Also known as USGS #22018
Where: Panama (9.3° N, 79.8° W: paleocoordinates 9.1° N, 78.5° W)
• coordinate stated in text
• outcrop-level geographic resolution
When: lower Gatun Member (Gatun Formation), Tortonian (11.6 - 7.2 Ma)
• 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: 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 Sr dating for nearby sections indicates an age of approximately 10.9 Ma (Hendy, unpublished data).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. 1982. Geology and paleontology of canal zone and adjoing parts of Panama: Description of Tertiary mollusks (Pelecypods: Propeamussiidae to Cuspidariidae). United States Geological Survey Professional Paper 306(F) [A. Miller/A. Hendy/A. Hendy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 93160: 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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Gastropoda | |
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"Fasciolaria gorgasiana" = Pleuroploca gorgasiana4
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Cancellaria acalypta5, Bivetiella dariena1, "Trigonostoma cf. scalatella" = Axelella scalatella5, "Cancellaria (Euclia) codazzii" = Euclia codazzii5, "Cancellaria (Narona) barystoma" = Narona barystoma5
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"Crassispira (Hindsiclava) consors" = Hindsiclava consors5, Clathrodrillia gatunensis5, Agladrillia (Agladrillia) acaria5, Agladrillia (Agladrillia) enneacyma5, Agladrillia (Eumetadrillia) isthmica5
Agladrillia (Agladrillia) acaria5 Mansfield 1925 snail SUBSPECIES: Agladrillia (Agladrillia) acaria ectypha
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Strioterebrum spiriferum5, Strioterebrum oresignum5, Strioterebrum indocayapum5, Terebra (Oreoterebra) isaacpetiti5, Terebra (Oreoterebra) subsulcifera5, Terebra (Panaterebra) cucurrupiensis5
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"Prunum (Microspira) gatunense" = Prunum gatunense5
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Euclathurella (Miraclathurella) eucharis5, "Carinodrillia (Carinodrillia) cf. elocata" = Carinodrillia elocata5, Crassispira (Crassispirella) tyloessa5
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Bivalvia | |
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"Crenella divaricata" = Crenella decussata6
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Hyotissa haitensis Sowerby 1850 oyster | |
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"Trigoniocardia (Apiocardia) aminensis" = Trigoniocardia (Trigoniocardia) aminensis, Trachycardium (Dallocardia) baiterum
"Trigoniocardia (Apiocardia) aminensis" = Trigoniocardia (Trigoniocardia) aminensis Dall 1900 cockle
Trachycardium (Dallocardia) baiterum Woodring 1982 cockle | |
Ervilia valhosierr Gardner 1928 clam | |
Tellina (Eurytellina) angulosa Gmelin 1791 tellin clam SUBSPECIES: Tellina (Eurytellina) angulosa costaricana
Psammacoma gatunensis Toula 1909 tellin clam
Tellina (Merisca) aequistriata Say 1824 tellin clam | |
Alveinus rotundus Dall 1900 clam | |
Arcinella acrinella jewel box
Chama berjadinensis Hodson 1927 jewel box | |
Lirophora (Lirophora) falconensis, Chione (Chionopsis) tegulum, Pitar (Hyphantosoma) centangulatus, "Agriopoma (Pitarella) gatunensis" = Callocardia (Agriopoma) gatunensis, Clementia (Clementia) dariena, Cyclinella cyclica, "Macrocallista (Paradione) maculata" = Macrocallista maculata, Gouldia costaricensis
Lirophora (Lirophora) falconensis Hodson et al. 1927 venus clam
Chione (Chionopsis) tegulum Brown and Pilsbry 1911 venus clam
Pitar (Hyphantosoma) centangulatus Brown and Pilsbry 1911 venus clam
"Agriopoma (Pitarella) gatunensis" = Callocardia (Agriopoma) gatunensis Dall 1903 venus clam
Clementia (Clementia) dariena Conrad 1855 venus clam SUBSPECIES: Clementia (Clementia) dariena dariena
Cyclinella cyclica Guppy 1866 venus clam
"Macrocallista (Paradione) maculata" = Macrocallista maculata Linnaeus 1758 venus clam
Gouldia costaricensis Olsson 1922 venus clam | |
Bothrocorbula (Hexacorbula) gatunensis Toula 1909 clam
Varicorbula disparilis d'Orbigny 1853 clam | |
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Bellucina actinus Dall 1903 clam | |
Crassinella martinicensis d'Orbigny 1853 clam |