Lena River, Bydyangaya Creek, lower peribiohermal 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)

• Dokidocyathus regularis zone, Lapworthella bella subzone

• group of beds-level stratigraphic resolution

Environment/lithology: perireef or subreef; lithified limestone

• flanking beds of the 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 80812: authorized by Wolfgang Kiessling, entered by Uta Merkel on 13.05.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

 Hyolithelminthida - Hyolithellidae
Hyolithellus tenuis Rozanov and Missarzhevsky 1966
Hyolithellus grandis Rozanov et al. 1969
Hyolithellus vladimirovae Rozanov and Missarzhevsky 1966
 Hyolithelminthida - Torellellidae
Coeloscleritophora
 Chancelloriida - Chancelloriidae
Allonnia sp. Doré and Reid 1965
Archiasterella sp. Sdzuy 1969
Hexactinellida
 Reticulosa - Protospongiidae
Protospongiidae indet. Hinde 1887 glass sponge
Archaeocyatha
 Archaeocyathida - Dictyocyathidae
Dictyocyathus translucidus archaeocyath sponge
 Archaeocyathida - Loculicyathidae
Cambrocyathellus tschuranicus archaeocyath sponge
Okulitchicyathus discoformis archaeocyath sponge
 Capsulocyathida - Cryptoporocyathidae
Cryptoporocyathus junicanensis archaeocyath sponge
 Monocyathida - Monocyathidae
Archaeolynthus polaris archaeocyath sponge
Brachiopoda
 Tommotiida - Tommotiidae
"Tommotia kozlowskii" = Camenella kozlowskii
"Tommotia kozlowskii" = Camenella kozlowskii Rozanov and Missarzhevsky 1966
 Tommotiida - Sunnaginiidae
Sunnaginia imbricata Rozanov et al. 1969
Paterinata
 Paterinida - Cryptotretidae
Hyolitha
 Orthothecida - Allathecidae
Orthothecimorpha
 Circothecida -
"Coleolella billingsi" = Spinulitheca billingsi
"Coleolella billingsi" = Spinulitheca billingsi Syssoiev 1962
Aculifera
  - Halkieriidae
Halkieria sacciformis Meshkova 1969
Helcionelloida
  - Stenothecidae
"Watsonella sibirica" = Watsonella crosbyi
"Watsonella sibirica" = Watsonella crosbyi Grabau 1900
  - Helcionellidae
Ilsanella sp. Missarzhevsky 1981