Where: Russian Federation (71.8° N, 127.2° E: paleocoordinates 65.1° N, 18.3° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Parasibirites grambergi ammonoid zone, Pastakh Formation, Olenekian (251.2 - 247.2 Ma)

• bed-level stratigraphic resolution

Environment/lithology: coastal; lithified, gray mudstone and lithified, lenticular, argillaceous siltstone

Size class: macrofossils

Primary reference: A. G. Konstantinov, E. S. Sobolev, and A. V. Yadrenkin. 2007. Detailed biostratigraphy of Triassic deposits in the Lena lower reaches(northern Yakutia). Russian Geology and Geophysics 48:721-736 [M. Aberhan/D. Wellmanns]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 124543: authorized by Martin Aberhan, entered by Daniel Wellmanns on 18.02.2012

Creative Commons license: CC BY (attribution)