Where: Sakha, Russian Federation (66.5° N, 129.3° E: paleocoordinates 67.6° N, 37.2° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

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

• Formerly included in Dulgalakh Horizon

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified siliciclastic sediments

Size class: macrofossils

Primary reference: V. A. Muromtseva and V. A. Guskov. 1984. Permskie Morskie Otlozheniya I Dvustvorchatie Mollyuski Sovetskoi Arktiki 1-154 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 83163: authorized by Matthew Clapham, entered by Matthew Clapham on 09.08.2008

Creative Commons license: CC BY (attribution)