USGS 9215: Middle Miocene, Trinidad and Tobago
collected by Penny, Bullbrook
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Gastropoda
- Turritellidae
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Turritella aff. altilirata
Grzybowski 1899
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| SUBSPECIES: T. altilirata chiriquiensis and T. altilirata altilirata | ||||||||||
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Turritella gatunensis
Conrad 1857
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| SUBSPECIES: T. gatunensis caronensis | ||||||||||
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= Turritella (Broderiptella) caronensis
Mansfield 1925
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Landau and Marques da Silva 2010 | |||||||||
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Gastropoda
- Neogastropoda
- Muricidae
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Typhis sp.
Montfort 1810
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Malacostraca
- Decapoda
- Hexapodidae
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Thaumastoplax prima
Rathbun 1918
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| see common names | ||||||||||
Geography
| Country: | Trinidad and Tobago | County: | Caroni |
| Coordinates: | 10.4° North, 61.3° West (view map) | ||
| Paleocoordinates: | 10.1° North, 58.8° West | ||
| Basis of coordinate: | stated in text | ||
| 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
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: STRATIGRAPHIC RELATIONS: From unknown lithostratigraphic unit. THICKNESS: Unknown AGE: Stated to be "Middle or Lower Miocene" in text, but potentially could be younger in more recent revisions; a Middle Miocene age is assigned here. STRATIGRAPHIC POSITION: Unknown. | |||||
Lithology and environment
| Primary lithology: | unlithified "siliciclastic" |
| Includes fossils? | Y |
| Lithology description: SPECIFIC LITHOLOGY: Unknown, presumably siliciclastic. LITHIFICATION: Assumed to be unlithified based figured specimes (free of sediment). | |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
| Preservation of anatomical detail: | good |
Collection methods and comments
| Collection excludes: | some macrofossils |
| Collection methods: | field collection |
| Reason for describing collection: | taxonomic analysis |
| Museum repositories: | USNM |
| Collectors: | Penny, Bullbrook |
| Collection method comments: COLLECTORS: F. W. Penny and J. A. Bullbrook (unknown date, but presumably during the 1910's-early 1920's). REPOSITORY: USNM. | |
| Taxonomic list comments:COVERAGE: Exhaustive for gastropoda and scaphopoda. Bivalvia not listed, but presumably present. NOMENCLATURE: Authoritative publication with subgenus and species assignments, but with antiquated nomenclature reflecting present usage. | |
Metadata
| Database number: | 74919 | ||
| Authorizer: | A. Hendy | Enterer: | A. Hendy | Research group: | marine invertebrate |
| Created: | 2007-09-05 21:33:31 | Last modified: | 2013-11-25 13:37:23 |
| Access level: | authorizer only | Released: | 2008-09-05 21:33:31 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 25271. | W. C. Mansfield. 1925. Miocene gastropods and scaphopods from Trinidad, British West Indies. Proceedings of the United States National Museum 66(22):9116-9125 [A. Hendy/A. Hendy] |
Secondary references:
| 36423 | B. Landau and C. Marques da Silva. 2010. Early Pliocene gastropods of Cubagua, Venezuela: Taxonomy, palaeobiogeography and ecostratigraphy. Palaeontos 19:1-221 [A. Hendy/A. Hendy] |