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
Turritella altilira Conrad 1857
C category
recombined as Turritella (Bactrospira) altilira
Gastropoda - Neogastropoda - Olividae
Niteoliva terryi Olsson 1956
C category
Gastropoda - Neogastropoda - Buccinidae
Cymatophos veatchi (Olsson 1922)
C category
Solenosteira dalli Brown and Pilsbry 1911
R category
recombined as Hanetia dalli
Gastropoda - Neogastropoda - Terebridae
Strioterebrum spiriferum (Dall 1895)
R category
Gastropoda - Naticidae
Polinices stanislasmeunieri Maury 1917
R category
Bivalvia - Pectinida - Pectinidae
Leptopecten ecnomius Woodring 1982
C category
Bivalvia - Pholadida - Corbulidae
Varicorbula disparilis (d'Orbigny 1853)
C category
Bivalvia - Cardiida - Veneridae
Cyclinella cyclica (Guppy 1866)
R category
Macrocallista (Paradione) maculata (Linnaeus 1758)
C category
recombined as Macrocallista maculata
Chionopsis tegulum (Brown and Pilsbry 1911)
R category
Bivalvia - Cardiida - Cardiidae
Trigoniocardia sp. Dall 1900
C category
Mexicardia dominicanum (Dall 1900)
R category
Bivalvia - Cardiida - Tellinidae
Psammacoma gatunensis (Toula 1909)
R category
Bivalvia - Cardiida - Semelidae
Ervilia sp. Turton 1822
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Basis of coordinate:unpublished field data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 AGE: Tortonian, on the basis of revised chronostratigraphy (Hendy, unpublished data); direct date is extrapolated from sequence of 87Sr/86Sr data calibrated to stratigraphic height.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]