Where: Russian Federation (63.4° N, 161.2° E: paleocoordinates 52.1° N, 17.7° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Magiveem Formation, Kasimovian (307.0 - 303.7 Ma)

• Magiveem Formation, 20 m above the base; Parenian Superhorizon and Icheveem Horizon.

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified, cherty/siliceous siliciclastic sediments

Size class: macrofossils

Preservation: mold/impression

Collected by A.S. Biakov

Primary reference: R. V. Kutygin, V. G. Ganelin, and A. S. Biakov. 2016. New records of the late Carboniferous ammonoid genus Eoshumardites in the Kolyma–Omolon Region, and notes on the evolution of Eoshumarditidae. Paleontological Journal 50:347-357 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 180996: authorized by Matthew Clapham, entered by Matthew Clapham on 13.08.2016

Creative Commons license: CC BY (attribution)