Where: Russian Federation (62.5° N, 147.5° E: paleocoordinates 73.6° N, 33.1° E)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Omolon Formation, Wordian (266.9 - 264.3 Ma)

• Upper Omolon Formation

• member-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Primary reference: A. S. Biakov. 1992. New species of Permian inoceramid bivalves from northeast Russia. Paleontological Journal 26(1):32-46 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 82120: authorized by Matthew Clapham, entered by Matthew Clapham on 23.07.2008

Creative Commons license: CC BY (attribution)