Sula River, Pelskaya Fm, above mouth of Yangyta river (Permian of Russian Federation)

Where: Russian Federation (66.9° N, 53.7° E: paleocoordinates 30.9° N, 31.4° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Pelskaya Formation, Sakmarian (293.5 - 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 101759: authorized by Matthew Clapham, entered by Matthew Clapham on 01.01.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Rhynchonellata
 Spiriferida - Spiriferellidae
"Spiriferella digna" = Arcullina polaris
"Spiriferella digna" = Arcullina polaris Wiman 1914