Where: Russian Federation (60.7° N, 147.2° E: paleocoordinates 77.4° N, 34.2° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Khivach Formation, Wuchiapingian (259.9 - 254.2 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified siliciclastic sediments

Size class: macrofossils

Preservation: mold/impression

Primary reference: A. S. Biakov. 1999. Two new zonal species of inoceram-like bivalves from the Upper Permian of northeastern Asia. Paleontological Journal 33:229-231 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 102152: authorized by Matthew Clapham, entered by Matthew Clapham on 10.01.2011

Creative Commons license: CC BY (attribution)