Where: Siberia, Russian Federation (57.7° N, 131.8° E: paleocoordinates 15.1° S, 17.3° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Purella antiqua small shelly zone, Ust-Yudoma Formation, Nemakit-Daldynian (538.8 - 525.5 Ma)

• Purella antiqua zone; given as Vendian, but Gubanov & Peel (2003: Palaeontology) redate it as upper Nemakit-Daldynian. AGE: Nemakit-Daldynian; refined by A. Hendy (6/2009) on the basis of biostratigraphic data (= Purella antiqua zone).

• group of beds-level stratigraphic resolution

Environment/lithology: lithified dolomite

Size class: macrofossils

Primary reference: V. V. Khomentovsky and G. A. Karlova. 1993. Biostratigraphy of the Vendian-Cambrian beds and the lower Cambrian boundary in Siberia. Geological Magazine 130(1):29-45 [P. Wagner/P. Wagner/P. Wagner]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 50366: authorized by Pete Wagner, entered by Pete Wagner on 13.05.2005

Creative Commons license: CC BY (attribution)