Morawan (Kamirawan Sandstone Member): Chattian, Japan
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Mammalia
- Cetacea
- Aetiocetidae
|
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Ashorocetus eguchii n. gen., n. sp.
Barnes et al. 1995
|
1 specimen | ||||||
| see common names | |||||||
Geography
| Country: | Japan | State/province: | Hokkaido | County: | Ashoro |
| Coordinates: | 43.3° North, 143.8° East (view map) | ||||
| Paleocoordinates: | 44.6° North, 141.4° East | ||||
| Basis of coordinate: | estimated from map |
Time
| Period: | Paleogene | Epoch: | Oligocene |
| Stage: | Chattian | 10 m.y. bin: | Cenozoic 4 |
| Key time interval: | Chattian | ||
| Age range of interval: | 27.82 - 23.03 m.y. ago |
Lithology and environment
| Primary lithology: | sandstone |
| Includes fossils? | Y |
| Environment: | basinal (siliceous) |
| Geology comments: basinal (siliceous), near shore | |
Taphonomy
| Modes of preservation: | body,original phosphate |
| Size of fossils: | macrofossils |
| Preservation of anatomical detail: | excellent |
Collection methods and comments
| Collection methods: | surface (float),field collection |
| Reason for describing collection: | taxonomic analysis |
Metadata
| Database number: | 45785 | ||
| Authorizer: | M. Uhen | Enterer: | M. Uhen |
| Modifier: | B. Shipps | Research group: | vertebrate |
| Created: | 2004-12-01 11:36:59 | Last modified: | 2017-02-26 15:47:38 |
| Access level: | the public | Released: | 2004-12-01 11:36:59 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 12130. | L. G. Barnes, M. Kimura, H. Furusawa and H. Sawamura. 1995. Classification and distribution of Oligocene Aetiocetidae (Mammalia; Cetacea; Mysticeti) from western North America and Japan. The Island Arc 3(4):392-431 [M. Uhen/M. Uhen/M. Uhen] |
Secondary references:
| 14507 | M. Kimura, L. G. Barnes, and H. Furusawa. 1992. Classification and distribution of Oligocene Aetiocetidae (Mammalia, Mysticeti) from western North America and Japan. International Geological Congress, Abstracts 29:348-348 [M. Uhen/M. Uhen/M. Uhen] | |
| 33201 | H. Kurita. 2004. Paleogene Dinoflagellate Cyst Biostratigraphy of Northern Japan. Micropaleontology 50:1-50 [M. Uhen/S. Strother/M. Uhen] |