Biryusa River (Cambrian of Russian Federation)

Where: Irkutsk, Russian Federation (55.6° N, 97.8° E: paleocoordinates 14.8° S, 2.0° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Ust' Tagul Formation, Nemakit-Daldynian (538.8 - 525.5 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified siltstone and lithified dolomite

• thin alternating siltstones, mudstones, sandstones, dolomitic marls, clayey and sandy dolomite

Size class: macrofossils

Primary reference: B. B. Kochnev and G. A. Karlova. 2010. New data on biostratigraphy of the Vendian Nemakit-Daldynian stage in the southern Siberian Platform. Stratigraphy and Geological Correlation 18(5):492-504 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 99188: authorized by Wolfgang Kiessling, entered by Uta Merkel on 02.11.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Hexactinellida
 Reticulosa - Protospongiidae
Protospongia sp.
Protospongia sp. Salter 1864 glass sponge