Where: Panama (9.3° N, 79.9° W: paleocoordinates 9.1° N, 78.5° W)
• coordinate stated in text
• outcrop-level geographic resolution
When: middle Gatun Member (Gatun Formation), Tortonian (11.6 - 7.2 Ma)
• Upper 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 Sr dating for nearby sections indicates an age of approximately 10.2 Ma (Hendy, unpublished data).
• bed-level stratigraphic resolution
Environment/lithology: coastal; poorly lithified, fine-grained, silty sandstone
Size class: macrofossils
Preservation: original aragonite
Reposited in the USNM
Collection methods: surface (in situ),
• COLLECTOR: Not stated in text. 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 93062: authorized by Austin Hendy, entered by Austin Hendy on 24.12.2009
Creative Commons license: CC BY (attribution)
Taxonomic list
Scaphopoda | |
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Gastropoda | |
"Architectonica (Architectonica) nobilis" = Architectonica nobilis4
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Turritella (Torcula) altilira Conrad 1857 turret shell | |
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Stigmaulax guppiana Toula 1909 moon snail
"Natica (Naticarius) stenopa" = Naticarius moon snail
Natica (Natica) bolus Brown and Pilsbry 1913 moon snail
Sinum gabbi Brown and Pilsbry 1913 moon snail | |
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Hanetia dali5, Metula gabbi5, "Antillophos (Antillophos) candei" = Antillophos candeanus5, Antillophos (Rhipophos) metuloides5
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"Crassispira (Hindsiclava) consors" = Hindsiclava consors6, Clathrodrillia gatunensis6, Agladrillia (Eumetadrillia) isthmica6
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Conus tortuosotriatus6, Conus burckhardti6, Conus imitator6, Conus molis6, "Conus multiliratus" = Conasprelloides multiliratus6
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"Oliva (Oliva) gatunensis" = Oliva gatunensis5
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"Prunum (Microspira) gatunense" = Prunum gatunense6
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"Paziella (Panamurex) gatunensis" = Poirieria (Panamurex) gatunensis4, "Typhis (Pilsbrytyphis) gabbi" = Siphonochelus (Pilsbrytyphis) gabbi4, Typhis (Pilsbrytyphis) woodringi7
"Paziella (Panamurex) gatunensis" = Poirieria (Panamurex) gatunensis4 Brown and Pilsbry 1911 murex snail
"Typhis (Pilsbrytyphis) gabbi" = Siphonochelus (Pilsbrytyphis) gabbi4 Brown and Pilsbry 1911 murex snail | |
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"Distorsio (Rhysema) decussata" = Distorsio decussata4
"Distorsio (Rhysema) decussata" = Distorsio decussata4 Valenciennes 1832 snail SUBSPECIES: Distorsio (Rhysema) decussata gatunensis
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"Carinodrillia (Carinodrillia) zooki" = Carinodrillia zooki6
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Bivalvia | |
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Anadara (Rasia) lienosa7, Anadara (Rasia) dariensis7, Anadara (Rasia) actinophora7, Anadara (Tosarca) veatchi7
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Lirophora (Panchione) mactropsis8, "Agriopoma (Pitarella) gatunensis" = Callocardia (Agriopoma) gatunensis8
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