Morawan (Lower Hard Shale Member): Chattian, Japan
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Mammalia
- Perissodactyla
- Desmostylidae
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Ashoroa laticosta n. gen., n. sp.
Inuzuka 2000
|
1 specimen | ||||||
| see common names | |||||||
Geography
| Country: | Japan | State/province: | Hokkaido |
| 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 |
Stratigraphy
| Geological group: | Kawakami | Formation: | Morawan | Member: | Lower Hard Shale |
| Stratigraphy comments: early late Oligocene | |||||
Lithology and environment
| Primary lithology: | lithified "shale" |
| Includes fossils? | Y |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body,original phosphate |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | surface (float),field collection |
| Reason for describing collection: | taxonomic analysis |
Metadata
| Database number: | 58896 | ||
| Authorizer: | M. Uhen | Enterer: | M. Uhen |
| Modifier: | M. Uhen | Research group: | vertebrate |
| Created: | 2006-02-28 11:39:06 | Last modified: | 2006-02-28 13:39:53 |
| Access level: | the public | Released: | 2006-02-28 11:39:06 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 16701. | N. Inuzuka. 2000. Primitive late Oligocene desmostylians from Japan and Phylogeny of the Desmostylia. Bulletin of the Ashoro Museum of Paleontology 1:91-123 [M. Uhen/M. Uhen] |