Russkaya-Omolon River, Omolon Svita (1938 coll) (Permian to of Russian Federation)

Where: Russian Federation (63.7° N, 159.2° E: paleocoordinates 66.3° N, 16.0° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Omolon Formation, Roadian to Roadian (272.3 - 264.3 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: lithified limestone

Size class: macrofossils

Collected by B.A. Snyatkov in 1938

Primary reference: V. M. Zavodowsky. 1968. Spiriferacea. Novye Vidy Drevnikh Rasteniy i Bespozvonochnykh SSSR 2:149-160 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 121559: authorized by Matthew Clapham, entered by Matthew Clapham on 07.12.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Rhynchonellata
 Spiriferida - Trigonotretidae
Neospirifer tricostatus Zavodowsky 1968