Where: Russian Federation (65.8° N, 59.5° E: paleocoordinates 36.9° N, 38.4° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Kungurian (279.3 - 272.3 Ma)

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified siliciclastic sediments

Size class: macrofossils

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 101723: authorized by Matthew Clapham, entered by Matthew Clapham on 31.12.2010

Creative Commons license: CC BY (attribution)