Takikawa: Early Pliocene, Japan
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Osteichthyes
- Sirenia
- Sirenia
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| 1 specimen | |||||||
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Osteichthyes
- Sirenia
- Dugongidae
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| Furusawa and Kimura 1982 | |||||||
| Furusawa 2005 | 2 specimens | ||||||
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Osteichthyes
- Cetacea
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| Oishi and Hasegawa 1995 | 1 specimen | ||||||
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Osteichthyes
- Cetacea
- Delphinidae
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| Oishi and Hasegawa 1995 | 1 specimen | ||||||
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Osteichthyes
- Cetacea
- Eschrichtiidae
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| Oishi and Hasegawa 1995 | 1 specimen | ||||||
| see common names | |||||||
Geography
| Country: | Japan | State/province: | Hokkaido |
| Coordinates: | 43.6° North, 142.0° East (view map) | ||
| Paleocoordinates: | 43.4° North, 141.0° East (Wright 2013) | ||
| Basis of coordinate: | estimated from map |
Time
| Period: | Neogene | Epoch: | Pliocene |
| Stage: | Zanclean | 10 m.y. bin: | Cenozoic 6 |
| Key time interval: | Early Pliocene | ||
| Age range of interval: | 5.333 - 3.6 m.y. ago |
Stratigraphy
Lithology and environment
| Primary lithology: | not reported |
| Environment: | coastal 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: | 56358 | ||
| Authorizer: | M. Uhen | Enterer: | M. Uhen |
| Modifier: | M. Uhen | Research group: | vertebrate |
| Created: | 2005-11-17 10:29:36 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2005-11-17 10:29:36 |
| Creative Commons license: | CC0 |
Reference information
Primary reference:
| 15183. | H. Furusawa. 1984. Discovery of a juvenile sirenian rib from the lower Pliocene in the Sorachi River, Takikawa city, Hokkaido. Journal of the Geological Society of Japan 90(5):345-347 [M. Uhen/M. Uhen] |
Secondary references:
| 70357 | H. Furusawa. 2005. Evolution of the North Pacific Sirenia (Hydrodamalinae) and their paleoenvironment. Fossils 77:29-33 [M. Uhen/M. Uhen] | |
| 18826 | H. Furusawa and M. Kimura. 1982. Discovery of new species of Sirenia from the lower Pliocene in the Sorachi River, Takikawa city, Hokkaido. Journal of the Geological Society of Japan 88:849-852 [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] |