Bank of the Yuga Creek near Luzha (Ordovician of Russian Federation)

Where: Leningrad, Russian Federation (60.0° N, 32.0° E: paleocoordinates 39.5° S, 0.2° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Paroistodus proteus conodont zone, Joa Member (Leetse Formation), Floian (477.7 - 470.0 Ma)

• Hunneberg Regional Stage, lowermost Floian

Environment/lithology: open shallow subtidal; limestone

• shallow sea
• limestone nodules found in the lower part of glauconitic sandstone

Size class: microfossils

Primary reference: P. V. Fedorov, A. V. Koromyslova, and S. O. Martha. 2017. The oldest bryozoans of Baltoscandia from the lowermost Floian (Ordovician) of north-western Russia: two new rare, small and simple species of Revalotrypidae. PalZ 91:353-373 [W. Kiessling/M. Krause/M. Uhen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 189578: authorized by Wolfgang Kiessling, entered by Mihaela Krause on 02.11.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

 Esthonioporata - Revalotrypidae
Revalotrypa yugaensis Fedorov et al. 2017
Revalotrypa inopinata Fedorov et al. 2017