Where: Russian Federation (67.8° N, 46.4° E: paleocoordinates 35.9° N, 32.2° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Kazan Formation, Roadian (272.5 - 268.0 Ma)

• group of beds-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 113997: authorized by Matthew Clapham, entered by Matthew Clapham on 08.08.2011

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