Also known as USGS 8382; WG161c
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 Sr dating for nearby sections indicates an age of approximately 10.1 Ma (Hendy, unpublished data).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 145337: authorized by Austin Hendy, entered by Austin Hendy on 01.06.2013
Creative Commons license: CC BY (attribution)
Taxonomic list
Scaphopoda | |
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Gastropoda | |
"Architectonica (Architectonica) nobilis" = Architectonica nobilis1
"Architectonica (Architectonica) nobilis" = Architectonica nobilis1 Röding 1798 sundial SUBSPECIES: Architectonica (Architectonica) nobilis nobilis
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"Atys (Aliculastrum) eurys" = Aliculastrum3
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"Neritina (Vitta) cf. virginia" = Neritina virginea
"Neritina (Vitta) cf. virginia" = Neritina virginea Linnaeus 1758 snail | |
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"Turritella mimetes" = Turritella (Broderiptella) mimetes, Turritella (Torcula) altilira, Turritella matarucana, Turritella abrupta
"Turritella mimetes" = Turritella (Broderiptella) mimetes Brown and Pilsbry 1911 turret shell
Turritella (Torcula) altilira Conrad 1857 turret shell SUBSPECIES: Turritella (Torcula) altilira altilira
Turritella matarucana Hodson 1926 turret shell
Turritella abrupta Spieker 1922 turret shell | |
"Trochita trochiformis" = Calyptraea (Trochita) trochiformis
"Trochita trochiformis" = Calyptraea (Trochita) trochiformis Gmelin 1791 slipper shell | |
Polinices brunneus, Polinices stanislasmeunieri, Neverita (Hypterita) helicoides, Stigmaulax guppiana, "Natica (Naticarius) stenopa" = Naticarius, Natica (Natica) bolus
Polinices stanislasmeunieri Maury 1917 moon snail
Neverita (Hypterita) helicoides Gray 1825 moon snail
Stigmaulax guppiana Toula 1909 moon snail
"Natica (Naticarius) stenopa" = Naticarius moon snail
Natica (Natica) bolus Brown and Pilsbry 1913 moon snail | |
Anachis (Costoanachis) mira2, Strombina (Strombina) lessepsiana2, Strombinella olssoni2, "Strombina (Sincola) chiriquiensis" = Sincola (Sincola) chiriquiensis2
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Cancellaria (Pyruclia) cibarcola3, "Cancellaria (Cancellaria) epistomifera" = Bivetiella epistomifera3, Aphera islacoloni3
Cancellaria (Pyruclia) cibarcola3 Anderson 1929 snail SUBSPECIES: Cancellaria (Pyruclia) cibarcola cibarcola
"Cancellaria (Cancellaria) epistomifera" = Bivetiella epistomifera3 Guppy 1876 snail SUBSPECIES: Cancellaria (Cancellaria) epistomifera dariena
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Lepicythara heptagona3, "Pleurolira (Polystira) sp." = Pleuroliria3, "Pleurofusia (Cruziturricula) fusinus" = Cruziturricula fusinus3
"Pleurofusia (Cruziturricula) fusinus" = Cruziturricula fusinus3 Brown and Pilsbry 1911 turrid SUBSPECIES: Pleurofusia (Cruziturricula) fusinus fusinus
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Bivalvia | |
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"Crenella ecuadoriana" = Crenella decussata4
"Crenella ecuadoriana" = Crenella decussata4 Montagu 1808 clam SUBSPECIES: Crenella ecuadoriana santiaga
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"Trigoniocardia (Apiocardia) aminensis" = Trigoniocardia (Trigoniocardia) aminensis5
"Trigoniocardia (Apiocardia) aminensis" = Trigoniocardia (Trigoniocardia) aminensis5 Dall 1900 cockle | |
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Chione (Chionopsis) tegulum5, Lamelliconcha cora5, "Tivela mactroides" = Tivela (Tivela) mactroides5
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