Where: Santa Curz, Argentina (49.3° S, 67.7° W: paleocoordinates 50.8° S, 59.2° W)
• coordinate stated in text
• local area-level geographic resolution
When: Meseta Chica Member (San Julian Formation), Oligocene (33.9 - 23.0 Ma)
• formation-level stratigraphic resolution
Environment/lithology: marine; sandstone
Size class: macrofossils
Primary reference: C. J. del Rio. 2004. Tertiary Marine Molluscan Assemblages of Eastern Patagonia (Argentina): A Biostratigraphic Analysis. Journal of Paleontology 78(6):1097-1122 [L. Ivany/P. Wall/P. Wall]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 48067: authorized by Linda Ivany, entered by Patrick Wall on 11.03.2005
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Bivalvia | |
Crassatella kokeni clam
Spissatella longior clam | |
Pleuromeris sulcolunularis, Pleuromeris camaronesia, Pleuromeris cannada, "Fasciculicardia inaequalis" = Glyptoactis (Fasciculicardia)
Pleuromeris cannada clam
"Fasciculicardia inaequalis" = Glyptoactis (Fasciculicardia) clam | |
"Lucina" ortmanni Ihering 1899 clam | |
"Cardium" pisum Philippi 1887 cockle | |
Pitar julianum, Austrocallista iheringii, Dosinia meridionalis, Dosinia laeviuscula, Dosinia burmeisteri, "Chione" patagonica
Pitar julianum venus clam
Austrocallista iheringii venus clam
Dosinia meridionalis venus clam
Dosinia laeviuscula venus clam
Dosinia burmeisteri venus clam
"Chione" patagonica Philippi 1887 venus clam | |
Pholadidea patagonica Philippi 1887 clam | |
Corbula juliana clam | |
Panopea sierrana clam | |
Modiolus ameghinoi, "Aulacomya cf. ater" = Aulacomya atra
Modiolus ameghinoi Ihering 1907 mussel
"Aulacomya cf. ater" = Aulacomya atra Molina 1782 mussel | |
Limopsis insolita Sowerby 1846 clam | |
"Arca (Barbatia) juliania" = Barbatia, Arca puntaensis
"Arca (Barbatia) juliania" = Barbatia clam
Arca puntaensis ark | |
Cucullaea (Monteleonia) marshalli Zinsmeister 1981 clam | |
Cucullaria darwini Philippi 1887 clam | |
Parinomya juliense scallop
Parinomya patagonensis scallop | |
"Zygochlamys" geminata Sowerby 1846 scallop | |
Gastropoda | |
"Calyptraea" juliana slipper shell
"Calyptraea" pileus Lamarck 1822 slipper shell | |
Cirsotrema rugulosa wentletrap | |
"Turritella" patagonica turret shell | |
Struthiolarella ornata snail | |
"Trophon" santacruzensis murex snail | |
""Proscaphella" gracilor" = Miomelon
""Proscaphella" gracilor" = Miomelon volute | |
Hipponix costata hoof shell | |
"Polinices" secunda moon snail
"Polinices" subtenuis Ihering 1907 moon snail | |
Solariella osborni snail |