Middle stream of the Horomui--gawa, upper part Ashi Fm: Early/Lower Miocene, Japan
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Bivalvia
- Nuculanida
- Sareptidae
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Portlandia (Hataiyoldia) hayasakai
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Bivalvia
- Nuculida
- Nuculidae
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Acila (Aciga) elongata
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Gastropoda
- Neogastropoda
- Buccinidae
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Trominina sp.
Oyama and Mizuno 1958
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Geography
| Country: | Japan |
| Coordinates: | 43.2° North, 141.9° East (view map) |
| Paleocoordinates: | 44.0° North, 140.0° East |
| Basis of coordinate: | estimated from map |
| Geographic resolution: | outcrop |
Time
| Period: | Neogene | Epoch: | Miocene |
| 10 m.y. bin: | Cenozoic 5 | ||
| Key time interval: | Early/Lower Miocene | ||
| Age range of interval: | 23.03000 - 15.98000 m.y. ago |
Stratigraphy
| Formation: | Asahi |
Lithology and environment
| Primary lithology: | "shale" |
| Secondary lithology: | siltstone |
| Environment: | deep subtidal indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils,mesofossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis |
Metadata
| Database number: | 173023 | ||
| Authorizer: | W. Kiessling | Enterer: | M. Krause |
| Modifier: | M. Krause | Research group: | marine invertebrate |
| Created: | 2015-09-08 04:58:39 | Last modified: | 2015-09-08 05:15:38 |
| Access level: | the public | Released: | 2015-09-08 04:58:39 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 56250. | S. Uozumi. 1966. Neogene Molluscan Fauna in Hokkaido : Part I. Description of the Asahi Fauna Associated with Mytilus tichanovitchi MAKIYAMA, from Ikushunbetsu District, Central Hokkaido. Journal of the Faculty of Science, Hokkaido University. Series 4, Geology and mineralogy 13(2):119-137 [W. Kiessling/M. Krause] |