Kazyr River, Eastern Sayan, unit 3 (Cambrian of Russian Federation)

Also known as Reef 3779

Where: Krasnoyarskiy Kray, Russian Federation (53.8° N, 93.5° E: paleocoordinates 8.4° S, 5.0° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Balakhtison Formation, Atdabanian (520.0 - 516.0 Ma)

• sample 1805-1808, 400 m thick, Bazaikha stage

• group of beds-level stratigraphic resolution

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

• Epiphyton limestone

Size class: macrofossils

Collection methods: peel or thin section,

Primary reference: D. V. Osadchaya, L. N. Kashina, I. T. Zhuravleva and N. P. Borodina. 1979. Stratigrafiya i arkheotsiaty nizhnego kembriya Altaye-Sayanskoy skladchatoy oblasti [Lower Cambrian stratigraphy and archaeocyatha of the Altay-Sayan fold belt]. Trudy Instituta Geologii i Geofiziki, Sibirskoye Otdeleniye 380:1-215 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 81334: authorized by Wolfgang Kiessling, entered by Uta Merkel on 20.06.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

Epiphyton
  - Ludloviaceae
Epiphyton sp. Bornemann 1886
Renalcis
  - Chabakoviacea
Renalcis sp. Vologdin 1932
Archaeocyatha
 Monocyathida - Tumuliolynthidae
Tumuliolynthus tubexternus archaeocyath sponge
Tumuliolynthus musatovi archaeocyath sponge
 Monocyathida - Monocyathidae
Archaeolynthus sibiricus archaeocyath sponge
Archaeolynthus nalivkini archaeocyath sponge
Archaeolynthus absolutus archaeocyath sponge
 Capsulocyathida - Coscinocyathidae
Coscinocyathus sp. Bornemann 1884 archaeocyath sponge
 Capsulocyathida - Alataucyathidae
Alataucyathus jaroschevitschi Zhuravleva 1955 archaeocyath sponge
 Ajacicyathida - Dokidocyathidae
Dokidocyathus ex gr. bogradiensis Osadchaya et al. 1979 archaeocyath sponge
 Ajacicyathida - Ajacicyathidae
Rotundocyathus proscurjakovi, Orbicyathus mongolicus, Orbicyathus kazyrensis, "Nochoroicyathus mariinskii" = Nochoroicyathus, "Aldanocyathus amplus" = Nochoroicyathus, "Aldanocyathus speranskii" = Nochoroicyathus, "Aldanocyathus primitivus" = Nochoroicyathus, Nochoroicyathus fragilis
Rotundocyathus proscurjakovi archaeocyath sponge
Orbicyathus mongolicus archaeocyath sponge
Orbicyathus kazyrensis archaeocyath sponge
"Nochoroicyathus mariinskii" = Nochoroicyathus archaeocyath sponge
"Aldanocyathus amplus" = Nochoroicyathus archaeocyath sponge
"Aldanocyathus speranskii" = Nochoroicyathus archaeocyath sponge
"Aldanocyathus primitivus" = Nochoroicyathus archaeocyath sponge
Nochoroicyathus fragilis Osadchaya et al. 1979 archaeocyath sponge
 Ajacicyathida - Tumulocyathidae
Tumulocyathus cf. admirabilis archaeocyath sponge
Tumulocyathus pustulatus archaeocyath sponge
 Archaeocyathida - Dictyocyathidae
Dictyocyathus sp. archaeocyath sponge
 Archaeocyathida - Archaeopharetridae
Protopharetra sp. Bornemann 1884 archaeocyath sponge