Popovka River, O. evae zone, Billingen Stage, St. Petersburg (Ordovician of Russian Federation)

Where: Russian Federation (59.8° N, 30.4° E)

• Paleocoordinates: 29.3° S, 62.2° W (Wright 2013)

• coordinate estimated from map

• small collection-level geographic resolution

When: Oepikodus evae conodont zone, Vassilkovo Member (Leetse Formation), Billingen (474.8 - 471.1 Ma)

• Billingen Stage; lower part of Vassilkovo Member; Oepicodus evae conodont zone

•JA: originally entered as Arenigian, but the evae zone is Floian (see Männik and Viira 2012)

• bed-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified claystone and lithified limestone

• a purple and light green thin clay intercalation within argillaceous glauconitic limestones

Size class: macrofossils

Primary reference: E. Egerquist. 2003. New brachiopods from the Lower-Middle Ordovician (Billingen-Volkhov stages) of the East Baltic. Acta Palaeontologica Polonica 48(1):31-38 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 62345: authorized by Wolfgang Kiessling, entered by Uta Merkel on 19.07.2006, edited by Björn Kröger

Creative Commons license: CC0 (CC0)

Taxonomic list

Rhynchonellata
 Pentamerida - Camerellidae
Idiostrophia prima Popov et al. 2005
 Orthida - Paurorthidae
Paurorthis resima Rubel 1961
 Orthida - Orthidae
 Orthida - Productorthidae
Panderina tetragona Pander 1830
 Orthida - Ranorthidae
Ranorthis sp. Öpik 1939
Strophomenata
 Strophomenida - Plectambonitidae
 Billingsellida - Clitambonitidae
Neumania erecta Pander 1830