Also known as USGS 5846; WG160
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 Sr dating for nearby sections indicates an age of approximately 10.1 Ma (Hendy, unpublished data). STRATIGRAPHIC POSITION: Just above contact with Caimito Sandstone [???]
• bed-level stratigraphic resolution
Environment/lithology: marine; poorly lithified siltstone and poorly lithified, silty sandstone
Size class: macrofossils
Preservation: original aragonite
Collected by MacDonald in 1911; reposited in the USNM
Collection methods: surface (float), surface (in situ),
• COLLECTOR: D.F. MacDonald, 1911. 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 145332: authorized by Austin Hendy, entered by Austin Hendy on 01.06.2013, edited by Catalina Pimiento
Creative Commons license: CC BY (attribution)
Taxonomic list
Chondrichthyes | |
| |
| |
Echinoidea | |
Encope annectans Jackson 1917 sand dollar | |
Gastropoda | |
Crucibulum (Crucibulum) chipolanum Dall 1892 slipper shell
Crucibulum (Dispotaea) cf. springvaleense Rutsch 1942 slipper shell | |
Turritella (Torcula) altilira Conrad 1857 turret shell SUBSPECIES: Turritella (Torcula) altilira altilira
| |
| |
| |
| |
| |
"Semicassis (Tylocassis) reclusa" = Semicassis reclusa2
| |
Bivalvia | |
| |
| |
| |
| |
"Macrocallista (Paradione) maculata" = Macrocallista maculata5, Chione (Chionopsis) tegulum5, Lirophora (Panchione) mactropsis5, Dosinia (Dosinia) delicatissima5, "Agiopoma (Pitarella) gatunensis" = Callocardia (Agriopoma) gatunensis5, Lamelliconcha cora5, Pitar (Hyphantosoma) centangulatus5, Cyclinella cyclica5, Clementia (Clementia) dariena5
| |
| |
"Laevicardium laevigatum" = Laevicardium serratum5, "Lophocardium gurabicum" = Nemocardium (Lophocardium) gurabicum5, Dinocardium cf. cabezai5, Trachycardium (Phlogocardia) striatum5, Trachycardium (Dallocardia) dominicense5
Trachycardium (Dallocardia) dominicense5 Gabb 1873 cockle SUBSPECIES: Trachycardium (Dallocardia) dominicense dominicense
| |
| |
| |
| |
"Glycymeris (Tucetona) pectinata" = Tucetona pectinata4
"Glycymeris (Tucetona) pectinata" = Tucetona pectinata4 Gmelin 1791 clam SUBSPECIES: Glycymeris (Tucetona) pectinata canalis
| |
"Noetia (Noetia) reversa" = Noetia reversa4
"Noetia (Noetia) reversa" = Noetia reversa4 Sowerby 1833 clam SUBSPECIES: Noetia (Noetia) reversa macdonaldi
| |
| |
|