Bolshetirsky bioherms (Cambrian of Russian Federation)

Also known as Reef 232

Where: Russian Federation (59.3° N, 108.5° E: paleocoordinates 12.9° S, 5.4° W)

• coordinate estimated from map

• outcrop-level geographic resolution

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

• group of beds-level stratigraphic resolution

Environment/lithology: slope or ramp reef; lithified reef rocks

• gentle slope of an extended platform (Nepa-Botuoba)
• type 1a bioherms: very pronounced buildups, asymmetrical geometry, thickness 80-110 m

Size class: macrofossils

Collection methods: core,

Primary reference: V. G. Kuznetsov and O. V. Postnikova. 1988. Geometry and internal structure of subsurface Lower Cambrian reefs of the Siberian Platform: Osinsky Horizon (Aldanian), Nepsko-Botuobinsky Anteclise, southern central Siberia. Facies 19:259-270 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 80846: authorized by Wolfgang Kiessling, entered by Uta Merkel on 15.05.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Epiphyton
  - Ludloviaceae
Epiphyton sp. Bornemann 1886
Archaeocyatha
 Archaeocyathida -
Archaeocyathida indet. Okulitch 1935 archaeocyath sponge
Renalcis
  - Chabakoviacea
Renalcis sp. Vologdin 1932