Sukharikha River, -1-0 m (Cambrian of Russian Federation)

Also known as Samples 26, 204, 278, 254, 341, 279)

Where: Yakutiya, 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, Sukharikha Formation, Tommotian (525.5 - 521.0 Ma)

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

•(Considered Aj. sunnaginicus/Tiksitheca licis zone in Rozanov et al. 1969)

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

• bed-level stratigraphic resolution

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

• LITHOLOGY: Light gray micritic limestone with small dolostone lenses. LITHIFICATION: Lithified, on the basis of facies description.

Size class: macrofossils

Collection methods: bulk,

• 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 90088: 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
  -
 Hyolithelminthida - Hyolithellidae
Hyolithellus tenuis Rozanov and Missarzhevsky 1966
Hyolithellus vladimirovae Rozanov and Missarzhevsky 1966
Hyolithellus grandis Rozanov et al. 1969
 Hyolithelminthida - Torellellidae
Torellella curva Rozanov and Missarzhevsky 1966
Torellella lentiformis Syssoiev 1962
Brachiopoda
 Tommotiida - Tommotiidae
"Tommotia kozlowskii" = Camenella kozlowskii
"Tommotia kozlowskii" = Camenella kozlowskii Rozanov and Missarzhevsky 1966
 Tommotiida - Tannuolinidae
Tannuolina sp. Fonin and Smirnova 1967
Hyolitha
 Orthothecida - Allathecidae
Antiquatheca pauca Missarzhevsky 1974
 Orthothecida - Circothecidae
Conotheca mammilata Rozanov et al. 1969
Orthothecimorpha
 Circothecida -
Helcionelloida
 Pelagiellida - Aldanellidae
"Aldanella rozanovi" = Aldanella attleborensis
"Aldanella rozanovi" = Aldanella attleborensis Shaler and Foerste 1888
 Helcionellida - Helcionellidae
Bemella jacutica Rozanov and Missarzhevsky 1966
Aculifera
  - Halkieriidae
Hexactinellida
 Reticulosa - Protospongiidae
"Protospongia" sp. Salter 1864 glass sponge
Archaeocyatha
 Capsulocyathida - Cryptoporocyathidae
"Cryptaporocyathus junicanensis" = Cryptoporocyathus
"Cryptaporocyathus junicanensis" = Cryptoporocyathus archaeocyath sponge
 Ajacicyathida - Ajacicyathidae
Nochoroicyathus virgatus archaeocyath sponge
Nochoroicyathus dragunovi archaeocyath sponge
Nochoroicyathus igarcaensis archaeocyath sponge
Nochoroicyathus sunnaginicus Zhuravleva 1960 archaeocyath sponge
Scyphozoa
 Anabaritida - Anabaritidae
Tiksitheca licis Rozanov et al. 1969 jellyfish
Coeloscleritophora
 Chancelloriida - Chancelloriidae
 Chancelloriida -