Imlyaki River, inflow Omolon River, Omolon Massif (Permian to of Russian Federation)

Where: Russian Federation (67.3° N, 167.0° E: paleocoordinates 62.7° N, 21.8° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Wuchiapingian to Wuchiapingian (259.9 - 252.2 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

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 114210: authorized by Matthew Clapham, entered by Matthew Clapham on 12.08.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Cardiida - Kalenteridae
Permophorus costatus Brown 1839 clam
 Pholadomyida - Megadesmidae
 Pectinida - Voluceropectinidae
Voluceropecten volucer Lutkevitch and Lobanova 1960 scallop
 Pectinida - Deltopectinidae
? Deltopecten sp. Etheridge 1892 scallop