Lava River canyon, Bed K-18 (Ordovician of Russian Federation)

Where: St. Petersburg, Russian Federation (60.0° N, 32.6° E: paleocoordinates 35.6° S, 1.9° E)

• coordinate estimated from map

When: Asaphus raniceps trilobite zone, Obukhovo Formation, Kunda (468.1 - 463.5 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 191357: authorized by Björn Kröger, entered by Björn Kröger on 23.01.2018

Creative Commons license: CC BY (attribution)

Taxonomic list

Strophomenata
 Billingsellida - Gonambonitidae
Gonambonites sp. Pander 1830
 Strophomenida - Taffiidae
Ahtiella sp. Öpik 1932
Rhynchonellata
 Pentamerida -
Syntrophiidina indet. Ulrich and Cooper 1936
 Orthida - Paurorthidae
Paurorthis parva Pander 1830
 Orthida - Orthidae
 Orthida - Lycophoriidae
Lycophoria sp. Lahusen 1885
Lingulata
 Lingulida - Pseudolingulidae
Pseudolingula sp. Mickwitz 1909