Where: Vologda, Russian Federation (60.6° N, 45.4° E: paleocoordinates 32.4° N, 37.8° E)

• coordinate stated in text

When: Ustpoldarsa Member (Poldarsa Formation), Late/Upper Severodvinian (264.3 - 259.5 Ma)

Environment/lithology: fluvial-lacustrine; lithified limestone

Size class: macrofossils

Primary reference: M.P. Arefiev, V.K. Golubev, Y.P. Balabanov, E.V. Karasev, A.V. Minikh, M.G. Minikh, II Molostovskaya, O.P. Yaroshenko and M.A. Zhokina-Naumcheva. 2015. Type and reference sections of the Permian–Triassic continental sequences of the East European Platform: main isotope, magnetic, and biotic events. XVIII International Congress on the Carboniferous and Permian Sukhona and Severnaya Dvina Rivers field trip [J. Flannery-Sutherland/J. Flannery-Sutherland]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 233371: authorized by Joseph Flannery-Sutherland, entered by Joseph Flannery-Sutherland on 07.02.2024

Creative Commons license: CC BY (attribution)