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

Collection methods: Repository: Departamento Científico de Paleontología Invertebrados del Museo de Ciencias Naturales de La Plata (MLP).

Primary reference: M. A. Pagani. 2000. Bivalvos del Permico inferior de la Formacion Bonete, Sierras Australes (provincia de Buenos Aires, Argentina). Ameghiniana 37:301-320 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 132810: authorized by Matthew Clapham, entered by Matthew Clapham on 28.08.2012

Creative Commons license: CC BY (attribution)