Where: Russian Federation (63.1° N, 146.0° E: paleocoordinates 74.9° N, 31.6° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Imtachan Formation, Wuchiapingian (259.0 - 254.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified siliciclastic sediments

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 100648: authorized by Matthew Clapham, entered by Matthew Clapham on 11.12.2010

Creative Commons license: CC BY-NC-ND (attribution-noncommercial-no derivatives)