Where: Panama (9.2° N, 80.3° W: paleocoordinates 8.9° N, 78.9° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Río Indio Member (Chagres Sandstone Formation), Tortonian (11.6 - 7.2 Ma)
• LITHOSTRATIGRAPHY: Chagres Sandstone overlies and partly overlaps the Gatun Fm. Calcareous strata at the base of the formation throughout most of the outcrop area in the Canal Zone constitutes the Toro Limestone Mbr. The Chagres Sandstone is as much as 1000 ft thick. AGE: Late Miocene (late Tortonian-Messinian) according to Collins and Coates 1999), but Río Indio facies are also thought to be Pliocene in age; Sr dating by the enterer (Hendy, unpubl.) indicates an age of approximately 7.6 Ma. STRATIGRAPHIC POSITION: From the Río Indio facies.
• bed-level stratigraphic resolution
Environment/lithology: offshore; poorly lithified, gray siltstone
Size class: macrofossils
Collected by Jung et al. in 1998; reposited in the NMB
Collection methods: bulk, sieve,
• COLLECTOR: Jung, Coates, Todd, Fortunato & Aguilera, 16.1.1998. RESPOSITORY: NMB, Basel, Switzerland.
Primary reference: B. Landau, R. E. Petit, and C. M. Silva. 2012. New Cancellariidae (Mollusca, Gastropoda) from the Miocene Gatun Formation of Panama, with eleven new species. Journal of Paleontology 86(6):907-930 [A. Hendy/A. Hendy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 136006: authorized by Austin Hendy, entered by Austin Hendy on 14.11.2012
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
Oliva (Oliva) sp. Bruguière 1789 olive snail | |
Antillophos (Antillophos) sp. Woodring 1928 true whelk | |
Nassarius sp. Duméril 1806 snail | |
Fasciolaria sp. Lamarck 1799 tulip snail | |
Strombina (Strombina) sp. Mörch 1858 snail | |
"Cancellaria (Massyla) sp." = Massyla Adams and Adams 1854 snail
Cancellaria sathra Woodring 1973 snail
Cancellaria (Cancellaria) sp. Lamarck 1799 snail | |
Conus sp. Linnaeus 1758 cone shell | |
Agladrillia (Eumetadrillia) sp. Woodring 1928 snail
Hindsiclava sp. Hertlein and Strong 1955 snail | |
Terebra (Oreoterebra) sp. Olsson 1967 auger snail | |
"Semicassis (Tylocassis) granulata" = Semicassis granulata, Sconsia sp.
"Semicassis (Tylocassis) granulata" = Semicassis granulata Born 1778 snail
Sconsia sp. Gray 1847 snail | |
Anticlimax (Subclimax) sp. Pilsbry and McGinty 1946 snail | |
Polinices sp. Monfort 1810 moon snail
Stigmaulax sp. Morch 1852 moon snail | |
Architectonica sp. Röding 1798 sundial | |
Bivalvia | |
Acila sp. Adams and Adams 1858 divaricate nutclam | |
Saccella sp. Woodring 1925 pointed nut clam | |
"Varicorbula sp." = Corbula (Varicorbula), Caryocorbula sp.
"Varicorbula sp." = Corbula (Varicorbula) Grant and Gale 1931 clam
Caryocorbula sp. Gardner 1926 clam | |
Lirophora (Panchione) sp., "Agriopoma (Pitarella) sp." = Agriopoma
Lirophora (Panchione) sp. Olsson 1964 venus clam
"Agriopoma (Pitarella) sp." = Agriopoma Dall 1902 venus | |
Anadara (Sectiarca) sp. Olsson 1961 ark
Anadara (Tosarca) sp. Noda 1965 ark | |
Atrina sp. Gray 1842 oyster | |
Hyotissa sp. Stenzel 1971 oyster | |
Amusium sp. Röding 1798 scallop
Amusium mimyum Woodring 1982 scallop | |
Scaphopoda | |
Polyschides sp. Pilsbry 1898 tusk shell |