Grønfjorden: Gzhelian, Svalbard and Jan Mayen
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Stenolaemata
- Cryptostomata
- Fenestellidae
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Alternifenestella bifida
(Eichwald 1860)
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| see common names | |||||||
Geography
| Country: | Svalbard and Jan Mayen |
| Coordinates: | 78.0° North, 14.0° East (view map) |
| Paleocoordinates: | 29.8° North, 10.7° East |
| Basis of coordinate: | estimated from map |
| Geographic resolution: | small collection |
Time
| Period: | Carboniferous | Epoch: | Pennsylvanian |
| Stage: | Gzhelian | 10 m.y. bin: | Carboniferous 5 |
| Key time interval: | Gzhelian | ||
| Age range of interval: | 303.70000 - 298.90000 m.y. ago |
Stratigraphy
| Formation: | Nordenskioldbreen | Member: | Tyrrellfjellet | ||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: Late Gzhelian | |||||
Lithology and environment
| Primary lithology: | lithified "limestone" |
| Environment: | carbonate indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | peel or thin section,field collection |
| Reason for describing collection: | taxonomic analysis |
Metadata
| Database number: | 115531 | ||
| Authorizer: | M. Clapham | Enterer: | M. Clapham |
| Modifier: | M. Clapham | Research group: | marine invertebrate |
| Created: | 2011-09-02 06:56:13 | Last modified: | 2013-11-25 13:02:06 |
| Access level: | the public | Released: | 2011-09-02 06:56:13 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 33629. | H. A. Nakrem. 1994. Middle Carboniferous to Early Permian bryozoans from Spitsbergen. Acta Palaeontologica Polonica 39:45-116 [M. Clapham/M. Clapham] |