Where: Russian Federation (73.3° N, 80.4° E: paleocoordinates 46.9° N, 33.6° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

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

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified siliciclastic sediments

Size class: macrofossils

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 88410: authorized by Matthew Clapham, entered by Matthew Clapham on 10.04.2009

Creative Commons license: CC BY (attribution)