Unosaki: Serravallian, Japan
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Osteichthyes
- Cetacea
- Balaenidae
|
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| 1 specimen | |||||||
| see common names | |||||||
Geography
| Country: | Japan | State/province: | Akita Prefecture | County: | Oga |
| Coordinates: | 39.9° North, 139.8° East (view map) | ||||
| Paleocoordinates: | 39.6° North, 137.3° East (Wright 2013) | ||||
| Basis of coordinate: | estimated from map |
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
Lithology and environment
| Primary lithology: | not reported |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | general faunal/floral analysis |
Metadata
| Database number: | 275720 | ||
| Authorizer: | M. Uhen | Enterer: | M. Uhen | Research group: | vertebrate |
| Created: | 2025-11-10 14:50:40 | Last modified: | 2025-11-10 14:50:40 |
| Access level: | the public | Released: | 0000-00-00 00:00:00 |
| Creative Commons license: |
Reference information
Primary reference:
| 93352. | K. Nasagawa, A. Watanabe, H. Sawaki, H. Watanabi, and T. Kawabe. 2024. Fossil mandibles of baleen whales in huge concretions of the Middle Miocene, Oga Peninsula, Akita Prefecture, Northeast Japan. Journal of Fossil Research 57(1/2):15-25 [M. Uhen/M. Uhen] |