Where: Russian Federation (73.5° N, 115.8° E: paleocoordinates 56.8° N, 31.1° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Kozhevnikov Formation, Roadian (272.3 - 268.8 Ma)

• Upper Kozhevnikov Formation, Kolymia inoceramiformis-Kolymia plicata bivalve zone, Kazanian (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: North East Interdisciplinary Sciences Research Institute (NEISRI)

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 221241: authorized by Matthew Clapham, entered by Matthew Clapham on 19.07.2021

Creative Commons license: CC BY (attribution)