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
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
unclassified | |
Brachiopoda | |
Tannuolina sp. Fonin and Smirnova 1967 | |
"Tommotia kozlowskii" = Camenella kozlowskii
"Tommotia kozlowskii" = Camenella kozlowskii Rozanov and Missarzhevsky 1966 | |
Hyolitha | |
Antiquatheca pauca Missarzhevsky 1974 | |
Conotheca mammilata Rozanov et al. 1969 | |
Orthothecimorpha | |
Spinulitheca billingsi Syssoiev 1962 | |
Helcionelloida | |
Bemella jacutica Rozanov and Missarzhevsky 1966 | |
"Aldanella rozanovi" = Aldanella attleborensis
"Aldanella rozanovi" = Aldanella attleborensis Shaler and Foerste 1888 | |
Aculifera | |
Halkieria sacciformis Meshkova 1969 | |
Torellella lentiformis Syssoiev 1962
Torellella curva Rozanov and Missarzhevsky 1966 | |
Hyolithellus tenuis Rozanov and Missarzhevsky 1966
Hyolithellus vladimirovae Rozanov and Missarzhevsky 1966
Hyolithellus grandis Rozanov et al. 1969 | |
Archaeocyatha | |
Nochoroicyathus virgatus, Nochoroicyathus dragunovi, Nochoroicyathus igarcaensis, Nochoroicyathus sunnaginicus
Nochoroicyathus virgatus archaeocyath sponge
Nochoroicyathus dragunovi archaeocyath sponge
Nochoroicyathus igarcaensis archaeocyath sponge
Nochoroicyathus sunnaginicus Zhuravleva 1960 archaeocyath sponge | |
"Cryptaporocyathus junicanensis" = Cryptoporocyathus
"Cryptaporocyathus junicanensis" = Cryptoporocyathus archaeocyath sponge | |
Hexactinellida | |
"Protospongia" sp. Salter 1864 glass sponge | |
Scyphozoa | |
Tiksitheca licis Rozanov et al. 1969 jellyfish | |
Coeloscleritophora | |