P-1903, Pilnikov stream (Permian of Russian Federation)

Where: Russian Federation (43.1° N, 133.3° E: paleocoordinates 30.3° N, 111.2° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Pilnikov Formation, Kungurian (279.3 - 272.3 Ma)

• Age based on goniatite Epijuresanites pilnikovensis

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified, concretionary, black siltstone

Size class: macrofossils

Preservation: mold/impression

Collected in 2000

• Repository: Far East Geological Institute (DVGI), Russian Academy of Sciences

Primary reference: Y. D. Zakharov, A. V. Oleinikov, G. V. Kotlyar, V. I. Burago, V. S. Rudenko and E. A. Dorukhovskaya. 1999. First find of Early Permian goniatite in Southern Primorie. Geology of Pacific Ocean 14:805-816 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 225521: authorized by Matthew Clapham, entered by Matthew Clapham on 14.05.2022

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Cardiida - Kalenteridae
? Permophorus sp. Chavan 1954 clam
 Cardiidia - Sanguinolitidae
Praeundulomya petschorica Muromtseva and Guskov 1981 clam
 Trigoniida - Trigoniidae
"Schizodus aff. tobai" = Lyroschizodus tobai
"Schizodus aff. tobai" = Lyroschizodus tobai Hayasaka 1925 clam
 Myalinida - Atomodesmatidae
? Atomodesma sp. Beyrich 1865 clam
 Pectinida - Aviculopectinidae
Aviculopecten sp. M'Coy 1851 scallop
 Pectinida - Streblochondriidae
Streblopteria pusilla von Schlotheim 1816 scallop
 Nuculanida - Polidevciidae
"Nuculana cf. sinuata" = Phestia sinuata
"Nuculana cf. sinuata" = Phestia sinuata Dembskaja 1972 clam
Rhynchonellata
 Rhynchonellida - Rhynchoporidae
Rhynchopora nikitini Tschernyschew 1889
Rhynchopora variabilis Stuckenberg 1898
 Rhynchonellida - Petasmariidae
Rhynoleichus subglobosus Abramov and Grigorieva 1988
 Athyridida - Athyrididae
 Spiriferida - Ingelarellidae
Ingelarella atlanicha Kotlyar 1978
 Spiriferinida - Syringothyrididae
Primorewia sp. Licharew and Kotlyar 1978