Also known as Verkhnyi Uslon

Where: Russian Federation (55.8° N, 49.0° E: paleocoordinates 28.3° N, 42.8° E)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Verkhnii Uslon Formation (Kazan Group), Wordian (266.9 - 264.3 Ma)

• Upper Kazanian beds.

•Verkhnyi Uslon beds consist of Member F (Opoki ('Silica Shales') Member) and Member G (Podluzhnik ('Stone lying under the meadow') Member) (Nurgaliev et al. 2015)

Environment/lithology: marine; gray dolomite

Size class: macrofossils

Primary reference: D. K. Nurgaliev, V. V. Silantiev, and S. V. Nikolaeva. 2015. Type and reference sections of the Middle and Upper Permian of the Volga and Kama River Regions: A Field Guidebook of XVIII International Congress on Carboniferous and Permian. 1-208 [A. Dunhill/B. Allen/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 197764: authorized by Alex Dunhill, entered by Bethany Allen on 25.11.2018

Creative Commons license: CC BY (attribution)