Also known as GA-9
Where: Panama (9.3° N, 79.8° W: paleocoordinates 9.1° N, 78.4° W)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: lower Gatun Member (Gatun Formation), Tortonian (11.6 - 7.2 Ma)
• STRATIGRAPHIC RELATIONS: The Gatun Fm rests unconformably on formations of different ages in different parts of the Panama Canal Basin. To the east of Colon, the Gatun Fm rests nonconformably on unamed Cretaceous volcanics. To the west of Colon, including several islands in Lake Gatun, the Gatun Fm rests with angular unconformity on the upper Oligocene Caimito Fm. AGE: Late Miocene, on the basis of microfossil biostratigraphy (see Collins and Coates, 1999). AGE: Tortonian based on more recent dating (Hendy, 2012). Sr dating for nearby sections indicates an age of approximately 11.5 Ma (Hendy, unpublished data).
• bed-level stratigraphic resolution
Environment/lithology: coastal; poorly lithified siliciclastic sediments
Size class: macrofossils
Reposited in the PRI
Collection methods: bulk, sieve,
• COLLECTORS: B. & L. Pitt. REPOSITORIES: PRI, Ithaca.
Primary reference: A. J. W. Hendy, D. P. Buick, K. V. Bulinski, C. A. Ferguson, and A. I. Miller. 2008. Unpublished census data from Atlantic coastal plain and circum-Caribbean Neogene assemblages and taxonomic opinions. [A. Hendy/A. Hendy/A. Hendy]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 82116: authorized by Austin Hendy, entered by Austin Hendy on 23.07.2008
Creative Commons license: CC BY (attribution)
Taxonomic list
Cirripedia | |
Cirripedia indet. barnacle | |
Malacostraca | |
Decapoda indet. Latreille 1802 decapod | |
Bivalvia | |
Hyotissa haitensis Sowerby 1850 oyster | |
Anomia simplex d'Orbigny 1845 jingle | |
Leptopecten eucomia scallop | |
Anadara (Rasia) dariensis Brown and Pilsbry 1911 ark
Anadara (Rasia) sechurana Olsson 1932 ark
Anadara (Rasia) fissicosta Spieker 1922 ark | |
Eucrassatella (Hybolophus) elassa Woodring 1982 clam | |
Trachycardium (Dallocardia) dominicense Gabb 1873 cockle | |
Psammotreta hadra Woodring 1982 tellin clam | |
Dosinia (Dosinia) delicatissima, Chionopsis tegulum, Clementia (Clementia) dariensis, Costacallista leiotera, Lamelliconcha cora
Dosinia (Dosinia) delicatissima Brown and Pilsbry 1913 venus clam
Chionopsis tegulum Brown and Pilsbry 1911 venus clam
Clementia (Clementia) dariensis venus clam
Costacallista leiotera Woodring 1982 venus clam
Lamelliconcha cora Brown and Pilsbry 1911 venus clam | |
Caryocorbula oropendula Olsson 1922 clam | |
Anodontia (Pegophysema) janus Dall 1903 clam | |
Gastropoda | |
"Architectonica (Architectonica) nobilis" = Architectonica nobilis
"Architectonica (Architectonica) nobilis" = Architectonica nobilis Röding 1798 sundial | |
Crucibulum (Dispotaea) springvaleense Rutsch 1942 slipper shell
Crucibulum (Crucibulum) sp. Schumacher 1817 slipper shell
Crepidula plana Say 1822 slipper shell | |
Eupleura thompsoni Woodring 1959 murex snail
Murex (Murex) sp. Linnaeus 1758 murex snail | |
"Cancellaria (Pyruclia) sp." = Pyruclia, "Cancellaria (Euclia) dinata" = Euclia, "Cancellaria (Euclia) sp." = Euclia, "Cancellaria (Euclia) codazzii" = Euclia codazzii, Bivetiella dariena3
"Cancellaria (Pyruclia) sp." = Pyruclia Olsson 1932 snail
"Cancellaria (Euclia) dinata" = Euclia snail
"Cancellaria (Euclia) sp." = Euclia Adams and Adams 1854 snail
"Cancellaria (Euclia) codazzii" = Euclia codazzii Anderson 1929 snail | |
"Oliva (Oliva) gatunensis" = Oliva gatunensis
"Oliva (Oliva) gatunensis" = Oliva gatunensis Toula 1908 olive snail | |
Clathrodrillia sp. Dall 1918 snail | |
Conus sp. Linnaeus 1758 cone shell
Conus aemulator Brown and Pilsbry 1911 cone shell | |
Strioterebrum spiriferum Dall 1895 auger snail
Panaterebra cucurupiensis auger snail
Oreoterebra sp. Olsson 1967 auger snail | |
Polystira sp. Woodring 1928 turrid | |
Strombina (Strombina) lessepsiana Brown and Pilsbry 1911 snail | |
Nicema amara Woodring 1964 true whelk
Antillophos candeanus d'Orbigny 1842 true whelk
Cymatophos veatchi Olsson 1922 true whelk | |
Subcancilla dariensis Brown and Pilsbry 1911 mitre shell | |
| |
Echinophoria sp. Sacco 1890 snail | |
| |
"Distorsio decussatus" = Distorsio decussata
"Distorsio decussatus" = Distorsio decussata Valenciennes 1832 snail | |
Serpulorbis granifera Say 1824 worm shell | |
Stigmaulax guppiana Toula 1909 moon snail
Polinices stanislasmeunieri Maury 1917 moon snail | |
Turritella maturacana turret shell
Turritella sp. Lamarck 1799 turret shell
Turritella gatunensis Conrad 1857 turret shell |