Bayan Kol River, Sayan, N. mariinskii zone (Cambrian of Russian Federation)

Also known as Reef 3789

Where: Tuva, Russian Federation (51.6° N, 93.6° E: paleocoordinates 6.5° S, 6.0° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Nochoroicyathus mariinskii other zone, Lower Member (Bayan Kol Formation), Atdabanian (520.0 - 516.0 Ma)

• Nochoroicyathus mariinskii zone, Bazaikha stage

• group of beds-level stratigraphic resolution

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

• sandstone-gravelstone-conglomerate unit with restricted reefal limestones (kalyptra, kalyptrate bioherms, biohermal and biostromal beds)

Size class: macrofossils

Collection methods: peel or thin section,

Primary reference: D. V. Osadchaya and D. V. Kotelnikov. 1998. Archaeocyathids from the Atdabanian (Lower Cambrian) of the Altay-Sayan Foldbelt, Russia. Geodiversitas 20(1):5-18 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 81246: authorized by Wolfgang Kiessling, entered by Uta Merkel on 13.06.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

Hormogoneae
 Oscillatoriales - Girvanellaceae
Girvanella sp. Nicholson and Etheridge 1878
Subtifloria
  -
Subtifloria sp. Maslov 1956
Batinevia
  - Chabakoviacea
Batinevia sp. Korde 1966
unclassified
  -
Proaulopora
  -
Proaulopora sp. Vologdin 1962
Epiphyton
  - Ludloviaceae
Epiphyton sp. Bornemann 1886
Archaeocyatha
 Archaeocyathida - Dictyocyathidae
Dictyocyathus confertus archaeocyath sponge
 Archaeocyathida - Archaeopharetridae
Archaeopharetra marginata archaeocyath sponge
 Archaeocyathida - Loculicyathidae
"Cambrocyathellus sp." = Cambrocyathellus, "Cambrocyathellus tuberculatus" = Cambrocyathellus, "Cambrocyathellus kundatus" = Cambrocyathellus, "Robustocyathus flexus" = Cambrocyathellus, "Robustocyathus directus" = Cambrocyathellus, Loculicyathus voznesenskii n. sp.
"Cambrocyathellus sp." = Cambrocyathellus archaeocyath sponge
"Cambrocyathellus tuberculatus" = Cambrocyathellus archaeocyath sponge
"Cambrocyathellus kundatus" = Cambrocyathellus archaeocyath sponge
"Robustocyathus flexus" = Cambrocyathellus archaeocyath sponge
"Robustocyathus directus" = Cambrocyathellus archaeocyath sponge
Loculicyathus voznesenskii n. sp. Osadchaya and Kotelnikov 1998 archaeocyath sponge
 Archaeocyathida - Sakhacyathidae
Sakhacyathus karpinskii n. sp. Osadchaya and Kotelnikov 1998 archaeocyath sponge
 Archaeocyathida - Usloncyathidae
"Dictyofavus lepidus" = Usloncyathus
"Dictyofavus lepidus" = Usloncyathus archaeocyath sponge
 Monocyathida - Monocyathidae
Archaeolynthus sibiricus archaeocyath sponge
 Monocyathida - Tumuliolynthidae
Tumuliolynthus tubexternus archaeocyath sponge
 Ajacicyathida - Ajacicyathidae
Orbicyathus mongolicus, Sibirecyathus sp., "Nochoroicyathus cf. mariinskii" = Nochoroicyathus, "Aldanocyathus khemtschikensis" = Nochoroicyathus, "Aldanocyathus amplus" = Nochoroicyathus, "Aldanocyathus monokensis" = Nochoroicyathus, "Aldanocyathus simplex" = Nochoroicyathus
Orbicyathus mongolicus archaeocyath sponge
Sibirecyathus sp. Vologdin 1937 archaeocyath sponge
"Nochoroicyathus cf. mariinskii" = Nochoroicyathus archaeocyath sponge
"Aldanocyathus khemtschikensis" = Nochoroicyathus archaeocyath sponge
"Aldanocyathus amplus" = Nochoroicyathus archaeocyath sponge
"Aldanocyathus monokensis" = Nochoroicyathus archaeocyath sponge
"Aldanocyathus simplex" = Nochoroicyathus archaeocyath sponge
 Capsulocyathida - Coscinocyathidae
Coscinocyathus simplex archaeocyath sponge
 Capsulocyathida - Alataucyathidae
Alataucyathus jaroschevitschi Zhuravleva 1955 archaeocyath sponge