Lena River, Oy-Muran (Kokoulinsk) bioherm complex, unit 14 interbiohermal 2 (Cambrian of Russian Federation)

Also known as Reef 1745

Where: Yakutiya, Russian Federation (61.0° N, 126.1° E: paleocoordinates 9.3° S, 12.8° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Taryn Formation, Botomian (516.0 - 512.9 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: perireef or subreef; lithified limestone

• E 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 81223: authorized by Wolfgang Kiessling, entered by Uta Merkel on 11.06.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

Archaeocyatha
 Ajacicyathida - Ethmophyllidae
Ethmophyllum sp. Meek 1868 archaeocyath sponge
 Ajacicyathida - Carinacyathidae
"Porocyathus squamosus" = Carinacyathus
"Porocyathus squamosus" = Carinacyathus archaeocyath sponge
 Ajacicyathida - Ajacicyathidae
"Nochoroicyathus lenaicus" = Nochoroicyathus, "Ajacicyathellus sp." = Nochoroicyathus
"Nochoroicyathus lenaicus" = Nochoroicyathus archaeocyath sponge
"Ajacicyathellus sp." = Nochoroicyathus Zhuravleva 1951 archaeocyath sponge
 Ajacicyathida - Bronchocyathidae
Trininaecyathus sp. archaeocyath sponge
 Ajacicyathida - Jakutocarinidae
Rossocyathella ninaekosti archaeocyath sponge
 Ajacicyathida - Pretiosocyathidae
? Pretiosocyathus sp. Rozanov 1966 archaeocyath sponge
 Ajacicyathida -
? Nevadacyathus sp. Okulitch 1943 archaeocyath sponge
 Ajacicyathida - Dokidocyathidae
? Dokidocyathus sp. Taylor 1910 archaeocyath sponge
 Monocyathida - Monocyathidae
Archaeolynthus sp. Taylor 1910 archaeocyath sponge
 Capsulocyathida - Coscinocyathidae
Coscinocyathus sp. Bornemann 1884 archaeocyath sponge
 Capsulocyathida - Uralocyathellidae
Rhabdolynthus conicus archaeocyath sponge