Akasaka Limestone, Neoschwagerina Zone: Wordian, Japan
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Artiopoda
- Proetida
- Phillipsiidae
|
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| (2 measurements) | ||||||||||
| (3 measurements) | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Japan |
| Coordinates: | 35.4° North, 136.6° East (view map) |
| Paleocoordinates: | 5.5° North, 132.4° East (Wright 2013) |
| Basis of coordinate: | estimated from map |
| Geographic resolution: | outcrop |
Time
| Period: | Permian | Epoch: | Guadalupian |
| Stage: | Wordian | 10 m.y. bin: | Permian 3 |
| Key time interval: | Wordian | ||
| Age range of interval: | 266.9 - 264.28 m.y. ago |
Stratigraphy
| Formation: | Akasaka | ||||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: Neoschwagerina craticulifera and N. margaritae | |||||
Lithology and environment
| Primary lithology: | lithified "limestone" |
| Environment: | deep subtidal indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | taxonomic analysis |
Metadata
| Database number: | 81381 | ||
| Authorizer: | M. Clapham | Enterer: | M. Clapham | Research group: | marine invertebrate |
| Created: | 2008-06-21 11:14:58 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2008-06-21 11:14:58 |
| Creative Commons license: | CC0 |
Reference information
Primary reference:
| 27406. | T. Kobayashi and T. Hamada. 1984. The Middle and Upper Permian trilobites from the Akasaka Limestone in Gifu Prefecture, west Japan. Proceedings of the Japan Academy, Series B 60:1-4 [M. Clapham/M. Clapham] |