Where: Russian Federation (55.8° N, 48.9° E: paleocoordinates 28.3° N, 42.8° E)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Perekhodnaya Member (Morkvashi Formation), Wordian (266.9 - 264.3 Ma)

• Upper Kazanian beds.

•Morkvashi beds comprise Member H (Perekhodnaya ('Transitional') Member), with the overlying rocks being Urzhumian red-stones of the Sulitsa Formation (Nurgaliev et al. 2015)

Environment/lithology: coastal; 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 197765: authorized by Alex Dunhill, entered by Bethany Allen on 25.11.2018

Creative Commons license: CC BY (attribution)