Where: Russian Federation (62.1° N, 152.6° E: paleocoordinates 78.0° N, 8.1° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Pautovaya Formation, Changhsingian (254.2 - 252.2 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: deep-water; lithified, black, gray, silty mudstone

Size class: macrofossils

Preservation: mold/impression

Primary reference: A. S. Biakov. 2001. Complete succession of the Permian in northeast Asia: paleontological evidence form the presence of Changhsingian analogues. Doklady Earth Sciences 378:399-401 [M. Clapham/M. Clapham]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 102154: authorized by Matthew Clapham, entered by Matthew Clapham on 10.01.2011

Creative Commons license: CC BY (attribution)