Where: Sakha, Russian Federation (66.5° N, 129.3° E: paleocoordinates 66.0° N, 40.7° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Dulgalakh Formation, Capitanian (264.3 - 259.5 Ma)

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified siliciclastic sediments

Size class: macrofossils

Preservation: cast

Primary reference: K. A. Astafieva-Urbajtis. 1990. Vacunella Waterhouse and Cunavella gen. nov. (Bivalvia) from the upper Paleozoic of the USSR. Paleontological Journal 24(2):1-9 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 101725: authorized by Matthew Clapham, entered by Matthew Clapham on 31.12.2010

Creative Commons license: CC BY (attribution)