STRI Loc. 290305, Sample 6 [lower Gatun Fm]: Tortonian, Panama
collected by Hendy 2011
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Gastropoda
- Turritellidae
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Turritella altilira
Conrad 1857
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C category | ||||||
recombined as Turritella (Bactrospira) altilira | |||||||
Gastropoda
- Neogastropoda
- Olividae
|
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Niteoliva terryi
Olsson 1956
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C category | ||||||
Gastropoda
- Neogastropoda
- Buccinidae
|
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Cymatophos veatchi
(Olsson 1922)
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C category | ||||||
Solenosteira dalli
Brown and Pilsbry 1911
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R category | ||||||
recombined as Hanetia dalli | |||||||
Gastropoda
- Neogastropoda
- Terebridae
|
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Strioterebrum spiriferum
(Dall 1895)
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R category | ||||||
Gastropoda
- Naticidae
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Polinices stanislasmeunieri
Maury 1917
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R category | ||||||
Bivalvia
- Pectinida
- Pectinidae
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Leptopecten ecnomius
Woodring 1982
|
C category | ||||||
Bivalvia
- Pholadida
- Corbulidae
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Varicorbula disparilis
(d'Orbigny 1853)
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C category | ||||||
Bivalvia
- Cardiida
- Veneridae
|
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Cyclinella cyclica
(Guppy 1866)
|
R category | ||||||
Macrocallista (Paradione) maculata
(Linnaeus 1758)
|
C category | ||||||
recombined as Macrocallista maculata | |||||||
Chionopsis tegulum
(Brown and Pilsbry 1911)
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R category | ||||||
Bivalvia
- Cardiida
- Cardiidae
|
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Trigoniocardia sp.
Dall 1900
|
C category | ||||||
Mexicardia dominicanum
(Dall 1900)
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R category | ||||||
Bivalvia
- Cardiida
- Tellinidae
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Psammacoma gatunensis
(Toula 1909)
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R category | ||||||
Bivalvia
- Cardiida
- Semelidae
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Ervilia sp.
Turton 1822
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R category | ||||||
see common names |
Geography
Country: | Panama | State/province: | Colon |
Coordinates: | 9.3° North, 79.8° West (view map) | ||
Paleocoordinates: | 9.1° North, 78.4° West | ||
Basis of coordinate: | unpublished field data | ||
Geographic resolution: | small collection |
Time
Period: | Neogene | Epoch: | Miocene |
Stage: | Tortonian | 10 m.y. bin: | Cenozoic 6 |
Key time interval: | Tortonian | ||
Age range of interval: | 11.62000 - 7.24600 m.y. ago | ||
Age estimate: | 11.1 Ma (other) |
Stratigraphy
Formation: | Gatun | Member: | lower Gatun | ||
Local section: | STRI Loc. 290305 | Local bed: | 2.5 m | ||
Local order: | bottom to top | ||||
Regional section: | Canal Basin | Regional bed: | 99.0 m | ||
Regional order: | bottom to top | ||||
Stratigraphic resolution: | bed | ||||
Stratigraphy comments: STRATIGRAPHIC RELATIONS: From the Gatun Fm, which regionally overlies the Caimito Fm or Mesozoic basement. AGE: Tortonian, on the basis of revised chronostratigraphy (Hendy, unpublished data); direct date is extrapolated from sequence of 87Sr/86Sr data calibrated to stratigraphic height. STRATIGRAPHIC POSITION: From lower member of the Gatun Formation. |
Lithology and environment
Primary lithology: | shelly/skeletal poorly lithified sandy siltstone |
Includes fossils? | Y |
Lithology description: SPECIFIC LITHOLOGY: Sandy siltstone, some bioturbation, dense packing of shells. LITHIFICATION: Poorly-lithified, based on observations of material. | |
Environment: | coastal indet. |
Geology comments: ENVIRONMENT: Shallow-marine, siliciclastic environment. |
Taphonomy
Modes of preservation: | body,original aragonite |
Degree of concentration: | dispersed |
Size of fossils: | macrofossils,mesofossils |
Spatial orientation: | random |
Preservation of anatomical detail: | good |
Abundance in sediment: | abundant |
Size sorting: | medium |
Fragmentation: | occasional |
Bioerosion: | none |
Encrustation: | none |
Temporal resolution: | time-averaged |
Spatial resolution: | autochthonous |
Collection methods and comments
Collection methods: | surface (in situ),field collection | ||
Reason for describing collection: | paleoecologic analysis | ||
Museum repositories: | FLMNH | ||
Collectors: | Hendy | Collection dates: | 2011 |
Collection method comments: COLLECTOR: A. Hendy, 1/30/2011. REPOSITORY: FLMNH, Gainsville, Florida. | |||
Taxonomic list comments:COVERAGE: Exhaustive for gastropods, bivalves, scaphopods, as well as echinoids (where present). NOMENCLATURE: Not an authoritative publication, but with modern nomenclature and species-resolution identifications. |
Metadata
Also known as: | Urbanization Alborada | ||
Database number: | 142902 | ||
Authorizer: | A. Hendy | Enterer: | A. Hendy |
Modifier: | A. Hendy | Research group: | marine invertebrate |
Created: | 2013-04-18 01:55:53 | Last modified: | 2013-11-25 13:37:23 |
Access level: | the public | Released: | 2013-04-18 01:55:53 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
46253. | A. J. W. Hendy. 2013. Spatial and stratigraphic variation in marine paleoenvironments in the Late Miocene Gatun Formation, Isthmus of Panama. Palaios [A. Hendy/A. Hendy] |