Lava River, near Vassilkovo, Vassilkovo Member, Leetse Fm. (Ordovician of Russian Federation)

Where: Russian Federation (59.9° N, 31.6° E: paleocoordinates 39.9° S, 0.7° W)

• coordinate estimated from map

When: Vassilkovo Member (Leetse Formation), Billingen (474.8 - 471.1 Ma)

• "Vassilkovo Member between

•1.80 and 1.95 m above the ‘Dictyonema’ Shale of the Koporye

•Formation.", in Popov et al. (2005)

Environment/lithology: marine; glauconitic limestone

Size classes: macrofossils, mesofossils

Primary reference: L. E. Popov, E. V. A. Egerquist, and M. A. Zuykov. 2005. Ordovician (Arenig-Caradoc) syntrophiidine brachiopods from the east Baltic region. Palaeontology 48(4):739-761 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 169217: authorized by Björn Kröger, entered by Björn Kröger on 11.05.2015

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Strophomenata
 Billingsellida - Polytoechiidae
 Strophomenida - Plectambonitidae
Rhynchonellata
 Pentamerida - Porambonitidae
 Pentamerida - Tetralobulidae
Tetralobula peregrina Popov et al. 2005
 Orthida - Productorthidae
Panderina tetragona Pander 1830
Panderina abscissa Pander 1830
Stenolaemata
 Esthonioporata - Revalotrypidae
 Esthonioporata - Esthonioporidae
Esthoniopora lessnikowae Modzalevskaya 1953
 Trepostomata - Halloporidae
Dianulites helenae Modzalevskaya 1953
 Trepostomata - Phragmoporidae
Phragmopora lavaense Pushkin 1999
 Trepostomata - Dittoporidae
Hemiphragma priscum Pushkin 1999
Trilobita
 Asaphida - Asaphidae
"Megalaspides aff. norvegica" = Megistaspis (Paramegistaspis) norvegica Tjernvik 1956 trilobite
Proasaphus primus Balashova 1966 trilobite
Proasaphus primus Balashova 1966 trilobite
"Niobella aff. imparilimbata" = Niobe (Niobella) imparilimbata Bohlin 1955 trilobite
 Trinucleida - Raphiophoridae
 Corynexochida - Panderiidae
Ottenbyaspis sp. Bruton 1968 trilobite
 Phacopida - Cheiruridae
 Phacopida - Pliomeridae