionally overlie the Ponce chalky beds [subsequently referred to as Ponce Fm], and is laterally related to the Oak Grove Sands (Florida). AGE: Early-Middle Miocene based on macro- and microfaunal biostratigraphy in text. Here assigned to Middle Miocene based on more recent dating. STRATIGRAPHIC POSITION: From unknown position within formation. | |||||
Lithology and environment
| Primary lithology: | lithified "limestone" |
| Includes fossils? | Y |
| Lithology description: SPECIFIC LITHOLOGY: Limestone. LITHIFICATION: Lithified, on the basis of taphonomic data. | |
| Environment: | carbonate indet. |
| Geology comments: ENVIRONMENT: Shallow carbonate setting. | |
Taphonomy
| Modes of preservation: | body,cast,mold/impression |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | surface (in situ),field collection | ||
| Reason for describing collection: | taxonomic analysis | ||
| Collectors: | Reeds | Collection dates: | 1915 |
| Collection method comments: COLLECTOR: C. Reeds (AMNH), 1915. REPOSITORY: Not stated, but is likely to be AMNH, New York. | |||
| Taxonomic list comments:COVERAGE: Exhaustive for gastropoda and bivalvia. NOMENCLATURE: An authoritative publication but with quite antiquated nomenclature. Nevertheless, all taxa are identified to species and subgenus resolution. | |||
Metadata
| Database number: | 80240 | ||
| Authorizer: | A. Hendy | Enterer: | A. Hendy |
| Modifier: | A. Hendy | Research group: | marine invertebrate |
| Created: | 2008-04-09 20:40:53 | Last modified: | 2013-11-25 13:37:23 |
| Access level: | the public | Released: | 2008-04-09 20:40:53 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 26978. | C. J. Maury. 1920. Tertiary Mollusca from Porto Rico. Scientific Survey of Porto Rico and the Virgin Islands 3(1):1-78 [A. Hendy/A. Hendy/A. Hendy] |
Secondary references:
| 13359 | W. P. Woodring. 1982. Geology and paleontology of canal zone and adjoing parts of Panama: Description of Tertiary mollusks (Pelecypods: Propeamussiidae to Cuspidariidae). United States Geological Survey Professional Paper 306(F) [A. Miller/A. Hendy/A. Hendy] |