Upper Siyak Beds of Siyak River Section (Devonian of Russian Federation)
Where: Bashkir, Russian Federation (53.1° N, 57.4° E: paleocoordinates 0.6° N, 18.5° E)
• coordinate based on nearby landmark
When: Upper Siyak Beds Formation, Pragian (410.8 - 407.6 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: marine; limestone
• "limestone"
Primary reference: A. P. Tyazheva and R. A. Zhavoronkova. 1977. Southern Urals. in A. Martinsson, ed. The Silurian-Devonian boundary (IUGS, Series A, Number 5). Schweizerbart'sche, Stuttgart. 203-210 [M. Foote/M. Foote/M. Foote]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 13943: authorized by Michael Foote, entered by Michael Foote on 03.05.2002
Creative Commons license: CC BY (attribution)
Taxonomic list
• "...contain[s] [three species given] and others which are correlated with the Pragian Stage..."
Show authors, comments, and common names
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