Where: Russian Federation (65.7° N, 159.3° E: paleocoordinates 64.4° N, 11.9° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Omolon Formation, Roadian (272.3 - 268.8 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified lithology not reported

Size class: macrofossils

Primary reference: T. G. Sarycheva. 1977. Pozdnepaleozoyskie produktidy Sibiri i Arktiki. Akademiya Nauk SSSR, Trudy Paleontologicheskogo Instituta 161:1-220 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 117311: authorized by Matthew Clapham, entered by Matthew Clapham on 19.09.2011

Creative Commons license: CC BY (attribution)