Where: Russian Federation (62.8° N, 159.4° E: paleocoordinates 76.2° N, 20.0° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Khivach Formation, Changhsingian (254.2 - 252.2 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified siliciclastic sediments

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 117400: authorized by Matthew Clapham, entered by Matthew Clapham on 19.09.2011

Creative Commons license: CC BY (attribution)