Kuznetsk Alatau, Kiya River section - Unit IV, Subunit 1 (Cambrian of Russian Federation)

Where: Kemorovo, Russian Federation (56.0° N, 88.0° E: paleocoordinates 11.9° S, 6.6° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Unit IV Member (Ust'kundat Formation), Atdabanian (521.0 - 516.0 Ma)

• Regional stage: Natal'evka; Robertocyathus zone

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified, gray limestone and lithified, argillaceous shale

• non-biohermal
• Unit IV consists of gray and light-gray limestones and siliceous-argillaceous shales.

Size class: macrofossils

Primary reference: I. T. Zhuravleva, I. A. Konyaeva, D. V. Osadchaya and A. S. Boyarinov. 1997. Biostratigraphy of the Kiya River section. - Early Cambrian Archaeocyaths and spicular sponges from the Kiya River section (Kuznetsk Alatau). Annales de Paléontologie 83(1):3-92 [W. Kiessling/S. Nurnberg]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 56744: authorized by Wolfgang Kiessling, entered by Sabine Nürnberg on 24.11.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Archaeocyatha
 Capsulocyathida - Cryptoporocyathidae
Capsulocyathus sp. archaeocyath sponge
 Monocyathida - Monocyathidae
Archaeolynthus sp. Taylor 1910 archaeocyath sponge
Archaeolynthus sibiricus archaeocyath sponge
 Monocyathida - Tumuliolynthidae
Tumuliolynthus sp. Zhuravleva 1963 archaeocyath sponge
 Archaeocyathida - Dictyocyathidae
Dictyocyathus sp. archaeocyath sponge
 Ajacicyathida - Dokidocyathidae
Dokidocyathus sp. Taylor 1910 archaeocyath sponge
sp. 1
 Ajacicyathida - Ajacicyathidae
Nochoroicyathus sp. Zhuravleva 1951 archaeocyath sponge
? Nochoroicyathus facilis archaeocyath sponge
 Ajacicyathida - Tumulocyathidae
Tumulocyathus sp. archaeocyath sponge