Izumeda: Langhian, Japan
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Osteichthyes
- Cetacea
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Sinanodelphis izumidaensis n. gen., n. sp.
Makiyama 1936
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1 specimen | ||||||
| see common names | |||||||
Geography
| Country: | Japan | State/province: | Ueda |
| Coordinates: | 39.6° North, 140.1° East (view map) | ||
| Paleocoordinates: | 39.4° North, 137.4° East (Wright 2013) | ||
| Basis of coordinate: | estimated from map |
Time
| Period: | Neogene | Epoch: | Miocene |
| Stage: | Langhian | 10 m.y. bin: | Cenozoic 5 |
| Key time interval: | Langhian | ||
| Age range of interval: | 15.98 - 13.82 m.y. ago |
Stratigraphy
| Formation: | Bessho |
Lithology and environment
| Primary lithology: | "shale" |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis |
Metadata
| Also known as: | Aoki, Koizumi | ||
| Database number: | 52068 | ||
| Authorizer: | M. Uhen | Enterer: | M. Uhen |
| Modifier: | M. Uhen | Research group: | vertebrate |
| Created: | 2005-07-18 12:53:21 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2005-07-18 12:53:21 |
| Creative Commons license: | CC0 | ||
Reference information
Primary reference:
| 12317. | J. Makiyama. 1936. Sinanodelphis izumidaenis, a new Miocene dolphin of Japan. Memoirs of the College of Science, Kyoto Imperial University, Series B 11(2):115-134 [M. Uhen/M. Uhen/M. Uhen] |
Secondary references:
| 76975 | N. Kohno, H. Koike, and K. Narita. 2007. Outline of fossil marine mammals from the Middle Miocene Bessho and Aoki Formations, Nagano Prefecture, Japan. Research Report of the Shinshushinmachi Fossil Museum 10:1-45 [M. Uhen/M. Uhen] | |
| 12148 | M. Oishi and Y. Hasegawa. 1995. A list of fossil cetaceans in Japan. The Island Arc 3:493-505 [M. Uhen/M. Uhen/M. Uhen] |