Where: Russian Federation (57.3° N, 57.4° E: paleocoordinates 28.3° N, 43.5° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Artinskian (290.1 - 279.3 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: lithified, nodular limestone

Size class: macrofossils

Collected by A. Tchernow in 1903-1904

Primary reference: A. Tchernow. 1907. Artinskiy Yarus I. Ammonei basseynov Yayvy, Kos'vy i Chusovoi. Bulletin de la Société Impériale des Naturalistes de Moscou, Nouvelle Série 20:270-401 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 125102: authorized by Matthew Clapham, entered by Matthew Clapham on 03.03.2012

Creative Commons license: CC BY (attribution)