Lynna River, left bank, near Khamontovo, Frizy member (Ordovician of Russian Federation)

Where: St. Petersburg, Russian Federation (60.0° N, 32.6° E: paleocoordinates 34.0° S, 2.4° E)

• coordinate estimated from map

When: Frizy Member (Volkhov Formation), Darriwilian (467.3 - 458.4 Ma)

• "subhorizon BIIγ, Frizy 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 191241: authorized by Björn Kröger, entered by Björn Kröger on 18.01.2018

Creative Commons license: CC BY (attribution)

Taxonomic list

Stenolaemata
 Trepostomida - Esthonioporidae
Esthonioporella miranda Koromyslova 2011
 Trepostomida - Aisenvergiidae
Orbipora acanthophora Bassler 1911
 Esthonioporata - Revalotrypidae
Revalotrypa gibbosa Bassler 1911
Revalotrypa papillaris Modzalevskaya 1953
Revalotrypa krestensis Koromyslova 2008
Lynnopora lunata Gorjunova and Koromyslova 2008
 Cryptostomata -
Prophyllodictya intermedia Gorjunova and Lavrentjeva 1987
 Trepostomata - Halloporidae
Dianulites janischevskyi Modzalevskaya 1953
"Dianulites fastigiatus" = Dianulites detritus Eichwald 1829
Diplotrypa olgae Koromyslova 2004
 Trepostomata - Amplexoporidae
Anaphragma verectum Koromyslova 2011
 Trepostomata - Monticuliporidae
Dittopora annulata Dybowski 1877