Where: Russian Federation (65.2° N, 131.2° E: paleocoordinates 64.2° N, 39.9° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Aphanaia andrianovi other zone, Tumarin Formation, Kungurian (279.3 - 272.3 Ma)

• Lower Permian, Kungurian Stage, Tumarinian Horizon, Aphanaia andrianovi Bivalve Zone; Lower Tumarinian Subformation

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified siliciclastic sediments

Size class: macrofossils

Preservation: mold/impression

Collected by V.V. Kuznetsov

• Material in the Geological Museum of Kazan State University

Primary reference: A. S. Biakov. 2011. New species of Inoceramus-like bivalves of the genus Aphanaia Koninck from the Lower Permian of northeast Asia. Paleontological Journal 45:5-12 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 124854: authorized by Matthew Clapham, entered by Matthew Clapham on 25.02.2012

Creative Commons license: CC BY (attribution)