Where: Russian Federation (64.0° N, 157.8° E: paleocoordinates 73.3° N, 2.8° E)

• coordinate estimated from map

• outcrop-level geographic resolution

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

• Roadian Stage, Omolonian Superhorizon, Russian-Omolonian Horizon, Aphanaia dilatatа Bivalve Zone, lower parts of the Omolon Formation

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified siliciclastic sediments

Size class: macrofossils

Preservation: mold/impression

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

Primary reference: A. S. Biakov. 2023. New bivalves of the genus Streblopteria (Pectinida, Streblochondriidae) from the Permian of northeast Russia. Paleontological Journal 57:137-145 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 230138: authorized by Matthew Clapham, entered by Matthew Clapham on 12.05.2023

Creative Commons license: CC BY (attribution)