Where: Russian Federation (74.9° N, 107.9° E: paleocoordinates 55.3° N, 30.4° E)

• coordinate estimated from map

• outcrop-level geographic resolution

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

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified siliciclastic sediments

Size class: macrofossils

Collected by V.A. Vinogradov in 1954

Primary reference: V. I. Ustritsky and G. E. Chernyak. 1963. Biostratigrafiya i Brakhiopody Verknego Paleozoya Taimyra]. Trudy Nauchno-Issledoratel'skogo Instituta Geologii Arktiki 134:1-139 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 119304: authorized by Matthew Clapham, entered by Matthew Clapham on 23.10.2011

Creative Commons license: CC BY (attribution)