Also known as USGS Loc. 16915
Where: Panama (9.3° N, 79.9° W: paleocoordinates 9.0° N, 78.5° W)
• coordinate stated in text
• outcrop-level geographic resolution
When: middle Gatun Member (Gatun Formation), Tortonian (11.6 - 7.2 Ma)
• Middle part of the Gatun Formation. The Gatun Formation is subdivided 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 Sr dating for nearby sections indicates an age of approximately 9.9 Ma (Hendy, unpublished data).
• bed-level stratigraphic resolution
Environment/lithology: marine; unlithified, fine-grained, silty sandstone
Size class: macrofossils
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 93177: authorized by Austin Hendy, entered by Austin Hendy on 06.01.2010
Creative Commons license: CC BY (attribution)
Taxonomic list
Scaphopoda | |
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Bivalvia | |
Anadara (Rasia) dariensis6 Brown and Pilsbry 1911 ark SUBSPECIES: Anadara (Rasia) dariensis dariensis
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Lirophora (Panchione) mactropsis7, "Agriopoma (Pitarella) gatunensis" = Callocardia (Agriopoma) gatunensis7, Hysteroconcha sp.7, Gouldia costaricensis7, Clementia (Clementia) dariena7
Clementia (Clementia) dariena7 Conrad 1855 venus clam SUBSPECIES: Clementia (Clementia) dariena dariena
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Gastropoda | |
"Margarites" sp. Gray 1847 snail | |
"Calliostoma (Leiotrochus) eremum" = Calliostoma (Elmerlinia) eremum
"Calliostoma (Leiotrochus) eremum" = Calliostoma (Elmerlinia) eremum Woodring 1957 top snail | |
"Architectonica (Architectonica) nobilis" = Architectonica nobilis3
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Turritella (Torcula) gatunensis Conrad 1857 turret shell SUBSPECIES: Turritella (Torcula) gatunensis gatunensis
Turritella (Torcula) altilira Conrad 1857 turret shell | |
Stigmaulax guppiana, Natica (Natica) bolus, Polinices brunneus, Polinices ? stanislasmeunieri, Sinum gabbi
Stigmaulax guppiana Toula 1909 moon snail
Natica (Natica) bolus Brown and Pilsbry 1913 moon snail
Polinices ? stanislasmeunieri Maury 1917 moon snail
Sinum gabbi Brown and Pilsbry 1913 moon snail | |
Cyclostremiscus (Ponocyclas) pentagonus Gabb 1873 snail | |
"Pleurofusia acra" = Fusiturricula acra5
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Strombina (Strombina) ochyra4, Anachis (Costoanachis) mira4, "Strombina (Sincola) chiriquiensis" = Sincola (Sincola) chiriquiensis4, Mitrella limonensis4
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Metula gabbi4, Cymatophos subsemicostatus4, Hanetia dalli4, Strombinophos mimicus4, "Antillophos (Antillophos) candei" = Antillophos candeanus4
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Agladrillia (Agladrillia) enneacyma5, Agladrillia (Eumetadrillia) isthmica5, "Crassispira (Hindsiclava) consors" = Hindsiclava consors5, Clathrodrillia gatunensis5
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"Paziella (Panamurex) gatunensis" = Poirieria (Panamurex) gatunensis3, "Murex (Chicoreus) brevifrons" = Chicoreus (Chicoreus) brevifrons3, "Thais (Stramonita) aff. haemastoma" = Stramonita haemostoma3
"Paziella (Panamurex) gatunensis" = Poirieria (Panamurex) gatunensis3 Brown and Pilsbry 1911 murex snail | |
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"Carinodrillia (Carinodrillia) zooki" = Carinodrillia zooki5
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Crucibulum (Crucibulum) chipolanum Dall 1892 slipper shell
Crucibulum (Dispotaea) springvaleense Rutsch 1942 slipper shell
Crepidula cf. maculosa Conrad 1846 slipper shell |