Where: Russian Federation (62.5° N, 139.0° E: paleocoordinates 64.4° N, 28.4° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Ol'chan Formation, Sakmarian (293.5 - 290.1 Ma)

• Middle Ol'chan subformation

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified siltstone

Size class: macrofossils

Primary reference: B.C. Abramov and A.D. Grigorieva. 1988. Biostratigraphiya i Brakhiopody Permi Verkhoyaniya 1-204 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 100690: authorized by Matthew Clapham, entered by Matthew Clapham on 11.12.2010

Creative Commons license: CC BY (attribution)