Sukharikha River, 0-1 m [Krasnoporog Fm] (Cambrian of Russian Federation)

Where: Russian Federation (67.1° N, 86.7° E: paleocoordinates 23.8° S, 0.7° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Ladatheca annae small shelly zone, Krasnoporog Formation, Tommotian (525.5 - 521.0 Ma)

• LITHOSTRATIGRAPHY: From the Krasnoporog Fm, which overlies the Sukharikha Fm (Neoproterozoic-Nemakit-Daldynian), and is overlain by the Shumny Fm (Botomian-Toyonian). AGE: Tommotian, on the basis of small shelly fauna biostratigraphy; Ladatheca annae biozone. STRATIGRAPHIC POSITION: From 0-1 m in section

•10.5-12.5 m above the base of the formation, uppermost Tommotian

• bed-level stratigraphic resolution

Environment/lithology: lithified, red limestone

• LITHOLOGY: Red-pink heavily styolitized limestone. LITHIFICATION: Lithified, on the basis of facies description.

Size class: macrofossils

Collection methods: bulk, surface (in situ),

• COLLECTOR: Rowland et al. REPOSITORY: Not stated in text.

Primary reference: S. M. Rowland, V. A. Luchinina, I. V. Korovnikov, D. P. Sipin, A. I. Tarletskov and A. V. Fedoseev. 1998. Biostratigraphy of the Vendian-Cambrian Sukharikha River section, northwestern Siberian Platform. Canadian Journal of Earth Sciences 35(4):339-352 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 90089: authorized by Austin Hendy, entered by Austin Hendy on 07.07.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Exhaustive for small shelly fossils. NOMENCLATURE: Not an authoritative publication, but with apparently modern nomenclature and species-resolution identifications.
unclassified
  -
Aculifera
  - Halkieriidae
Helcionelloida
 Helcionellida - Helcionellidae
Bemella jacutica Rozanov and Missarzhevsky 1966
Watsonella crosbyi
  -
"Heraultipegma sibirica" = Watsonella crosbyi
"Heraultipegma sibirica" = Watsonella crosbyi Grabau 1900
Hyolitha
 Orthothecida - Allathecidae
Allatheca sp. Rozanov et al. 1969
Orthothecimorpha
 Circothecida - Turcuthecidae
 Circothecida -
Spinulitheca billingsi Syssoiev 1962
Brachiopoda
 Tommotiida - Tommotiidae
Camenella garbowskae Rozanov and Missarzhevsky 1966
 Tommotiida - Tannuolinidae
Tannuolina sp. Fonin and Smirnova 1967
Archaeocyatha
 Ajacicyathida - Ajacicyathidae
Nochoroicyathus virgatus archaeocyath sponge
Nochoroicyathus dragunovi archaeocyath sponge
Nochoroicyathus igarcaensis archaeocyath sponge
Nochoroicyathus sunnaginicus Zhuravleva 1960 archaeocyath sponge
 Hyolithelminthida - Hyolithellidae