Lynna River section L25J: Volkhov, Russian Federation

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Acrotretoid indet.
Hansen and Harper 2003
Strophomenata - Strophomenida - Sowerbyellidae
Ujukella fastigata (Rubel 1961)
Hansen and Harper 2003
Strophomenata - Billingsellida - Polytoechiidae
Raunites venusta (Opik 1934)
Hansen and Harper 2003
Raunites janischewskyi (Lessnikow 1924)
Hansen and Harper 2003
Antigonambonites planus (Pander 1830)
Hansen and Harper 2003
Gonambonites plana
Strophomenata - Billingsellida - Clitambonitidae
Apomatella ingrica (Pahlen 1877)
Hansen and Harper 2003
Orthisina ingrica
Rhynchonellata - Orthida - Orthidae
Paralenorthis orbicularis (Pander 1830)
Hansen and Harper 2003
Rhynchonellata - Orthida - Ranorthidae
Ranorthis spp.
Hansen and Harper 2003
Rhynchonellata - Orthida - Paurorthidae
Paurorthis spp.
Hansen and Harper 2003
Rhynchonellata - Pentamerida - Porambonitidae
Porambonites planus Pander 1830
Hansen and Harper 2003
Craniata - Craniida - Craniidae
Pseudocrania petropolitana
Hansen and Harper 2003
Lingulata - Lingulida
Linguloidea indet. Menke 1828
Hansen and Harper 2003
Trilobita - Lichida - Lichidae
Metopolichas sp. (Gürich 1901)
original and current combination Lichas (Metopolichas)
Trilobita - Asaphida - Nileidae
Nileus sp. Dalman 1827
Trilobita - Asaphida - Asaphidae
Asaphus lepidurus Nieszkowski 1859
recombined as Asaphus (Asaphus) lepidurus
subgenus Asaphus
Megistaspis acuticauda (Angelin 1854)
subgenus Megistaspidella
Trilobita - Corynexochida - Illaenidae
Dysplanus acutigenia
Trilobita - Phacopida - Cheiruridae
Bornholmaspis sp. Pribyl and Vanek 1983
Krattaspis paraspinosis Hansen 2010
Hansen 2010
? Laneites ingrica (Schmidt 1881)
Cyrtometopus sp. Angelin 1854
Trilobita - Phacopida - Pterygometopidae
Pterygometopus sclerops (Dalman 1827)
see common names

Geography
Country:Russian Federation
Coordinates: 60.0° North, 32.6° East (view map)
Paleocoordinates:37.7° South, 1.2° East
Basis of coordinate:estimated from map
Geographic resolution:outcrop
Time
Period:Ordovician Epoch:Middle Ordovician
Stage:early Middle Ordovician 10 m.y. bin:Ordovician 2
Key time interval:Volkhov Trilobite zone: Megistaspis limbata
Age range of interval:471.80000 - 468.10000 m.y. ago
Stratigraphy
Formation:Volkhov Member:Frizy
Local section:Lynna River Local bed:1.45 m
Local order:bottom to top
Stratigraphic resolution:bed
Stratigraphy comments: Meterage is negative because 0 meterage in section is at boundary between Jeltiaki member and overlying Frizy member which rests above this sample.
Lithology and environment
Primary lithology: lithified "limestone"
Includes fossils?Y
Lithology description: Limestone beds are tempestites
Environment:open shallow subtidal
Taphonomy
Modes of preservation:body
Size of fossils:mesofossils
Collection methods and comments
Reason for describing collection:biostratigraphic analysis
Metadata
Database number:157120
Authorizer:M. Hopkins, B. Kröger, P. Wagner Enterer:M. Hopkins, P. Wagner, B. Kröger
Modifier:M. Hopkins Research group:marine invertebrate
Created:2014-06-06 10:31:16 Last modified:2014-06-06 12:45:10
Access level:the public Released:2014-06-06 10:31:16
Creative Commons license:CC BY
Reference information

Primary reference:

51497. T. Hansen and A. T. Nielsen. 2003. Upper Arenig trilobite biostratigraphy and sea-level changes at Lynna River near Volkhov, Russia. Bulletin of the Geological Society of Denmark 50:105-114 [M. Hopkins/M. Hopkins]

Secondary references:

65511 J. Hansen and D. A. T. Harper. 2003. Brachiopod macrofaunal distribution through the upper Volkhov - lower Kunda (Low Ordovician) rocks, Lynna River, St. Petersburg region. Bulletin of the Geological Society of Denmark 50:45-53 [B. Kröger/B. Kröger]
65408 T. Hansen. 2010. Cyrtometopinid trilobites from the upper Volkhov and lower Lynna Formation (Lower Darriwilian) of NW Russia. Bulletin of the Geological Society of Denmark 58:1-13 [P. Wagner/P. Wagner]