Where: Russian Federation (68.6° N, 64.0° E: paleocoordinates 35.1° N, 32.3° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Petarkinskaya Formation, Sakmarian (293.5 - 290.1 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified siliciclastic sediments

Size class: macrofossils

Collected by A.A. Belyaev in 1987

Primary reference: A. V. Voronov. 1992. A new species of the genus Somoholites (Ammonoidea) from Lower Permian of Pay-Khoy. Paleontological Journal 26(2):165-167 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 119517: authorized by Matthew Clapham, entered by Matthew Clapham on 29.10.2011

Creative Commons license: CC BY (attribution)