Where: La Pampa, Argentina (37.7° S, 67.5° W: paleocoordinates 40.2° S, 55.9° W)
• outcrop-level geographic resolution
When: PN1 nannofossil zone, Roca Formation, Danian (66.0 - 61.6 Ma)
• material from "two pelitic horizons located 2.5 and 13.5 meters below the base of the oyster bioherms". PJW: PN1 probably should be NP1
• group of beds-level stratigraphic resolution
Environment/lithology: deep subtidal ramp; poorly lithified, yellow marl
Size class: macrofossils
Primary reference: R. M. Feldmann, S. Casadío, L. Chirino-Galvez and M. Aguirre-Urreta. 1995. Fossil decapod crustaceans from the Jaguel and Roca Formations (Maastrichtian-Danian) of the Neuquen Basin, Argentina. Journal of Paleontology 69(5 II):1-22 [J. Alroy/J. Alroy/F. Aspromonte]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 5160: authorized by John Alroy, entered by John Alroy on 01.09.1999, edited by Philip Mannion, Matthew Clapham, Evangelos Vlachos and Franco Aspromonte
Creative Commons license: CC BY (attribution)
Taxonomic list
Echinoidea | |
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unclassified | |
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Echinoidea | |
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"Hemiaster hawkinsi" = Hemiaster stella4
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Paraster joannisboehmi4 Parma and Casadío 2005 heart urchin CPBA14387, PMOZ3316, PMOZ3344, PMOZ3354, GHUNLPam22052–22065, GHUNLPam22076– 22145, GHUNLPam22149–22150
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Reptilia | |
"Pampaemys meriodionalis n. gen. n. sp." = Euclastes meridionalis3
"Pampaemys meriodionalis n. gen. n. sp." = Euclastes meridionalis3 de la Fuente and Casadio 2000 turtle GHUNLPam 19137 - holotype (posteromedial skull fragment)
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Cephalopoda | |
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Gastropoda | |
Turritella aff. malaspina turret shell
? Turritella cf. soaresana turret shell | |
Bivalvia | |
Neilo cf. ornata Sowerby 1846 clam | |
"Nucula (Leionucula) dynastes" = Leionucula
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Chlamys aff. salamanca scallop | |
Pinna aff. anderssoni oyster | |
Odontogryphaea burckhardti oyster | |
Gryphaeostrea callophyla1, Pycnodonte (Phygraea) sarmientoi n. sp.1, Pycnodonte (Phygraea) burckhardti1
Pycnodonte (Phygraea) burckhardti1 Bohm 1903 oyster GHUNLPam 1223 al1241, 4830, 4877 al 4878 y 4891 al 4893.
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Aphrodina burckhardti venus clam | |
Venericardia ameghinorum Ihering 1907 clam | |
Malacostraca | |
Lobonotus lobulata Feldmann et al. 1995 crab | |
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"Callianassa burckhardti" = Eucalliax burckhardti
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Coccolithophyceae | |
Foraminifera | |
"Foraminiferida indet." = Foraminifera
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Psilonichnus | |
Thalassinoides sp. Ehrenberg 1944 |