Where: Russian Federation (51.5° N, 115.3° E: paleocoordinates 58.2° N, 65.7° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Zhipkosh Formation, Sakmarian (295.0 - 290.1 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Preservation: cast

Primary reference: A. S. Biakov. 2002. Permian bivalves from the Transbaikal Region. Paleontological Journal 36(5):460-468 [M. Clapham/M. Clapham] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 102155: authorized by Matthew Clapham, entered by Matthew Clapham on 10.01.2011

Creative Commons license: CC BY-NC-ND (attribution-noncommercial-no derivatives)