Ulakhan-Kyyry-Taas section. Bed 27-29. 1.5 m above base. (Cambrian of Russian Federation)

Where: Russian Federation (61.1° N, 126.6° E: paleocoordinates 9.3° S, 13.0° W)

• coordinate stated in text

When: Bergeroniellus micmacciformis - Erbiella trilobite zone, III Member (Perekhod Formation), Botomian (516.0 - 512.9 Ma)

• bed-level stratigraphic resolution

Environment/lithology: silty limestone

• Greenish-gray, reddish-brown in interbeds, frequently conchoidal-fractured, nonuniformly platy, clayey limestones. Rare interbeds of limestones with insignificant clay content

Size class: macrofossils

Primary reference: A. I. Varlamov, A. Y. Rozanov, V. V. Khomentovsky, YuYa Shabanov, G.P. Abaimova, YuE Demidenko, G. A. Karlova, I. V. Korovnikov, V. A. Luchinina, E. Ya Malakhovskaya, P. Yu Parkhaev, T. V. Pegel, N. A. Skorlotova, V. M. Sundukov, S. S. Sukhov, A. B. Fedorov, and L. D. Kipriyanova. 2008. The Cambrian System of the Siberian Platform. Part 1: The Aldan-Lena region 1-274 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 225017: authorized by Pete Wagner, entered by Pete Wagner on 19.04.2022

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Trilobita
 Corynexochida - Dorypygidae
Bonnia venefica, Kootenia sp.
Bonnia venefica trilobite
Kootenia sp. Walcott 1899 trilobite
 Redlichiida -
Judomia sp.
Judomia sp. Lermontova 1943 trilobite
Artiopoda
 Agnostida - Calodiscidae
Neocobboldia dentata
Neocobboldia dentata Lermontova 1940