Where: Russian Federation (65.8° N, 131.9° E: paleocoordinates 65.4° N, 39.1° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Delendzha Formation, Roadian (272.3 - 268.8 Ma)

• Upper part of Dulgalakh Formation in Muromtseva & Guskov (1984) but middle part of the Delendzhinskaya Formation according to Biakov (2018)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified siliciclastic sediments

Size class: macrofossils

Preservation: cast, mold/impression

Collection methods: Repository: Stuckenberg Geological Museum of Kazan (Volga) Federal University, Kazan

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 114071: authorized by Matthew Clapham, entered by Matthew Clapham on 09.08.2011

Creative Commons license: CC BY (attribution)