Du 7a, Dubky locality on the Kuibyshev Reservoir, Volga River: Late/Upper Kimmeridgian, Russian Federation
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Cephalopoda
- Ammonitida
- Aulacostephanidae
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Aulacostephanus volgensis
(Vischniakoff 1875)
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Aulacostephanus autissiodorensis
(Cotteau 1868)
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Aulacostephanus undorae
(Pavlov 1886)
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Aulacostephanus kirghisensis
(d'Orbigny 1845)
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Cephalopoda
- Ammonitida
- Ataxioceratidae
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Virgataxioceras sp.
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Cephalopoda
- Ammonitida
- Aspidoceratidae
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Sutneria sp.
Zittel 1884
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Cephalopoda
- Goniatitida
- Prionoceratidae
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Amoeboceras sp.
Hyatt 1900
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Amoeboceras (Nannocardioceras) volgae
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Amoeboceras (Nannocardioceras) subtilicostatum
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see common names |
Geography
Country: | Russian Federation |
Coordinates: | 54.6° North, 48.4° East (view map) |
Paleocoordinates: | 49.3° North, 50.0° East |
Basis of coordinate: | based on nearby landmark |
Geographic resolution: | outcrop |
Time
Period: | Jurassic | Epoch: | Late/Upper Jurassic |
Stage: | Kimmeridgian | 10 m.y. bin: | Jurassic 5 |
Key time interval: | Late/Upper Kimmeridgian | ||
Age range of interval: | 152.20000 - 149.20000 m.y. ago |
Stratigraphy
Local section: | Dubky | Local bed: | Du 7a | ||
Stratigraphic resolution: | bed | ||||
Stratigraphy comments: Du 7a - 4.50 m; Autissiodorensis Zone |
Lithology and environment
Primary lithology: | lithified "mixed carbonate-siliciclastic" |
Lithology description: The stage crops out on the waterside of the Kuibyshev Reservoir (Volga River, 25 km north of the town of Ulyanovsk), between Dubky and Mimei localities. It is a thick alternance (54 m and visual gap) of marls and argillaceous limestones, containing only one black shale horizon. | |
Environment: | marine indet. |
Taphonomy
Size of fossils: | macrofossils |
Collection methods and comments
Collection methods: | field collection |
Reason for describing collection: | biostratigraphic analysis |
Metadata
Database number: | 58853 | ||
Authorizer: | M. Aberhan | Enterer: | S. Nurnberg |
Modifier: | S. Nurnberg | Research group: | marine invertebrate |
Created: | 2006-02-25 14:17:29 | Last modified: | 2006-03-21 03:20:29 |
Access level: | the public | Released: | 2006-02-25 14:17:29 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
16687. | P. Hantzpergue, F. Baudin, V. Mitta, A. Olferiev, and V. A. Zakharov. 1998. The Upper Jurassic of the Volga basin: ammonites biostratigraphy and correlations with standard European zonations. C. R. Acad. Sci. Paris, Sciences de la terre et des planetes 326:633-640 [M. Aberhan/S. Nurnberg] |