Also known as USGS 8395; WG161a
Where: Colon, Panama (9.3° N, 79.9° W: paleocoordinates 9.0° N, 78.6° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: middle Gatun Member (Gatun Formation), Tortonian (11.6 - 7.2 Ma)
• LITHOSTRATIGRAPHY: From middle part of the Gatun Formation. The Gatun Formation is sibdivided into three faunal zones (proposed by Thomson and Keen, 1946): lower, middle, and upper. AGE: Late Miocene, on the basis of microfossil biostratigraphy (see Collins and Coates, 1999), refined by enterer to Tortonian based on more recent dating (Hendy, 2012). Sr dating for nearby sections indicates an age of approximately 10.1 Ma (Hendy, unpublished data).
• bed-level stratigraphic resolution
Environment/lithology: marine; poorly lithified siltstone and poorly lithified, silty sandstone
Size class: macrofossils
Preservation: original aragonite
Collected by Olsson in 1918; reposited in the USNM
Collection methods: surface (float), surface (in situ),
• COLLECTOR: A.A. Olsson. REPOSITORY: USNM.
Primary reference: 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]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 145335: authorized by Austin Hendy, entered by Austin Hendy on 01.06.2013
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
Polinices canalizonalis moon snail
"Natica (Naticarius) stenopa" = Naticarius moon snail
Natica (Natica) bolus Brown and Pilsbry 1913 moon snail | |
"Xancus validus" = Turbinella valida3
"Xancus validus" = Turbinella valida3 Sowerby 1850 snail Xancus validus falconensis in Woodring (1964); Xancus dodonaius praelavigatus
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"Cancellaria (Cancellaria) epistomifera" = Bivetiella epistomifera4
"Cancellaria (Cancellaria) epistomifera" = Bivetiella epistomifera4 Guppy 1876 snail SUBSPECIES: Cancellaria (Cancellaria) epistomifera dariena
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"Crassispira (Hindsiclava) consors" = Hindsiclava consors4 Sowerby 1850 snail SUBSPECIES: Crassispira (Hindsiclava) consors consors
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"Antillophos (Antillophos) candei" = Antillophos candeanus3, Cymatophos veatchi3, Hanetia dalli3, Metula gabbi3
"Antillophos (Antillophos) candei" = Antillophos candeanus3 d'Orbigny 1842 true whelk SUBSPECIES: Antillophos (Antillophos) candei gatunensis
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"Oliva (Oliva) gatunensis" = Oliva gatunensis3
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"Paziella (Panamurex) gatunensis" = Poirieria (Panamurex) gatunensis2
"Paziella (Panamurex) gatunensis" = Poirieria (Panamurex) gatunensis2 Brown and Pilsbry 1911 murex snail | |
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Scaphopoda | |
Dentalium (Dentalium) armillatum5 tusk shell SUBSPECIES: Dentalium (Dentalium) armillatum armillatum
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Bivalvia | |
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Anadara (Rasia) dariensis5 Brown and Pilsbry 1911 ark SUBSPECIES: Anadara (Rasia) dariensis dariensis
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"Macrocallista (Paradione) maculata" = Macrocallista maculata6, "Agiopoma (Pitarella) gatunensis" = Callocardia (Agriopoma) gatunensis6
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Trachycardium (Dallocardia) dominicense6 Gabb 1873 cockle SUBSPECIES: Trachycardium (Dallocardia) dominicense dominicense
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Tellina (Eurytellina) angulosa6 Gmelin 1791 tellin clam SUBSPECIES: Tellina (Eurytellina) angulosa costaricana
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