Where: Russian Federation (44.0° N, 40.7° E: paleocoordinates 14.2° S, 55.7° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Upper Member (Urushten Formation), Changhsingian (254.2 - 252.2 Ma)

• Late Changhsingian; uppermost part of Urushten Formation, Claraioides labensis assemblage

• group of beds-level stratigraphic resolution

Environment/lithology: offshore; lithified, gray mudstone and lithified, calcareous siltstone

Size class: macrofossils

Preservation: mold/impression

Primary reference: M. V. Kulikov and G. A. Tkachuk. 1979. Find of Claraia (Bivalvia) in the Upper Permian of the northern Caucasus. Doklady Akademii Nauk SSSR 245(4):905-908 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 60742: authorized by Wolfgang Kiessling, entered by Uta Merkel on 22.05.2006, edited by Matthew Clapham

Creative Commons license: CC BY (attribution)