Where: Argentina (38.1° S, 61.7° W: paleocoordinates 52.8° S, 54.4° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Bonete Formation (Pillahuinco Group), Sakmarian (293.5 - 290.1 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified, gray shale

Size class: macrofossils

Preservation: mold/impression

Collected by A.C. Rocha-Campos, R.G. de Carvalho, C.R. Gonzalez in 1970

• Repository: Departamento de Paleontologia e Estratigrafia, Instituto de Geociencias, Universidade de Sao Paulo (GP/IT)

Primary reference: A. C. Rocha-Campos and R. G. de Carvalho. 1975. Two new bivalves from the Permian "Eurydesma Fauna" of eastern Argentina. Boletim IG Instituto de Geosciências, USP 6:185-191 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 136204: authorized by Matthew Clapham, entered by Matthew Clapham on 22.11.2012

Creative Commons license: CC BY (attribution)