Where: La Rioja, Argentina (28.6° S, 68.7° W: paleocoordinates 46.0° S, 60.8° W)
• coordinate estimated from map
• small collection-level geographic resolution
When: Río del Peñón Formation, Moscovian (315.2 - 307.0 Ma)
• 2-5 cm thick shell bed/shell pavement.
• bed-level stratigraphic resolution
Environment/lithology: prodelta; lithified siltstone
Size class: macrofossils
Preservation: cast, mold/impression
Collection methods: Repository: Catedra de Estragrafia y Geologia Historica, Facultad de Ciencias Exactas, Fisicas y Naturales, Universidad Nacinal de Cordoba (CEGH-UNC). Some material provided by Cisterna, located at Fundación Miguel Lillo, Instituto de Paleontología, Sección Paleoinvertebrados.
Primary reference: A. F. Sterren. 2000. Moluscos bivalvos en la Formacion Rio del Penon (Carbonifero Tardio-Permico Temprano), provincia de La Rioja, Argentina. Ameghiniana 37(4):421-438 [D. Bottjer/M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 39939: authorized by David Bottjer, entered by Matthew Clapham on 12.06.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
Crinoidea | |
Crinoidea indet. Miller 1821 Sea lily | |
Strophomenata | |
Costatumulus sp. Waterhouse 1983 | |
Rhynchonellata | |
Septosyringothyris jaguelensis Lech 1986 | |
Lingulata | |
Orbiculoidea sp. d'Orbigny 1847 | |
Gastropoda | |
Barrealispira aff. tupensis Sabattini et al. 1991 snail | |
"Knightites (Cymatospira) cf. montfortianus" = Cymatospira montfortianus
"Knightites (Cymatospira) cf. montfortianus" = Cymatospira montfortianus Norwood and Pratten 1855 snail | |
Bivalvia | |
Phestia sp. Chernyshev 1951 clam | |
Nuculavus levatiformis Walcott 1884 nut clam | |
Schizodus sp. King 1844 clam | |
Wilkingia riojana clam | |
Edmondia sp. de Koninck 1841 clam | |
Parallelodontinae indet. Dall 1898 clam | |
Leptodesma (Leptodesma) cf. potens Hall 1883 oyster | |
Acanthopecten jaguelensis Gonzalez 1997 scallop | |
Streblopteria sp. McCoy 1851 scallop | |
Aviculopecten "n. sp." M'Coy 1851 scallop | |
| |
Deuteropoda | |
Ostracoda indet. Latreille 1802 ostracod |