Irganay, Dagestan (basal Tsudakhar Fm, subfurcatum zone): Subfurcatum, Russian Federation
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Cephalopoda
- Ammonitida
- Spiroceratidae
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Spiroceras althoffi
(Potonie 1929)
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1 specimen | ||||||
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Cephalopoda
- Ammonitida
- Perisphinctidae
|
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Praebigotites (Praebigotites) cf. festonensis
(Pavia 1973)
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1 specimen | ||||||
| original and current combination Leptosphinctes (Leptosphinctes) festonensis | |||||||
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Cephalopoda
- Ammonitida
- Parkinsoniidae
|
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Caumontisphinctes (Infraparkinsonia) inferior
(Bentz 1925)
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2 specimens | ||||||
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Caumontisphinctes (Infraparkinsonia) debilis
(Wetzel 1937)
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1 specimen | ||||||
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Caumontisphinctes (Caumontisphinctes) diniensis
(Pavia 1971)
|
4 specimens | ||||||
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Caumontisphinctes (Caumontisphinctes) rota
(Bentz 1925)
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1 specimen | ||||||
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Caumontisphinctes (Caumontisphinctes) bifurcus
(Buckman 1920)
|
1 specimen | ||||||
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Strenoceras subfurcatum
(Zieten 1830)
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1 specimen | ||||||
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Cephalopoda
- Ammonitida
- Stephanoceratidae
|
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Pseudogarantiana nodosa
(Bentz 1928)
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2 specimens | ||||||
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Pseudogarantiana daghestanica n. sp.
Besnosov 1993
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Garantiana asarjani n. sp.
Besnosov 1990
|
6 specimens | ||||||
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Orthogarantiana (Torrensia) sp.
(Sturani 1971)
|
1 specimen | ||||||
| see common names | |||||||
Geography
| Country: | Russian Federation |
| Coordinates: | 42.6° North, 46.9° East (view map) |
| Paleocoordinates: | 38.1° North, 52.7° East |
| Basis of coordinate: | based on nearby landmark |
| Geographic resolution: | outcrop |
Time
| Period: | Jurassic | Epoch: | Middle Jurassic |
| Stage: | Bajocian | 10 m.y. bin: | Jurassic 4 |
| Key time interval: | Subfurcatum | ||
| Age range of interval: | 170.90000 - 168.20000 m.y. ago |
Stratigraphy
| Formation: | Tsudakhar | ||||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: Base of Tsudakhar Formation | |||||
Lithology and environment
| Primary lithology: | lithified not reported |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection excludes: | some macrofossils |
| Reason for describing collection: | taxonomic analysis |
| Collection method comments: Repository: Vserossiyskiy Nauchno-Issledovatel'skiy Geologicheskiy Neftyanoy Institut (VNIGRI) | |
Metadata
| Database number: | 187900 | ||
| Authorizer: | M. Clapham | Enterer: | M. Clapham | Research group: | marine invertebrate |
| Created: | 2017-08-15 22:07:40 | Last modified: | 2017-08-15 22:07:40 |
| Access level: | the public | Released: | 2017-08-15 22:07:40 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 62781. | N. V. Besnosov and V. V. Mitta. 1993. Pozdnebayosskie i Batskie Ammonitidy Severnogo Kavkaza i Sredney Azii 1-347 [M. Clapham/M. Clapham] |