Volkhov River near Simankovo, Zheltyaki member (Ordovician of Russian Federation)

Where: St. Petersburg, Russian Federation (59.2° N, 30.1° E: paleocoordinates 38.0° S, 0.1° W)

• coordinate estimated from map

When: Zheltyaki Member (Volkhov Formation), Dapingian (470.0 - 467.3 Ma)

• "subhorizon BIIβ, Zheltyaki Limestone.", in Koromyslova (2011)

Environment/lithology: marine; glauconitic limestone

Size classes: macrofossils, mesofossils

Primary reference: A.V. Koromyslova. 2011. Bryozoans of the Latorp and Volkhov Horizons (Lower–Middle Ordovician) of the Leningrad Region. Paleontological Journal 45(8):887-980 [B. Kröger/B. Kröger]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 191240: authorized by Björn Kröger, entered by Björn Kröger on 18.01.2018

Creative Commons license: CC BY (attribution)

Taxonomic list

Strophomenata
 Billingsellida - Clitambonitidae
Apomatella ingrica Pahlen 1877
Stenolaemata
 Trepostomida - Esthonioporidae
Esthoniopora curvata Bassler 1911
 Esthonioporata - Revalotrypidae
Revalotrypa papillaris Modzalevskaya 1953
Revalotrypa krestensis Koromyslova 2008
 Trepostomata - Amplexoporidae
Anaphragma verectum Koromyslova 2011