Column 16. Arga-Sala River: Ayusokkanian, Russian Federation
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Trilobita
- Ptychopariida
- Lonchocephalidae
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Kuraspis obscura
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Trilobita
- Ptychopariida
- Alokistocaridae
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Pedinocephalina incerta
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Trilobita
- Ptychopariida
- Plethopeltidae
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Koldinia propria
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Plethopeltoides lepidus
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Trilobita
- Lichida
- Lichakephalidae
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Acidaspides borealis
Tchernysheva 1960
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| recombined as Brutonia borealis | |||||||
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Trilobita
- Olenida
- Dokimokephalidae
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Tchuostachia grandis
Khramova 1973
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Trilobita
- Corynexochida
- Illaenuridae
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Olenekella alimbata
Kharmova and Pegel 1985
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| see common names | |||||||
Geography
| Country: | Russian Federation | State/province: | Yakut |
| Coordinates: | 68.5° North, 112.1° East (view map) | ||
| Paleocoordinates: | 13.3° South, 3.5° West | ||
| Basis of coordinate: | based on nearby landmark |
Time
| Period: | Cambrian | Epoch: | Miaolingian |
| Stage: | Guzhangian | 10 m.y. bin: | Cambrian 4 |
| Key time interval: | Ayusokkanian | Trilobite zone: | Agnostus pisiformis - Asaphellus fecundus |
| Age range of interval: | 499.50000 - 497.00000 m.y. ago |
Stratigraphy
| Formation: | Chukukska | ||||
| Stratigraphic resolution: | member | ||||
| Stratigraphy comments: Lower 100 meters of the formation | |||||
Lithology and environment
| Primary lithology: | ooidal,green,red silty "limestone" |
| Secondary lithology: | calcareous sandstone |
| Lithology description: The section is located in the type locality of the formation in the area between the mouths of the Surakh and Tireetekh rivers. It conformably overlies the green-colored formation and facies replaces its upper part. Algal limestones, calcareous sandstones, clastic and oolitic limestones, clayey greenish-gray and red-colored limestones. Thickness about 150 m | |
| Environment: | carbonate indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis |
Metadata
| Also known as: | Река Арга-Сала | ||
| Database number: | 232897 | ||
| Authorizer: | P. Wagner | Enterer: | P. Wagner | Research group: | marine invertebrate |
| Created: | 2024-01-06 23:41:13 | Last modified: | 2024-01-06 23:41:13 |
| Access level: | the public | Released: | 2024-01-06 23:41:13 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 87092. | L. N. Repina and A. Y.u. Rozanov. 1992. Кембрии Сибири [Cambrian Siberia]. Российская Академия Наук Сибирское Отделение. Труды Института Геологии И Геофизики [The Russian Academy of Sciences Siberian Division. Proceedings of the Institute of Geology and Geophysics] 788:1-133 [P. Wagner/P. Wagner] |