Where: Russian Federation (73.4° N, 115.8° E: paleocoordinates 60.8° N, 24.6° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Intomodesma costatum other zone, Misailap Formation, Changhsingian (254.2 - 252.2 Ma)

• "Misailap" Formation, Intomodesma costatum bivalve zone, Vyatkian (Khalpirki 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 221267: authorized by Matthew Clapham, entered by Matthew Clapham on 20.07.2021

Creative Commons license: CC BY (attribution)