Where: Russian Federation (67.1° N, 52.7° E: paleocoordinates 36.0° N, 34.5° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Vil'skaya Formation, Kungurian (279.3 - 272.3 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Primary reference: V. P. Barchatova. 1968. Spiriferellidae, Brachythyrinae. Novye Vidy Drevnikh Rasteniy i Bespozvonochnykh SSSR 2:160-167 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 101757: authorized by Matthew Clapham, entered by Matthew Clapham on 01.01.2011

Creative Commons license: CC BY (attribution)