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
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
unclassified | |
Orthothecimorpha | |
Spinulitheca billingsi Syssoiev 1962 | |
Hyolitha | |
Allatheca sp. Rozanov et al. 1969 | |
Brachiopoda | |
Camenella garbowskae Rozanov and Missarzhevsky 1966 | |
Tannuolina sp. Fonin and Smirnova 1967 | |
Helcionelloida | |
Bemella jacutica Rozanov and Missarzhevsky 1966 | |
"Heraultipegma sibirica" = Watsonella crosbyi
"Heraultipegma sibirica" = Watsonella crosbyi Grabau 1900 | |
Aculifera | |
Halkieria sacciformis Meshkova 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 |