KY2, Yamasuge, Kuzu area: Kungurian, Japan
collected by Y. Okumura, M. Shimizu
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Schwagerinidae
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Parafusulina yabei
Hanzawa 1942
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Rhynchonellata
- Athyridida
- Athyrididae
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Cleiothyridina sp.
Buckman 1906
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| (1 measurement) | ||||||||||
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Rhynchonellata
- Orthida
- Schizophoriidae
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| see common names | ||||||||||
Geography
| Country: | Japan |
| Coordinates: | 36.4° North, 139.6° East (view map) |
| Paleocoordinates: | 12.3° North, 135.8° East (Wright 2013) |
| Basis of coordinate: | stated in text |
| Geographic resolution: | outcrop |
Time
| Period: | Permian | Epoch: | Cisuralian |
| Stage: | Kungurian | 10 m.y. bin: | Permian 2 |
| Key time interval: | Kungurian | Foram zone: | Parafusulina yabei |
| Age range of interval: | 283.3 - 274.4 m.y. ago |
Stratigraphy
| Formation: | Nabeyama | ||||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: Lower Nabeyama Formation (about 10 m above the top of the Izuru Formation), with Parafusulina yabei Hanzawa, 1942
"the age of the Yamasuge fauna is Artinskian to Kungurian, most probably Kungurian" (Tazawa et al. 2012) | |||||
Lithology and environment
| Primary lithology: | black lithified "limestone" |
| Environment: | carbonate indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis |
| Collectors: | Y. Okumura, M. Shimizu |
| Collection method comments: Repository: Kuzu Fossil Museum in Kuzu, Sano City, Tochigi Prefecture. | |
Metadata
| Database number: | 149804 | ||
| Authorizer: | M. Clapham | Enterer: | M. Clapham |
| Modifier: | B. Allen | Research group: | marine invertebrate |
| Created: | 2013-08-26 09:41:45 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2013-08-26 09:41:45 |
| Creative Commons license: | CC0 |
Reference information
Primary reference:
| 47983. | J. I. Tazawa, Y. Okumura, and M. Shimizu. 2012. Permian brachiopods from Yamasuge in the Kuzu area, Ashio Mountains, central Japan, part 2. Science Reports, Niigata University (Geology) 27:51-71 [M. Clapham/M. Clapham/M. Clapham] |