Chaya River (Cambrian of Russian Federation)

Where: Irkutsk, Russian Federation (57.8° N, 110.0° E: paleocoordinates 15.4° S, 5.3° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Usatovo Formation, Nemakit-Daldynian (538.8 - 525.5 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified dolomite

• light gray clayey and stromatolitic dolomites with abundant sand- and gravel-sized quartz clasts

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 99190: 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
Scyphozoa
 Anabaritida - Anabaritidae
Anabarites sp.
Anabarites sp. Voronova and Missarzhevsky 1969 jellyfish
Hexactinellida
 Reticulosa - Protospongiidae
Protospongia sp.
Protospongia sp. Salter 1864 glass sponge