Ustupnyi Creek, bed 36: Wuchiapingian, Russian Federation
collected 2017
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Bivalvia
- Myalinida
- Atomodesmatidae
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Atomodesma variabile
(Wanner 1922)
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| see common names | |||||||
Geography
| Country: | Russian Federation |
| Coordinates: | 63.1° North, 139.2° East (view map) |
| Paleocoordinates: | 73.0° North, 37.9° East |
| Basis of coordinate: | estimated from map |
| Geographic resolution: | outcrop |
Time
| Period: | Permian | Epoch: | Lopingian |
| Stage: | Wuchiapingian | 10 m.y. bin: | Permian 4 |
| Key time interval: | Wuchiapingian | Other zone: | Intomodesma evenicum |
| Age range of interval: | 259.51000 - 254.14000 m.y. ago |
Stratigraphy
| Formation: | Imtachan | ||||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: Lower part of the Middle Subformation of the Imtachan Formation. Upper part of the Wuchiapingian Stage, lower part of the Intomodesma evenicum Bivalve Subzone. | |||||
Lithology and environment
| Primary lithology: | lithified sandy siltstone |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | mold/impression |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis | Collection dates: | 2017 |
| Collection method comments: Repository: North-East Interdisciplinary Scientific Research Institute n.a. N.A. Shilo of FEB RAS (Magadan, Russia) | |
Metadata
| Database number: | 214598 | ||
| Authorizer: | M. Clapham | Enterer: | M. Clapham | Research group: | marine invertebrate |
| Created: | 2020-10-10 21:29:00 | Last modified: | 2020-10-10 21:29:00 |
| Access level: | the public | Released: | 2020-10-10 21:29:00 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 74064. | A. S. Biakov and R. V. Kutygin. 2020. New find of Inoceramus-like bivalves of the genus Atomodesma in the southern Verkhoyansk region, and invasions of extra-boreal mollusks into northeastern Asia during the Permian. Paleontological Journal 54:459-463 [M. Clapham/M. Clapham/M. Clapham] |