Where: Russian Federation (67.5° N, 49.0° E: paleocoordinates 30.0° N, 29.5° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Sakmarian (295.5 - 290.1 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 94994: authorized by Matthew Clapham, entered by Matthew Clapham on 02.04.2010

Creative Commons license: CC BY (attribution)