Sylva and Kishert' river, western Urals (Permian of Russian Federation)

Where: Russian Federation (57.4° N, 57.2° E: paleocoordinates 30.5° N, 45.0° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Kungurian (279.3 - 272.3 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 114216: authorized by Matthew Clapham, entered by Matthew Clapham on 12.08.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Pectinida - Streblochondriidae
Streblopteria pusilla von Schlotheim 1816 scallop
 Pectinida - Heteropectinidae
"Aviculopecten sexcostatus" = Cassianoides sexcostatus, "Vorkutopecten subclathratus" = Neptunopecten subclathratus
"Aviculopecten sexcostatus" = Cassianoides sexcostatus Stuckenberg 1898 scallop
"Vorkutopecten subclathratus" = Neptunopecten subclathratus Keyserling 1846 scallop
 Ostreida - Pterineidae
 Arcida - Parallelodontidae
Parallelodon uralicus n. sp. Muromtseva 1984 clam
Parallelodon striatus von Schlotheim 1816 clam
Parallelodon licharewi Maslennikov 1935 clam
 Pholadomyida - Edmondiidae
Edmondia nebrascensis Geinitz 1866 clam
 Cardiida - Kalenteridae
Permophorus costatus Brown 1839 clam
 Trigoniida - Schizodidae
Schizodus rossicus de Verneuil 1845 clam