Where: Argentina (50.3° S, 68.9° W: paleocoordinates 51.1° S, 62.2° W)
• coordinate stated in text
• outcrop-level geographic resolution
When: Monte Leon Formation, Early/Lower Miocene (23.0 - 16.0 Ma)
• bed-level stratigraphic resolution
Environment/lithology: offshore; poorly lithified, volcaniclastic, silty sandstone
Size class: macrofossils
Collection methods: surface (in situ), mechanical,
• Repository: GHUNLPam, Facultad de Ciencias Exactas y Naturales, Universidad Nacional de La Pampa, Santa Rosa, La Pampa, Argentina.
Primary reference: R. S. Crawford, S. Casadio, R. M. Feldmann, M. Griffin, A. Parras and C. E. Schweitzer. 2008. Mass mortality of fossil decapods within the Monte Leon Formation (early Miocene), southern Argentina: victims of Andean Volcanism?. Annals of Carnegie Museum 77(2):259-287 [C. Schweitzer/C. Schweitzer/M. Uhen]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 185968: authorized by Matthew Clapham, entered by Matthew Clapham on 31.05.2017
Creative Commons license: CC BY (attribution)
Taxonomic list
Malacostraca | |
Chaceon peruvianus d'Orbigny 1842 crab | |
Gastropoda | |
Calyptraea sp. Lamarck 1799 slipper shell | |
Cerithiopsis juliana snail | |
Natica sp. Scopoli 1777 moon snail | |
"Proscaphella gracilior" = Miomelon gracilis
"Proscaphella gracilior" = Miomelon gracilis Philippi 1887 volute | |
Zeadmete ameghinoi snail | |
Neoimbricaria patagonica Ihering 1897 snail | |
Austrotoma cuevensis snail | |
Terebra santacruzensis auger snail | |
Turritella patagonica turret shell | |
Calliostoma peraratum top snail | |
Scaphopoda | |
Dentalium sp. Linnaeus 1758 tusk shell | |
Bivalvia | |
Pleuromeris sp. Conrad 1867 clam | |
Panopea quemadensis clam | |
Mactra patagonica d'Orbigny 1846 clam | |
Dosinia laeviuscula venus clam
Retrotapes striatolamellata venus clam | |
Tellinidae indet. Blainville 1814 tellin clam | |
Cardium sp. Linnaeus 1758 cockle | |
Zygochlamys sp. Ihering 1907 scallop | |
? Crassostrea hatcheri Ihering 1899 oyster | |
Cucullaea alta Sowerby 1846 clam | |
Bryozoa | |
Bryozoa indet. Ehrenberg 1831 | |
Echinoidea | |
Echinoidea indet. Leske 1778 sea urchin |