Lena River, Bydyangaya Creek, upper biohermal facies (Cambrian of Russian Federation)

Also known as Reef 3755

Where: Yakutiya, Russian Federation (60.8° N, 125.4° E: paleocoordinates 13.1° S, 14.2° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Pestrotsvet Formation, Tommotian (525.5 - 521.0 Ma)

• D. lenaicus-T. primigenius zone

• group of beds-level stratigraphic resolution

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

• loose boulders of Renalcis-rich bioherms

Size class: macrofossils

Primary reference: P. D. Kruse, A. Y. Zhuravlev, and N. P. James. 1995. Primordial metazoan-calcimicrobial reefs: Tommotian (Early Cambrian) of the Siberian Platform. Palaios 10:291-321 [W. Kiessling/B. Bookhagen/M. Uhen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 80814: authorized by Wolfgang Kiessling, entered by Uta Merkel on 13.05.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

Archaeocyatha
 Monocyathida - Tumuliolynthidae
Tumuliolynthus primigenius archaeocyath sponge
 Monocyathida - Monocyathidae
Archaeolynthus polaris archaeocyath sponge
 Ajacicyathida - Asterocyathidae
Retecoscinus sakhaensis archaeocyath sponge
Erismacoscinus rojkovi archaeocyath sponge
 Ajacicyathida - Ajacicyathidae
Nochoroicyathus tkatschenkoi archaeocyath sponge
Nochoroicyathus anabarensis archaeocyath sponge
Nochoroicyathus aldanicus archaeocyath sponge
Nochoroicyathus mirabilis archaeocyath sponge
Nochoroicyathus ridiculus archaeocyath sponge
Nochoroicyathus pseudocultatus archaeocyath sponge
Nochoroicyathus turbidus archaeocyath sponge
 Capsulocyathida - Cryptoporocyathidae
Cryptoporocyathus junicanensis archaeocyath sponge
 Archaeocyathida - Dictyocyathidae
Dictyocyathus translucidus archaeocyath sponge
 Archaeocyathida - Loculicyathidae
Okulitchicyathus discoformis archaeocyath sponge
Renalcis
  - Chabakoviacea