Obukhovo, Volkhov river (Ordovician of Russian Federation)

Also known as Oberchowo, Wolchow River

Where: Vokhov area, Russian Federation (60.0° N, 32.3° E: paleocoordinates 37.7° S, 1.0° E)

• coordinate estimated from map

When: Megalaspis limbata trilobite zone, Dikari Member (Volkhov Formation), Volkhov (471.1 - 469.2 Ma)

• "Megalaspiskalk", in Opik (1934)

•"Glauconite Limestone", in Bassler 91911)

•This should be the basal member of the Volkhov formation in this region.

Environment/lithology: marine; limestone

Size classes: macrofossils, mesofossils

Primary reference: A. Opik. 1934. Über Klitamboniten. Publications of the Geological Institution of the University of Tartu 39:1-240 [B. Kröger/B. Kröger]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 166090: authorized by Björn Kröger, entered by Björn Kröger on 04.02.2015, edited by Pete Wagner

Creative Commons license: CC BY (attribution)

Taxonomic list

 Cryptostomata - Ptilodictyidae
Stictoporella gracilis1 Eichwald 1840
 Trepostomida - Monticuliporidae
Dittopora annulata1 Dybowski 1877
 Esthonioporata - Esthonioporidae
Esthoniopora communis1 Bassler 1911
 Billingsellida - Polytoechiidae
Raunites venusta2 Opik 1934