Also known as USGS Loc. 20956
Where: Panama (9.0° N, 79.6° W: paleocoordinates 8.4° N, 77.5° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: upper Member (Culebra Formation), Burdigalian (20.4 - 16.0 Ma)
• LITHOSTRATIGRAPHY: From the Culebra Formation, which unconformably overlies the Las Cascadas agglomerate; reassigned to La Boca Fm in subsequent publications of Woodring (e.g., 1973, 1982), but further emended by Kirby et al. (2009) to the lower member of the Culebra Formation. AGE: Early Miocene in text; direct date extrapolated from Kirby et al. (1999), =Burdigalian. STRATIGRAPHIC POSITION: Assumed to be from upper part of formation.
• bed-level stratigraphic resolution
Environment/lithology: coastal; poorly lithified, pebbly conglomerate and conglomeratic sandstone
Size class: macrofossils
Reposited in the USNM
Collection methods: quarrying,
• Collected by MacDonald (1911). 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. Locality now unaccessible (submerged).
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 49493: authorized by Austin Hendy, entered by Austin Hendy on 17.04.2005
Creative Commons license: CC BY (attribution)
Taxonomic list
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Lamelliconcha cf. aequicincta4, Pitar (Pitar) aff. quirosanus4, Pitar (Hyphantosoma) centangulatus4, Lirophora (Panchione) "sp. a"4, Chione (Chionopsis) propinqua4, Ventricolaria harrisiana4, "Macrocallista (Paradione) maculata" = Macrocallista maculata4, Tivela (Tivela) mactroides4, Clementia (Clementia) dariena4
Clementia (Clementia) dariena4 Conrad 1855 venus clam Subspecies: Clementia (Clementia) dariena dariena
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Solecurtus aff. broggii4 Pilsbry and Olsson 1941 clam Subspecies: Solecurtus aff. broggii gatunensis
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"Glycymeris (Tucetona) secticostata" = Tucetona3, "Glycymeris (Tucetona) pectinata" = Tucetona pectinata3, Glycymeris (Glycymeris) carbasina3
"Glycymeris (Tucetona) secticostata" = Tucetona3 clam Subspecies: Glycymeris (Tucetona) secticostata schencki
"Glycymeris (Tucetona) pectinata" = Tucetona pectinata3 Gmelin 1791 clam Subspecies: Glycymeris (Tucetona) pectinata canalis
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Anadara (Rasia) athroa3, Anadara (Grandiarca) balboai3, Barbatia (Barbatia) cf. cancellaria3, Acar domingensis3
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"Crassostrea cahobasensis" = Striostrea cahobasensis4
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Gastropoda | |
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"Architectonica (Architectonica) nobilis" = Architectonica nobilis3
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