Where: Siberia, Russian Federation (62.0° N, 129.7° E: paleocoordinates 2.8° S, 5.3° W)

• coordinate based on political unit

• outcrop-level geographic resolution

When: Chopko Formation, Merioneth (497.0 - 485.4 Ma)

• formation-level stratigraphic resolution

Environment/lithology:

Preservation: replaced with pyrite

Collection methods: The specimens were collected by geologist T. K. Bazkenova in the 1960 Noril'sk Expedition of the University of Moscow and deposited in the USSR Academy of Science as collection no. 4274

Primary reference: I. S. Barskov and A. Y. Zhuravlev. 1988. Soft-bodied Cambrian organisms of the Siberian Platform. Paleontological Journal 22(1):1-7 [M. Patzkowsky/P. Borkow]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 10009: authorized by Mark Patzkowsky, entered by Phil Borkow on 07.02.2001

Creative Commons license: CC BY (attribution)