Bayan Kol River, Sayan, G. howelli 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: Lower Member (Bayan Kol Formation), Atdabanian (521.0 - 516.0 Ma)

• Gordonicyathus howelli 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 81247: authorized by Wolfgang Kiessling, entered by Uta Merkel on 13.06.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Rasumovskia sp.
Subtifloria
  -
Subtifloria sp.
Subtifloria sp. Maslov 1956
Batinevia
  - Chabakoviacea
Batinevia sp.
Batinevia sp. Korde 1966
Hormogoneae
 Oscillatoriales - Girvanellaceae
Girvanella sp.
Girvanella sp. Nicholson and Etheridge 1878
Archaeocyatha
 Ajacicyathida - Sajanocyathidae
Irinaecyathus sp.
Irinaecyathus sp. archaeocyath sponge
 Ajacicyathida - Bronchocyathidae
Cyclocyathella sp.
Cyclocyathella sp. archaeocyath sponge
 Ajacicyathida - Ajacicyathidae
"Nochoroicyathus sp." = Nochoroicyathus, "Aldanocyathus amplus" = Nochoroicyathus
"Nochoroicyathus sp." = Nochoroicyathus Zhuravleva 1951 archaeocyath sponge
"Aldanocyathus amplus" = Nochoroicyathus archaeocyath sponge
 Ajacicyathida - Densocyathidae
Leptosocyathus sp.
Leptosocyathus sp. archaeocyath sponge
 Monocyathida - Monocyathidae
Archaeolynthus sibiricus
Archaeolynthus sibiricus archaeocyath sponge
 Monocyathida - Tumuliolynthidae
Tumuliolynthus tubexternus
Tumuliolynthus tubexternus archaeocyath sponge
 Archaeocyathida - Archaeopharetridae
Archaeopharetra marginata
Archaeopharetra marginata archaeocyath sponge
 Archaeocyathida - Sakhacyathidae
Sakhacyathus karpinskii
Sakhacyathus karpinskii Osadchaya and Kotelnikov 1998 archaeocyath sponge
 Archaeocyathida - Loculicyathidae
Neoloculicyathus ex gr. primus, "Cambrocyathellus tuberculatus" = Cambrocyathellus, "Cambrocyathellus kundatus" = Cambrocyathellus, "Robustocyathus flexus" = Cambrocyathellus
Neoloculicyathus ex gr. primus archaeocyath sponge
"Cambrocyathellus tuberculatus" = Cambrocyathellus archaeocyath sponge
"Cambrocyathellus kundatus" = Cambrocyathellus archaeocyath sponge
"Robustocyathus flexus" = Cambrocyathellus archaeocyath sponge
 Capsulocyathida - Alataucyathidae
Alataucyathus jaroschevitschi
Alataucyathus jaroschevitschi Zhuravleva 1955 archaeocyath sponge
Epiphyton
  - Ludloviaceae
Epiphyton sp.
Epiphyton sp. Bornemann 1886
Proaulopora
  -
Proaulopora sp.
Proaulopora sp. Vologdin 1962