Aldzhirkhai Creek Exp. 170 (Ulakhan-Krest Formation 7 (4,5 m)): Anisian, Russian Federation
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Cephalopoda
- Nautilida
- Tainoceratidae
|
|||||||
|
Arctonautilus egorovi
Sobolev 1989
|
|||||||
|
Cephalopoda
- Pseudorthocerida
- Trematoceratidae
|
|||||||
|
Trematoceras sp.
Eichwald 1851
|
|||||||
|
Cephalopoda
- Phylloceratida
- Ussuritidae
|
|||||||
|
Ussurites cameroni
McLearn 1946
|
|||||||
|
Cephalopoda
- Ceratitida
- Longobarditidae
|
|||||||
|
Intornites nevadanus
(Hyatt and Smith 1905)
|
|||||||
|
Cephalopoda
- Ceratitida
- Ceratitidae
|
|||||||
|
Arctogymnites sonini
Popov 1961
|
|||||||
|
Gymnotoceras rotelliforme
Meek 1877
|
|||||||
| corrected as Gymnotoceras rotelliformis | |||||||
|
Gymnotoceras inflatum
Konstantinov 1991
|
|||||||
|
Cephalopoda
- Ceratitida
- Parapopanoceratidae
|
|||||||
|
Parapopanoceras asseretoi
Dagys and Ermakova 1981
|
|||||||
| see common names | |||||||
Geography
| Country: | Russian Federation |
| Coordinates: | 71.7° North, 127.8° East (view map) |
| Paleocoordinates: | 65.8° North, 13.3° East |
| Basis of coordinate: | estimated from map |
| Geographic resolution: | outcrop |
Time
| Period: | Triassic | Epoch: | Middle Triassic |
| Stage: | Anisian | 10 m.y. bin: | Triassic 2 |
| Key time interval: | Anisian | Foram zone: | Pseudononosaria obconica |
| Age range of interval: | 247.20000 - 242.00000 m.y. ago |
Stratigraphy
| Formation: | Ulakhan-Krest | ||
| Local section: | 7 | Local bed: | 4,5 m |
| Local order: | bottom to top | ||
| Stratigraphic resolution: | bed |
Lithology and environment
| Primary lithology: | coarse,gray,green lithified siltstone |
| Secondary lithology: | gray lithified mudstone |
| Lithology description: Alternating greenish-gray coarse-grained siltstones and dark-gray mudstones. | |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | observed (not collected) |
| Reason for describing collection: | biostratigraphic analysis |
Metadata
| Database number: | 124576 | ||
| Authorizer: | M. Aberhan | Enterer: | D. Wellmanns |
| Modifier: | P. Wagner | Research group: | marine invertebrate |
| Created: | 2012-02-19 00:18:37 | Last modified: | 2023-11-30 12:56:02 |
| Access level: | the public | Released: | 2012-02-19 00:18:37 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 39845. | A. G. Konstantinov, E. S. Sobolev, and A. V. Yadrenkin. 2007. Detailed biostratigraphy of Triassic deposits in the Lena lower reaches(northern Yakutia). Russian Geology and Geophysics 48:721-736 [M. Aberhan/D. Wellmanns] |