Kuznetsk Alatau, Kiya River section - Unit X, Subunits 1-6 (Cambrian of Russian Federation)

Also known as Reef 2012

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 X Member (Usa Formation), Atdabanian (521.0 - 516.0 Ma)

• Regional stage: Kiya; Gordonicyathus howelli zone

• group of beds-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; lithified limestone

• Subunits 1-6 represent bioherms, biohermal massifs.

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 56754: authorized by Wolfgang Kiessling, entered by Sabine Nürnberg on 24.11.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Radiocyatha
 Acanthinocyathida - Acanthinocyathidae
"Osadchiites" denaevadae
Archaeocyatha
 Archaeocyathida - Loculicyathidae
Cambrocyathellus aksarinae, Loculicyathus membranivestites, Paranacyathus sp.
Cambrocyathellus aksarinae archaeocyath sponge
Loculicyathus membranivestites archaeocyath sponge
Paranacyathus sp. archaeocyath sponge
 Archaeocyathida - Dictyocyathidae
Dictyocyathus yavorskii, Dictyocyathus sp.
Dictyocyathus yavorskii archaeocyath sponge
Dictyocyathus sp. archaeocyath sponge
 Archaeocyathida - Archaeopharetridae
Dictyosycon radiatus, Archaeopharetra victori
Dictyosycon radiatus archaeocyath sponge
Archaeopharetra victori archaeocyath sponge
 Capsulocyathida - Alataucyathidae
Alataucyathus jaroshevitchi, Alataucyathus sp.
Alataucyathus jaroshevitchi archaeocyath sponge
Alataucyathus sp. archaeocyath sponge
 Capsulocyathida - Fransuasaecyathidae
Fransuasaecyathus novus, Fransuasaecyathus sp.
Fransuasaecyathus novus archaeocyath sponge
Fransuasaecyathus sp. archaeocyath sponge
 Capsulocyathida - Cryptoporocyathidae
Capsulocyathus subcallosus
Capsulocyathus subcallosus archaeocyath sponge
 Monocyathida - Monocyathidae
Archaeolynthus sp., Archaeolynthus sibiricus, Archaeolynthus nalivkini, Archaeolynthus absolutus, ? Archaeolynthus cipis
Archaeolynthus sp. Taylor 1910 archaeocyath sponge
Archaeolynthus sibiricus archaeocyath sponge
Archaeolynthus nalivkini archaeocyath sponge
Archaeolynthus absolutus archaeocyath sponge
? Archaeolynthus cipis archaeocyath sponge
 Monocyathida - Tumuliolynthidae
Tumuliolynthus sp., Tumuliolynthus musatovi, Tumuliolynthus tubexternus, Tumuliolynthus kuznetsovae
Tumuliolynthus sp. Zhuravleva 1963 archaeocyath sponge
Tumuliolynthus musatovi archaeocyath sponge
Tumuliolynthus tubexternus archaeocyath sponge
Tumuliolynthus kuznetsovae archaeocyath sponge
 Ajacicyathida - Ethmocyathidae
Carpicyathus microspinosus
Carpicyathus microspinosus archaeocyath sponge
 Ajacicyathida - Sajanocyathidae
Irinaecyathus optimus, Formosocyathus vorontsovi
Irinaecyathus optimus archaeocyath sponge
Formosocyathus vorontsovi archaeocyath sponge
 Ajacicyathida - Ajacicyathidae
Nochoroicyathus sp., Nochoroicyathus mariinskii, Nochoroicyathus khemtschikensis, Nochoroicyathus arteintervallum, Nochoroicyathus fragilis, Rotundocyathus reticulatus
Nochoroicyathus sp. Zhuravleva 1951 archaeocyath sponge
Nochoroicyathus mariinskii archaeocyath sponge
Nochoroicyathus khemtschikensis archaeocyath sponge
Nochoroicyathus arteintervallum archaeocyath sponge
Nochoroicyathus fragilis Osadchaya et al. 1979 archaeocyath sponge
Rotundocyathus reticulatus archaeocyath sponge
 Ajacicyathida - Bronchocyathidae
Gordonicyathus subhowelli, Gordonicyathus howelli, Thalamocyathus continuus, Taylorcyathus lucidus
Gordonicyathus subhowelli archaeocyath sponge
Gordonicyathus howelli Vologdin 1932 archaeocyath sponge
Thalamocyathus continuus archaeocyath sponge
Taylorcyathus lucidus archaeocyath sponge
 Ajacicyathida - Annulocyathidae
Annulocyathella lavrenovae
Annulocyathella lavrenovae archaeocyath sponge
 Ajacicyathida - Tumulocyathidae
Tumulocyathus sp.
Tumulocyathus sp. archaeocyath sponge
 Ajacicyathida - Asterocyathidae
Erismacoscinus sp., Erismacoscinus nataliae, Erismacoscinus tomocyathoides, Erismacoscinus fimbrillatus
Erismacoscinus sp. Debrenne 1958 archaeocyath sponge
Erismacoscinus nataliae archaeocyath sponge
Erismacoscinus tomocyathoides archaeocyath sponge
Erismacoscinus fimbrillatus archaeocyath sponge
 Ajacicyathida - Kaltatocyathidae
Kaltatocyathus sp.
Kaltatocyathus sp. Zhuravleva et al. 1964 archaeocyath sponge
 Ajacicyathida - Dokidocyathidae
Dokidocyathus sp., Dokidocyathus bogradiensis
Dokidocyathus sp. Taylor 1910 archaeocyath sponge
sp. 1
Dokidocyathus bogradiensis Osadchaya et al. 1979 archaeocyath sponge
Cribricyatha
 Cribricyathida - Pyxidocyathidae
"Szecyathus" sp.
"Szecyathus" sp. Vologdin 1957 cribricyath sponge