AR7, upper Takinosawa valley, Mount Nabekoshiyama: Changhsingian, Japan
collected by H. Araki, H. Koizumi
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Rhynchonellata
- Spiriferida
- Ambocoeliidae
|
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| (1 measurement) | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Japan |
| Coordinates: | 38.9° North, 141.6° East (view map) |
| Paleocoordinates: | 2.7° North, 136.1° East (Wright 2013) |
| Basis of coordinate: | estimated from map |
| Geographic resolution: | outcrop |
Time
| Period: | Permian | Epoch: | Lopingian |
| Stage: | Changhsingian | 10 m.y. bin: | Permian 4 |
| Key time interval: | Changhsingian | ||
| Age range of interval: | 254.14 - 251.902 m.y. ago |
Stratigraphy
| Formation: | Nabekoshiyama | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: 438 m above the base of the Nabekoshiyama Formation | |||||
Lithology and environment
| Primary lithology: | black,gray lithified "shale" |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | mold/impression |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | taxonomic analysis |
| Collectors: | H. Araki, H. Koizumi |
| Collection method comments: Repository: Kesennuma Board of Education, Kesennuma City, Miyagi Prefecture | |
Metadata
| Database number: | 157796 | ||
| Authorizer: | M. Clapham | Enterer: | M. Clapham | Research group: | marine invertebrate |
| Created: | 2014-07-04 10:33:11 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2014-07-04 10:33:11 |
| Creative Commons license: | CC0 |
Reference information
Primary reference:
| 51893. | J. I. Tazawa and H. Araki. 2014. Additional brachiopod species from the upper Permian (Changhsingian) of Nabekoshiyama in the Kesennuma area, South Kitakami Belt, northeast Japan. Science Reports, Niigata University (Geology) 29:43-52 [M. Clapham/M. Clapham] |