CAS Loc. 347, La Popa Hill, near Cartagena [Tubará Fm]: Early/Lower Pliocene, Colombia
collected by Andeson
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Gastropoda
- Turritellidae
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Turritella perattenuata
Heilprin 1886
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| recombined as Turritella (Bactrospira) perattenuata | |||||||
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Bivalvia
- Ostreida
- Ostreidae
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Ostrea megodon
Hanley 1846
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= Ostrea messor
Maury 1925
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Weisbord 1964 | ||||||
| see common names | |||||||
Geography
| Country: | Colombia | State/province: | Bolívar |
| Coordinates: | 10.4° North, 75.5° West (view map) | ||
| Paleocoordinates: | 10.2° North, 74.8° West | ||
| Basis of coordinate: | based on nearby landmark | ||
| Geographic resolution: | outcrop |
Time
| Period: | Neogene | Epoch: | Pliocene |
| Stage: | Zanclean | 10 m.y. bin: | Cenozoic 6 |
| Key time interval: | Early/Lower Pliocene | ||
| Age range of interval: | 5.33300 - 3.60000 m.y. ago |
Stratigraphy
| Formation: | Tubará | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: LITHOSTRATIGRAPHY: From the Tubará Formation, which overlies the Las Pedices Group (Early Miocene), and is overlain by the Galapa Group (Late Miocene). AGE: Early Miocene, according Barrios (1960), but assigned by the enterer to the Early Pliocene based on more recent biostratigraphic correlations. STRATIGRAPHIC POSITION: From unknown position within section. | |||||
Lithology and environment
| Primary lithology: | poorly lithified "siliciclastic" |
| Includes fossils? | Y |
| Lithology description: SPECIFIC LITHOLOGY: Not stated in text, but apparently siliciclastic. LITHIFICATION: Poorly-lithified-unlithified, on the basis of figured specimens. | |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | surface (in situ),field collection |
| Reason for describing collection: | taxonomic analysis |
| Collectors: | Andeson |
| Collection method comments: COLLECTOR: F. Andeson, c. 1920's. REPOSITORY: California Academy of Sciences (CAS). | |
| Taxonomic list comments:COVERAGE: Exhaustive for bivalves and gastropods. NOMENCLATURE: Authoritative publication, with somewhat antiquated nomenclature, but with species-resolution identifications. | |
Metadata
| Database number: | 88313 | ||
| Authorizer: | A. Hendy | Enterer: | A. Hendy |
| Modifier: | A. Hendy | Research group: | marine invertebrate |
| Created: | 2009-04-06 20:20:43 | Last modified: | 2013-11-25 13:37:23 |
| Access level: | the public | Released: | 2009-04-06 20:20:43 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 29644. | F. M. Anderson. 1929. Marine Miocene and related deposits of North Colombia. Proceedings of the Academy of Sciences 18(4):73-213 [A. Hendy/A. Hendy] |
Secondary references:
| 11137 | N. E. Weisbord. 1964. Late Cenozoic pelecypods from northern Venezuela. Bulletins of American Paleontology 45(204):1-564 [A. Miller/A. Hendy/O. Alfaro] |