Where: Siberia, Russian Federation (70.7° N, 103.0° E: paleocoordinates 24.4° S, 6.7° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Dokidocyathus regularis other zone, 4 Member (Medvezhin Formation), Tommotian (525.5 - 521.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: lithified limestone

Size classes: macrofossils, mesofossils, microfossils

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 50430: authorized by Pete Wagner, entered by Pete Wagner on 15.05.2005

Creative Commons license: CC BY (attribution)