Also known as USGS #16911
Where: Panama (9.3° N, 79.8° W: paleocoordinates 9.1° N, 78.4° W)
• coordinate stated in text
• outcrop-level geographic resolution
When: lower Gatun Member (Gatun Formation), Tortonian (11.6 - 7.2 Ma)
• Same stratigraphic position as following collection (52172). Lower 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: Tortonian based on more recent dating (Hendy, 2012). Sr dating for nearby sections indicates an age of approximately 11.3 Ma (Hendy, unpublished data).
• bed-level stratigraphic resolution
Environment/lithology: marine; poorly lithified, fine-grained, silty sandstone
•GENERAL: Massive medium-to very fine-grained sandstone and siltstone. Somewhat calcareous, or marly, somewhat tuffaceous, and with a clay-like matrix. The lower part of the formation consists principally of medium-very fine-grained sandstone.
Size class: macrofossils
Reposited in the USNM
Collection methods: quarrying,
• Collected by Woodring (1949). 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.
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 52171: authorized by Austin Hendy, entered by Austin Hendy on 28.07.2005
Creative Commons license: CC BY (attribution)
Taxonomic list
Scaphopoda | |
"Dentalium (Tesseracme) dissimile" = Tesseracme5
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Gastropoda | |
"Architectonica (Architectonica) nobilis" = Architectonica nobilis2
"Architectonica (Architectonica) nobilis" = Architectonica nobilis2 Röding 1798 sundial Subspecies: Architectonica (Architectonica) nobilis nobilis
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"Turritella (Torcula) alitilira" = Torcula, Turritella gatunensis, "Turritella bifastigata" = Turritella (Broderiptella) bifastigata, Turritella matarucana
"Turritella (Torcula) alitilira" = Torcula turret shell Subspecies: Turritella (Torcula) alitilira praecellens
"Turritella bifastigata" = Turritella (Broderiptella) bifastigata Nelson 1870 turret shell
Turritella matarucana Hodson 1926 turret shell | |
Crepidula cf. maculosa Conrad 1846 slipper shell
Crucibulum (Dispotaea) springvaleense Rutsch 1942 slipper shell
Calyptraea centralis Conrad 1841 slipper shell | |
"Neverita (Glossaulax) reclusiana" = Glossaulax reclusiana, Polinices stanislasmeunieri, Stigmaulax guppiana, Natica (Naticarius) stenopa n. sp.
"Neverita (Glossaulax) reclusiana" = Glossaulax reclusiana Deshayes 1839 moon snail Subspecies: Neverita (Glossaulax) reclusiana xena
Polinices stanislasmeunieri Maury 1917 moon snail
Stigmaulax guppiana Toula 1909 moon snail
Natica (Naticarius) stenopa n. sp. moon snail | |
"Teinostoma (Idioraphe) angulatum n. sp." = Teinostoma (Idioraphie), Teinostoma (Aepystoma) andrium
"Teinostoma (Idioraphe) angulatum n. sp." = Teinostoma (Idioraphie) snail Subpecies: Teinostoma (Idioraphe) angulatum trochalum
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Nassarius (Nassarius) parapristus3 Gardner 1944 snail Subspecies: Nassarius (Nassarius) parapristus conarus
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Cancellaria (Pyruclia) cibarcola4, Cancellaria sp.1, Bivetiella dariena1, "Cancellaria (Euclia) codazzii" = Euclia codazzii4, "Cancellaria (Naronia) barystoma" = Narona barystoma4
Cancellaria (Pyruclia) cibarcola4 Anderson 1929 snail Subspecies: Cancellaria (Pyruclia) cibarcola cibarcola
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Eupleura thompsoni n. sp.3
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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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"Trigoniocardia (Apiocardia) aminensis" = Trigoniocardia (Trigoniocardia) aminensis6, Trachycardium (Mexicardia) dominicanum6
"Trigoniocardia (Apiocardia) aminensis" = Trigoniocardia (Trigoniocardia) aminensis6 Dall 1900 cockle
Trachycardium (Mexicardia) dominicanum6 Dall 1900 cockle Subspecies: Trachycardium (Mexicardia) dominicanum costaricanum
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Lirophora (Lirophora) falconensis6, Chione (Chionopsis) tegulum6, Lamelliconcha cora6, "Tivela mactroides" = Tivela (Tivela) mactroides6, "Macrocallista (Paradione) maculata" = Macrocallista maculata6
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