Kazyr River, Eastern Sayan, unit 4 (Cambrian to of Russian Federation)

Where: Krasnoyarskiy Kray, Russian Federation (53.8° N, 93.5° E: paleocoordinates 8.1° S, 5.4° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Balakhtison Formation, Atdabanian to Atdabanian (521.0 - 512.9 Ma)

• sample 1810, 1800 m thick, Kameshki-Sanashtykgol stages

• group of beds-level stratigraphic resolution

Environment/lithology: perireef or subreef; lithified limestone

• "algal" 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 81335: authorized by Wolfgang Kiessling, entered by Uta Merkel on 20.06.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Archaeocyatha
 Archaeocyathida - Archaeopharetridae
Protopharetra sp. Bornemann 1884 archaeocyath sponge
 Archaeocyathida - Dictyocyathidae
Dictyocyathus sp. archaeocyath sponge
 Monocyathida - Tumuliolynthidae
Tumuliolynthus tubexternus archaeocyath sponge
 Monocyathida - Monocyathidae
Archaeolynthus sibiricus archaeocyath sponge
Archaeolynthus nalivkini archaeocyath sponge
 Ajacicyathida - Bronchocyathidae
Cyclocyathella sp. archaeocyath sponge
Thalamocyathus sp. archaeocyath sponge
 Ajacicyathida - Ajacicyathidae
"Nochoroicyathus mariinskii" = Nochoroicyathus, Nochoroicyathus fragilis, "Aldanocyathus primitivus" = Nochoroicyathus, "Aldanocyathus speranskii" = Nochoroicyathus
"Nochoroicyathus mariinskii" = Nochoroicyathus archaeocyath sponge
Nochoroicyathus fragilis Osadchaya et al. 1979 archaeocyath sponge
"Aldanocyathus primitivus" = Nochoroicyathus archaeocyath sponge
"Aldanocyathus speranskii" = Nochoroicyathus archaeocyath sponge
 Ajacicyathida - Densocyathidae
Leptosocyathus sp. archaeocyath sponge
 Capsulocyathida - Coscinocyathidae
Coscinocyathus sp. Bornemann 1884 archaeocyath sponge
 Capsulocyathida - Tomocyathidae
"Tomocyathus sp." = Coscinocyathella
"Tomocyathus sp." = Coscinocyathella archaeocyath sponge
Epiphyton
  - Ludloviaceae
Epiphyton sp. Bornemann 1886