Where: Arkhangel'skaya Oblast', Russian Federation (72.0° N, 52.0° E: paleocoordinates 3.1° N, 0.4° W)

• coordinate estimated from map

• basin-level geographic resolution

When: Valnev Horizon Formation, Pragian (410.8 - 407.6 Ma)

• Lower part of Valnev Horizon corresponds to the Nordotoechia tumida/Taimyrrhynx polaris Lona. "A Lona is a regional taxonomic unit, subordinate to a horizon and corresponding to a minor phase in the development of the basin and in the evolution of the organic world."

• formation-level stratigraphic resolution

Environment/lithology: marine; dolomitic limestone and grainstone

Collection methods: Faunal list from Fig. 3

Primary reference: S. V. Cherkesova. 1988. Lower and Middle Devonian marine deposits of the Soviet arctic and the correlation with arctic Canada. In N. J. McMillan, A. F. Embry, and D. J. Glass (eds.), Devonian of the World, Volume III 669-679 [M. Foote/M. Foote/P. Wagner]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 40700: authorized by Michael Foote, entered by Michael Foote on 28.06.2004

Creative Commons license: CC BY (attribution)