Where: Russian Federation (69.5° N, 129.0° E: paleocoordinates 59.8° N, 32.5° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Artinskian to Artinskian (290.1 - 272.3 Ma)

• Age uncertain, but Kungurian in Pechora basin

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified siliciclastic sediments

Size class: macrofossils

Preservation: cast, mold/impression

Primary reference: K. A. Astaf'yeva-Urbaytis. 1981. The genus Exochorhynchus from the upper Paleozoic deposits in the USSR and Mongolia. Paleontological Journal 15:29-36 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 124761: authorized by Matthew Clapham, entered by Matthew Clapham on 23.02.2012

Creative Commons license: CC BY (attribution)