Lena River, Oy-Muran (Kokoulinsk) bioherm complex, unit 6-7 biostromes (Cambrian of Russian Federation)

Also known as Reef 1745

Where: Yakutiya, Russian Federation (61.0° N, 126.1° E: paleocoordinates 10.3° S, 13.9° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Pestrotsvet Formation, Atdabanian (521.0 - 516.0 Ma)

• group of beds-level stratigraphic resolution

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

• biostromes

Size class: macrofossils

Primary reference: I. T. Zhuravleva. 1972. Rannekembriyskiye fatsialnyye kompleksy arkheotsiat (r. Lena, sredneye techeniye) [Lower Cambrian archaeocyath complexes (middle Lena River)]. in I. T. Zhuravleva, ed., Problemy biostratigrafii i paleontologii nizhnego kembriya Sibiri [Lower Cambrian biostratigraphical and paleontological problems of Siberia] 31-109 [W. Kiessling/U. Merkel/U. Merkel]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 81196: authorized by Wolfgang Kiessling, entered by Uta Merkel on 10.06.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

Archaeocyatha
 Capsulocyathida - Coscinocyathidae
Coscinocyathus dianthus archaeocyath sponge
 Archaeocyathida -
Sphinctocyathus oimuranicus archaeocyath sponge
 Archaeocyathida - Archaeocyathidae
"Archaeofungia sp." = Pycnoidocyathus
"Archaeofungia sp." = Pycnoidocyathus Taylor 1910 archaeocyath sponge
 Archaeocyathida - Dictyocyathidae
Dictyocyathus sp. archaeocyath sponge
 Archaeocyathida - Loculicyathidae
Paranacyathus subartus archaeocyath sponge
"Robustocyathus sp." = Cambrocyathellus archaeocyath sponge
Loculicyathus membranivestites archaeocyath sponge
 Ajacicyathida - Ethmophyllidae
Ethmophyllum rossicum archaeocyath sponge
 Ajacicyathida - Ajacicyathidae
Ajacicyathus sp. Bedford and Bedford 1939 archaeocyath sponge
Ajacicyathus anabarensis archaeocyath sponge
 Ajacicyathida - Bronchocyathidae
Compositocyathus sp. archaeocyath sponge
Compositocyathus muchattensis archaeocyath sponge
 Ajacicyathida - Ethmocyathidae
Degeletticyathus sp. archaeocyath sponge
 Ajacicyathida - Dokidocyathidae
Dokidocyathus lenaicus archaeocyath sponge
 Monocyathida - Monocyathidae
Archaeolynthus polaris archaeocyath sponge
Bicyathus
  -
Bicyathus sp. Vologdin 1939