Where: Russian Federation (56.6° N, 57.8° E: paleocoordinates 28.0° N, 44.2° 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: marine; lithified lithology not reported

Size class: macrofossils

Collected by A. Bessonow

Primary reference: A. Karpinsky. 1899. Ueber die Reste von Edestiden und die neue Gattung Helicoprion. Verhandlungen der Kaiserlichen Russischen Mineralogischen Gesellschaft zu St. Petersburg, Zweite Series 36:1-111 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 149416: authorized by Matthew Clapham, entered by Matthew Clapham on 04.08.2013

Creative Commons license: CC BY (attribution)