Viliga river below Yaschan creek, bed 3: Opalinum, Russian Federation
collected by E.V. Koschelkina 1978
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Cephalopoda
- Ammonitida
- Hildoceratidae
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Pseudolioceras sp.
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Bivalvia
- Trigoniida
- Trigoniidae
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Trigonia alta
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Trigonia aff. hemisphaerica
Lycett 1877
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Bivalvia
- Pectinida
- Propeamussiidae
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Propeamussium olenekense
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| original and current combination Pecten (Propeamussium) | |||||||
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Bivalvia
- Pectinida
- Oxytomidae
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Arctotis cf. marchaensis
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| see common names | |||||||
Geography
| Country: | Russian Federation |
| Coordinates: | 61.9° North, 156.1° East (view map) |
| Paleocoordinates: | 73.7° North, 169.9° West |
| Basis of coordinate: | based on nearby landmark |
| Geographic resolution: | outcrop |
Time
| Period: | Jurassic | Epoch: | Middle Jurassic |
| Stage: | Aalenian | 10 m.y. bin: | Jurassic 3 |
| Key time interval: | Opalinum | Ammonoid zone: | Pseudolioceras mclintocki |
| Age range of interval: | 174.70000 - 170.90000 m.y. ago |
Stratigraphy
| Stratigraphic resolution: | group of beds |
Lithology and environment
| Primary lithology: | lithified "siliciclastic" |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body,mold/impression |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | field collection | ||
| Reason for describing collection: | taxonomic analysis | ||
| Collectors: | E.V. Koschelkina | Collection dates: | 1978 |
| Collection method comments: Repository: Museum of the Northeast Interdisciplinary Scientific Research Institute of the Far East Branch of the Russian Academy of Sciences, Magadan (SVKNII) | |||
Metadata
| Database number: | 137341 | ||
| Authorizer: | M. Clapham | Enterer: | M. Clapham |
| Modifier: | M. Clapham | Research group: | marine invertebrate |
| Created: | 2012-12-14 15:41:20 | Last modified: | 2014-07-27 18:49:07 |
| Access level: | the public | Released: | 2012-12-14 15:41:20 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 43944. | E. V. Koschelkina. 1985. Nekotorye dvustvorchatye mollyuski iz Aalenskikh otlozheniy basseyna R. Viligi. Dvustvorchatye i Golovonogie Mollyuski Mezozoya Severo-Vostoka SSSR 57-74 [M. Clapham/M. Clapham/M. Clapham] |