Quebrada Rincón Blanco, Río del Peñón, horizon 5' (Carboniferous of Argentina)

Where: La Rioja, Argentina (28.6° S, 68.7° W: paleocoordinates 48.3° S, 63.8° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Lower Member (Río del Peñón Formation), Bashkirian (323.2 - 315.2 Ma)

• Upper part of lower member; mid-Bashkirian according to U-Pb radiometric dates in Gulbranson et al. (2010).

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified siltstone

• Low-sedimentation marginal marine prodeltaic environment allowed for formation of shell pavement.

Size class: macrofossils

Preservation: mold/impression

Collection methods: Repository: Fundación Miguel Lillo, Instituto de Paleontología, Sección Paleoinvertebrados (IPI).

Primary reference: G. A. Cisterna and T. Simanauskas. 2000. Brachiopods from the Rio del Penon Formation, Rio Blanco Basin, Upper Palaeozoic of Argentina. Revista Española de Paleontologia 15(2):129-151 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 136523: authorized by Matthew Clapham, entered by Matthew Clapham on 29.11.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Strophomenata indet. Williams et al 1996
 Productida -
? Dyschrestia sp. Grant 1976
 Productida - Monticuliferidae
Costatumulus "sp. A" Waterhouse 1983
 Productida -
Chonetidina indet. Muir-Wood 1955
 Orthotetida - Schuchertellidae
 Spiriferinida - Spiriferellinidae
 Spiriferida - Trigonotretidae
Trigonotreta sp. Koenig 1825
 Lingulida - Disciniidae
Orbiculoidea sp. d'Orbigny 1847