Imaigda River, Taymyr Peninsula: Lochkovian, Russian Federation

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Borchgrevinkium taimyrensis n. gen., n. sp. Novojilov 1959
1 specimen
Chasmataspidida - Diploaspididae
Marshall et al. 2014 1 specimen
Heteroaspis stoermeri (Novojilov 1959)
Marshall et al. 2014 1 specimen
Eurypterida - Pterygotidae
Pterygotus sp. Agassiz 1839
1 specimen
Eurypterida - Stylonuridae
1 specimen
Eurypterida - Mycteropidae
1 specimen
Xiphosura
1 specimen
see common names

Geography
Country:Russian Federation State/province:Siberia
Coordinates: 76.0° North, 104.0° East (view map)
Paleocoordinates:35.8° North, 37.8° West (Wright 2013)
Basis of coordinate:based on political unit
Geographic resolution:local area
Time
Period: Devonian Epoch: Early Devonian
Stage: Lochkovian 10 m.y. bin: Devonian 1
Key time interval: Lochkovian
Age range of interval: 419.2 - 410.8 m.y. ago
Stratigraphy
Formation:Zub
Stratigraphic resolution:formation
Stratigraphy comments: Krylova et al. (1967) note that this is the Zubova "suite." Upper third of the Zub
Horizon
Lithology and environment
Primary lithology:dolomitic,gypsiferous,gray lithified marl
Includes fossils?Y
Lithology description: "
Environment:paralic indet.
Geology comments: "Examination of the core samples showed thin, even laminations, indicative of a
potentially dysaerobic environment below the fair weather wave base."
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Associated major elements:some
Disassociated major elements:some
Temporal resolution:snapshot
Collection methods and comments
Collection methods:survey of museum collection
Collection size:4 individuals
Reason for describing collection:taxonomic analysis
Metadata
Also known as:Merostomata, Lower Devonian, Imaigda river
Database number:60391
Authorizer:L. Villier Enterer:L. Villier
Modifier:R. Plotnick Research group:marine invertebrate
Created:2006-05-12 06:29:24 Last modified:2025-02-22 15:12:02
Access level:the public Released:2006-05-12 06:29:24
Creative Commons license:CC0
Reference information

Primary reference:
17373.1% 20140N.I. Novojilov. 1958. Mérostomates du dévonien inférieur et moyen de Sibérie. Annales de la Société Géologique du Nord 78:243-257 [L. Villier/L. Villier]

Secondary references:

83194 A. K. Krylova, N. S. Malitch, V. V. Menner, D. V. Obrutchev, and G. S. Fradkin. 1967. Devonian of the Siberian platform. In D. H. Oswald (ed.), International Symposium on the Devonian System, Calgary. Vol. I 1:473-482 [P. Wagner/P. Wagner]
85718 D. J. Marshall, J. C. Lamsdell, E. Shpinev and S.J. Braddy. 2014. A diverse chasmataspidid (Arthropoda: Chelicerata) fauna from the Early Devonian (Lochkovian) of Siberia. Palaeontology 57(3):631-655 [R. Plotnick/R. Plotnick]
60391 R. G. Martins-Neto. 2002. The Santana Formation paleoentomofauna reviewed. Part 1 - Neuropteroida (Neuroptera and Raphidioptera): systematic and phylogeny, with description of new taxa. Acta Geologica Lepolodensia 25(55):35-66 [M. Clapham/M. Clapham/M. Clapham]