Ukibuta, Yazawagi-mura: Serravallian, Japan
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Rhynchonellata
- Terebratulida
- Cancellothyrididae
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Terebratulina tohokuensis n. sp.
Nomura and Hatai 1936
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| see common names | |||||||
Geography
| Country: | Japan |
| Coordinates: | 39.3° North, 140.4° East (view map) |
| Paleocoordinates: | 39.1° North, 137.9° East (Wright 2013) |
| Basis of coordinate: | based on nearby landmark |
| Geographic resolution: | outcrop |
Time
| Period: | Neogene | Epoch: | Miocene |
| Stage: | Serravallian | 10 m.y. bin: | Cenozoic 5 |
| Key time interval: | Serravallian | ||
| Age range of interval: | 13.82 - 11.63 m.y. ago |
Stratigraphy
| Formation: | Sugota | ||||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: From the middle or possibly lower part of the Sugota beds. Sugota Formation contains diatoms of zones NPD 5A and 5B, indicating Serravallian age. | |||||
Lithology and environment
| Primary lithology: | coarse unlithified muddy sandstone |
| Lithology description: Muddy sandstone, rather loose in texture and coarse grained in part. | |
| Environment: | transition zone/lower shoreface |
| Geology comments: "Probably in the range of 30-50 fathoms | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis |
| Collection method comments: Repository: Saito Ho-on Museum | |
Metadata
| Database number: | 190742 | ||
| Authorizer: | M. Clapham | Enterer: | M. Clapham | Research group: | marine invertebrate |
| Created: | 2017-12-16 00:23:35 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2017-12-16 00:23:35 |
| Creative Commons license: | CC0 |
Reference information
Primary reference:
| 64049. | K. M. Hatai. 1940. The Cenozoic Brachiopoda of Japan. Science Reports, Tohoku Imperial University, Series 2 20:1-413 [M. Clapham/M. Clapham] |