Where: Russian Federation (59.7° N, 30.2° E: paleocoordinates 37.6° S, 0.1° W)

• coordinate estimated from map

When: Eoplacognathus variabilis conodont zone, Obukhovo Formation, Hunderum (471.8 - 466.0 Ma)

• "middle Eoplacognathus variabilis zone", in Zuykov (1999)

• formation-level stratigraphic resolution

Environment/lithology: marine; limestone

Size classes: macrofossils, mesofossils

Primary reference: M. A. Zuykov. 1999. Platystrophia (Orthida, Brachiopoda) from the Arenig and Lowermost Llanvirn of Northwestern Russia. Proceedings of the Estonian Academy of Sciences (Eesti Teaduste Akadeemia Toimetised) 48(4):195-212 [B. Kröger/B. Kröger]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 191692: authorized by Björn Kröger, entered by Björn Kröger on 09.02.2018

Creative Commons license: CC BY (attribution)