Where: Russian Federation (73.5° N, 115.8° E: paleocoordinates 57.8° N, 31.3° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Kolymia multiformis other zone, Kozhevnikov Formation, Wordian (266.9 - 264.3 Ma)

• Upper Kozhevnikov Formation, Kolymia multiformis bivalve zone, Urzhumian (Delenzha regional horizon)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified sandstone

Size class: macrofossils

Preservation: mold/impression

Collected by A.B. Kuzmichev, M.K. Danukalova, E.S. Sobolev in 2012

• Repository: Centre for Collective Use "Geokhron" of Trofimuk Institute of Petroleum Geology and Geophysics, Siberian Branch, Russian Academy of Sciences (CCU "Geokhron" IPGG SB RAS).

Primary reference: A. S. Biakov, M. K. Danukalova, A. B. Kuzmichev and E. S. Sobolev. 2021. Permian bivalves of the Pronchishchev Ridge (North Siberia): new data on taxonomic composition, biostratigraphy, and biogeographic relationships. Paleontological Journal 55:24-34 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 221245: authorized by Matthew Clapham, entered by Matthew Clapham on 19.07.2021

Creative Commons license: CC BY (attribution)