Lava River canyon, Bed K-15 (Ordovician of Russian Federation)

Where: St. Petersburg, Russian Federation (60.0° N, 32.6° E)

• Paleocoordinates: 30.3° S, 58.1° W (Wright 2013)

• coordinate estimated from map

When: Asaphus raniceps trilobite zone, Obukhovo Formation, Kunda (469.1 - 464.3 Ma)

Environment/lithology: marine; gray wackestone and dolomitic, glauconitic packstone

• "Obukhovo Formation, which is a light grey bioclastic wacke- to packstone. The lower part of this formation is often dolomitized and has a higher glauconite content than the underlying formation..", in Rasmussen & Harper (2008)

Size classes: macrofossils, mesofossils

Primary reference: C. M. O. Rasmussen and D. A. T. Harper. 2008. Resolving early Mid-Ordovician (Kundan) bioevents in the East Baltic based on brachiopods. Geobios 41:533-542 [B. Kröger/B. Kröger]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 191359: authorized by Björn Kröger, entered by Björn Kröger on 23.01.2018

Creative Commons license: CC0 (CC0)

Taxonomic list

Show authors, comments, and common names
Strophomenata
 Strophomenida - Taffiidae
Ahtiella sp.
Ahtiella sp. Öpik 1932
Rhynchonellata
 Orthida - Productorthidae
Glossorthis sp.
Glossorthis sp. Öpik 1930
 Orthida - Orthidae
Orthambonites cf. majuscula