Efremova River, Outcrop 505, Bed A, Taimyr Peninsula (Permian to of Russian Federation)

Where: Russian Federation (73.1° N, 81.6° E: paleocoordinates 43.9° N, 32.6° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Zvenkskaya Formation, Sakmarian to Sakmarian (295.5 - 272.3 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified siliciclastic sediments

Size class: macrofossils

Collected by A.P. Ivanov in 1959

Primary reference: V. I. Ustritsky and G. E. Chernyak. 1963. Biostratigrafiya i Brakhiopody Verknego Paleozoya Taimyra [Biostratigraphy and Brachiopods of the upper Paleozoic of Taimyr]. 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 119298: authorized by Matthew Clapham, entered by Matthew Clapham on 23.10.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Strophomenata
 Productida - Echinoconchidae