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 | |
| Gastropoda | |
|
Solariella osborni snail | |
|
"Turritella" patagonica turret shell | |
|
"Calyptraea" juliana slipper shell
"Calyptraea" pileus Lamarck 1822 slipper shell | |
|
Cirsotrema rugulosa wentletrap | |
|
Hipponix costata hoof shell | |
|
"Polinices" secunda moon snail
"Polinices" subtenuis Ihering 1907 moon snail | |
""Proscaphella" gracilor" = Miomelon
""Proscaphella" gracilor" = Miomelon volute | |
|
"Trophon" santacruzensis murex snail | |
|
Struthiolarella ornata snail | |
| Bivalvia | |
"Aulacomya cf. ater" = Aulacomya atra, Modiolus ameghinoi
"Aulacomya cf. ater" = Aulacomya atra Molina 1782 mussel
Modiolus ameghinoi Ihering 1907 mussel | |
|
"Zygochlamys" geminata Sowerby 1846 scallop | |
|
Parinomya juliense scallop
Parinomya patagonensis scallop | |
|
Cucullaria darwini Philippi 1887 clam | |
|
Cucullaea (Monteleonia) marshalli Zinsmeister 1981 clam | |
"Arca (Barbatia) juliania" = Barbatia, Arca puntaensis
"Arca (Barbatia) juliania" = Barbatia clam
Arca puntaensis ark | |
|
Limopsis insolita Sowerby 1846 clam | |
|
"Cardium" pisum Philippi 1887 cockle | |
"Chione" patagonica, Dosinia meridionalis, Dosinia laeviuscula, Dosinia burmeisteri, Pitar julianum, Austrocallista iheringii
"Chione" patagonica Philippi 1887 venus clam
Dosinia meridionalis venus clam
Dosinia laeviuscula venus clam
Dosinia burmeisteri venus clam
Pitar julianum venus clam
Austrocallista iheringii venus clam | |
|
Corbula juliana clam | |
|
Pholadidea patagonica Philippi 1887 clam | |
|
Panopea sierrana clam | |
|
"Lucina" ortmanni Ihering 1899 clam | |
|
Crassatella kokeni clam
Spissatella longior clam | |
"Fasciculicardia inaequalis" = Glyptoactis (Fasciculicardia), Pleuromeris sulcolunularis, Pleuromeris camaronesia, Pleuromeris cannada
"Fasciculicardia inaequalis" = Glyptoactis (Fasciculicardia) clam
Pleuromeris cannada clam | |