Where: Russian Federation (64.0° N, 147.2° E: paleocoordinates 15.1° N, 9.9° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Normalograptus persculptus graptolite zone, Tirekhtyakh Formation, Hirnantian (445.2 - 443.4 Ma)

• "Submember" Q70.

• bed-level stratigraphic resolution

Environment/lithology: siltstone

Size classes: macrofossils, mesofossils

Primary reference: T. N. Koren and R. F. Sobolevskaya. 2008. The regional stratotype section and point for the base of the Hirnantian Stage (the uppermost Ordovician) at Mirny Creek, Omulev Mountains, Northeast Russia. Estonian Journal of Earth Sciences 57(1):1-10 [P. Wagner/P. Wagner]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 152989: authorized by Pete Wagner, entered by Pete Wagner on 04.12.2013

Creative Commons license: CC BY (attribution)