Olenek River. Bed 4. samples 3/2; 4/1-12 (Cambrian of Russian Federation)

Where: Russian Federation (66.5° N, 116.0° E)

• Paleocoordinates: 0.4° S, 61.0° W (Wright 2013)

When: Bergeroniellus expansus trilobite zone, Kuonamka Formation, Botomian (516.0 - 512.1 Ma)

• bed-level stratigraphic resolution

Environment/lithology: marine; black shale and argillaceous limestone

• black bituminous shale, locally interbedded with argillaceous-carbonate rocks.

Size class: macrofossils

Primary reference: I. V. Korovnikov and Y. Y. Shabanov. 2016. Trilobites and biostratigraphy of the Kuonamka Formation, northern Siberian Platform (Olenek River). Russian Geology and Geophysics 57(4):562-573 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 225138: authorized by Pete Wagner, entered by Pete Wagner on 26.04.2022

Creative Commons license: CC0 (CC0)

Taxonomic list

Show authors, comments, and common names
Artiopoda
 Redlichiida - Ellipsocephalidae
Bergeroniellus expansus
 Agnostida - Calodiscidae
Calodiscus resimus, Neocobboldia dentata
Neocobboldia dentata Lermontova 1940 artiopod
 Agnostida - Hebediscidae
Delgadella ultima, Neopagetina rjonsnitzkii
Neopagetina rjonsnitzkii Lermontova 1940 artiopod