Lena River, Oy-Muran (Kokoulinsk) bioherm complex, unit 9-10 biostrome (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

• eastern part of the complex

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 81215: authorized by Wolfgang Kiessling, entered by Uta Merkel on 11.06.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

Archaeocyatha
 Archaeocyathida - Loculicyathidae
"Robustocyathus sp." = Cambrocyathellus
"Robustocyathus sp." = Cambrocyathellus archaeocyath sponge
 Capsulocyathida - Coscinocyathidae
Coscinocyathus sp. Bornemann 1884 archaeocyath sponge
 Capsulocyathida - Fransuasaecyathidae
Fransuasaecyathus subtumulatus archaeocyath sponge
subsp. secundus
 Monocyathida - Tumuliolynthidae
Tumuliolynthus tubexternus archaeocyath sponge
Tumuliolynthus vologdini archaeocyath sponge
 Ajacicyathida - Ajacicyathidae
Nochoroicyathus sp. Zhuravleva 1951 archaeocyath sponge
 Ajacicyathida - Kijacyathidae
Fansycyathus lermontovae archaeocyath sponge
 Ajacicyathida - Carinacyathidae
"Porocyathus sp." = Carinacyathus
"Porocyathus sp." = Carinacyathus archaeocyath sponge
 Ajacicyathida - Geocyathidae
Geocyathus botomaensis archaeocyath sponge
Geocyathus latini archaeocyath sponge