Otake Quarry: Middle Pleistocene, Japan
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Mammalia
- Cetacea
- Balaenopteridae
|
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Megaptera novaeangliae
(Brisson 1762)
|
1 specimen | ||||||
| see common names | |||||||
Geography
| Country: | Japan | State/province: | Chiba | County: | Innba-mura |
| Coordinates: | 35.8° North, 140.2° East (view map) | ||||
| Paleocoordinates: | 35.8° North, 140.2° East | ||||
| Basis of coordinate: | estimated from map |
Time
| Period: | Quaternary | Epoch: | Pleistocene |
| Stage: | Chibanian | 10 m.y. bin: | Cenozoic 6 |
| Key time interval: | Middle Pleistocene | ||
| Age range of interval: | 0.77400 - 0.12900 m.y. ago | ||
| Age estimate: | 147 ± 9 to 143 ± 11 Ka (fission track) |
Lithology and environment
| Primary lithology: | coarse poorly lithified sandstone |
| Includes fossils? | Y |
| Lithology description: rudaceous sand | |
| Environment: | estuary/bay |
| Geology comments: inner bay, drowned basal valley | |
Taphonomy
| Modes of preservation: | body,original phosphate |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | general faunal/floral analysis |
Metadata
| Also known as: | Yoshitaka, Inba, Inba-mura | ||
| Database number: | 96893 | ||
| Authorizer: | M. Uhen | Enterer: | M. Uhen |
| Modifier: | M. Uhen | Research group: | vertebrate |
| Created: | 2010-07-08 14:47:30 | Last modified: | 2019-04-19 10:06:26 |
| Access level: | the public | Released: | 2010-07-08 14:47:30 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 33077. | K. Nagasawa and Y. Mitani. 2004. A humpback whale, Megaptera novaeangliae (Borowski, 1781), from the Pleistocene Kioroshi Formation of Inba-mura, Chiba Prefecture, central Japan. Paleontological Research 8(3):155-165 [M. Uhen/M. Uhen] |
Secondary references:
| 35579 | H. Furusawa, H. Yokoyama, and M. Kimura. 2010. A balaenopterid skull (Order Cetacea) from the Early Pleistocene of Kuromatsunai, Hokkaido, Japan. Fossils 87:23-27 [M. Uhen/M. Uhen] |