Location 54m, Gatun Lake area (Caimito Formation) - Woodring (1957): Late/Upper Oligocene, Panama

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Scaphopoda - Dentaliida - Dentaliidae
Dentalium (Fissidentalium) uscarianum Olsson 1922
Woodring 1973 f category
recombined as Fissidentalium uscarianum
Gastropoda - Neotaenioglossa - Calyptraeidae
? Calyptraea sp. Lamarck 1799
Gastropoda - Naticidae
? Neverita sp. Risso 1826
Gastropoda - Neogastropoda - Turridae
Scobinella aff. morierei (Cossmann 1913)
Woodring 1970 r category
Bivalvia - Nuculanida - Nuculanidae
Saccella subcerata (Woodring 1925)
Woodring 1973 r category
Bivalvia - Nuculida - Nuculidae
Acila (Acila) isthmica (Brown and Pilsbry 1911)
Woodring 1973 r category
Subspecies: Acila (Acila) isthmica isthmica
Bivalvia - Poromyida - Cuspidariidae
Cardiomya sp. Adams 1864
Woodring 1982 r category
Bivalvia - Cardiida - Tellinidae
Tellina sp. Linnaeus 1758
Woodring 1982 r category
Tellina (Eurytellina) punicea (Born 1778)
Woodring 1982 f category
recombined as Eurytellina punicea
Bivalvia - Lucinida - Lucinidae
Phacoides cerma Woodring 1982
Woodring 1982 r category
see common names

Geography
Country:Panama
Coordinates: 9.1° North, 79.9° West (view map)
Paleocoordinates:7.7° North, 77.5° West
Basis of coordinate:estimated from map
Geographic resolution:outcrop
Time
Period:Paleogene Epoch:Oligocene
Stage:Chattian 10 m.y. bin:Cenozoic 4
Key time interval:Late/Upper Oligocene
Age range of interval:27.82000 - 23.03000 m.y. ago
Stratigraphy
Formation:Caimito Member:Middle
Stratigraphic resolution:bed
Stratigraphy comments: From middle member. Three members of the Caimito Formation are recognized in the Gatun Lake area: lower, middle, and upper. The lower member is predominantly conglomerate and tuffaceous sandstone; the middle member consists of tuffaceous sandstone; the upper member comprises tuff and tuffaceous siltstone. The thickness of the Caimito Formation in the Gatun Lake area is around 300 m or more. Larger foraminifera support a late Oligocene age; corals favor a late Oligocene age, although early Miocene is unlikely; molluscs also confirm an Oligocene age.
Lithology and environment
Primary lithology:medium poorly lithified calcareous sandstone
Includes fossils?Y
Lithology description: Medium grained sandstone containing somewhat calcareous lumps.
Environment:coastal indet.
Geology comments: No paleoenvironmentald data reported.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils,microfossils
Collection methods and comments
Collection methods:selective quarrying,field collection
Reason for describing collection:taxonomic analysis
Museum repositories:USNM
Collection method comments: Collected by Woodring (1954). Material is also held (but not specified for any specific collection) at Stanford University, Acad. Nat. Sci. Phil., Corenell University, PRI, U. Cal. and Cal. Acad. Sci.
Taxonomic list comments:Exhaustive for gastropoda.
Metadata
Also known as:USGS 18843; field #213
Database number:42574
Authorizer:A. Hendy Enterer:A. Hendy
Modifier:A. Hendy Research group:marine invertebrate
Created:2004-08-02 12:28:35 Last modified:2013-11-25 13:37:23
Access level:the public Released:2004-08-02 12:28:35
Creative Commons license:CC BY
Reference information

Primary reference:
11306. W. P. Woodring. 1957. Geology and Paleontology of Canal Zone and adjoining parts of Panama. United States Geological Survey Professional Paper 306(A) [A. Miller/A. Hendy/A. Hendy]

Secondary references:

13236 W. P. Woodring. 1970. Geology and paleontology of canal zone and adjoing parts of Panama: Description of Tertiary mollusks (gastropods: Eulimidae, Marginellidae to Helminthoglyptidae). United States Geological Survey Professional Paper 306(D):299-452 [A. Miller/A. Hendy/A. Hendy]
13235 W. P. Woodring. 1973. Geology and paleontology of canal zone and adjoing parts of Panama: Description of Tertiary mollusks (additions to gastropods, scaphopods, pelecypods: Nuculidae to Malleidae). United States Geological Survey Professional Paper 306(E):453-539 [A. Miller/A. Hendy/A. Hendy]
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]