Where: Kirov, Russian Federation (57.4° N, 48.9° E: paleocoordinates 28.6° N, 41.5° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

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

• Upper Kazanian substage, lower part of reef buildup

• group of beds-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; lithified reef rocks

Size class: macrofossils

Preservation: mold/impression

Collected by A.V. Mazaev, M.S. Boiko, O.P. Shilovsky in 2004, 2005, 2013; reposited in the PIN

Collection methods: mechanical,

Primary reference: A. V. Mazaev. 2015. Middle Permian rostroconchs of the Kazanian stage of the East European Platform. Paleontological Journal 49(3):238-249 [M. Clapham/M. Clapham/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 170189: authorized by Matthew Clapham, entered by Matthew Clapham on 16.06.2015

Creative Commons license: CC BY (attribution)