Where: Russian Federation (66.1° N, 43.5° E: paleocoordinates 33.9° N, 32.3° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

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

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Primary reference: T. A. Grunt. 1980. Athrididi Russkoi Platformi. Akademiya Nauk SSSR, Trudy Paleontologicheskogo Instituta 182:1-164 [M. Clapham/M. Clapham/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 97011: authorized by Matthew Clapham, entered by Matthew Clapham on 16.07.2010

Creative Commons license: CC BY (attribution)