Sample 1i/14-32(1418), Surovyi Creek (Permian of Russian Federation)

Where: Russian Federation (66.7° N, 127.6° E: paleocoordinates 62.2° N, 38.7° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

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

• Bed 32B, 4.5 m above its base. Lower Permian, Kungurian, Tumarian Regional Stage, upper part of the Khaldzhin Formation.

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified siltstone

Size class: macrofossils

Preservation: mold/impression

Collection methods: Repository: Museum of the Shilo Northeast Interdisciplinary Scientific Research Institute, Far East Branch, Russian Academy of Sciences, (SVKNII)

Primary reference: A. S. Biakov and R. V. Kutygin. 2022. A new representative of the genus Aphanaia Koninck from the Lower Permian of the Orulgan Ridge (northeast Russia). Paleontological Journal 56:369-373 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 139195: authorized by Carrie Schweitzer, entered by Evaline Johnson on 09.02.2013, edited by Mark Uhen, Rosa Valdez and Matthew Clapham

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Pholadomyida - Edmondiidae
Edmondia sp. de Koninck 1841 clam
 Myalinida - Kolymiidae
Praekolymia cf. kaschirtzevi Kuznetsov and Biakov 2014 clam
 Myalinida - Atomodesmatidae
Aphanaia sobopolensis Biakov 2022 clam
Costatoaphanaia cf. formosa Astaf'yeva 1988 clam