Otutumi, Kurokawa-gun (lower beds): Serravallian, Japan
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Rhynchonellata
- Terebratulida
- Laqueidae
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Laqueus rubellus
(Sowerby 1846)
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Rhynchonellata
- Terebratulida
- Terebrataliidae
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Terebratalia sendaica
Hatai 1936
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Terebratalia tenuis
(Hayasaka 1922)
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Coptothyris grayi
(Davidson 1852)
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Rhynchonellata
- Terebratulida
- Dallinidae
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Pegmathyris miyatokoensis
(Hatai 1936)
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Miyakothyris subovata
(Hatai 1936)
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Rhynchonellata
- Terebratulida
- Terebratellidae
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Tanakura tanakura
Hatai 1936
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Rhynchonellata
- Terebratulida
- Cancellothyrididae
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Terebratulina japonica
(Sowerby 1846)
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Terebratulina helenae
Hatai 1938
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| see common names | |||||||
Geography
| Country: | Japan |
| Coordinates: | 38.4° North, 140.9° East (view map) |
| Paleocoordinates: | 40.9° North, 138.4° East |
| Basis of coordinate: | based on nearby landmark |
| Geographic resolution: | outcrop |
Time
| Period: | Neogene | Epoch: | Miocene |
| Stage: | Serravallian | 10 m.y. bin: | Cenozoic 5 |
| Key time interval: | Serravallian | ||
| Age range of interval: | 13.82 - 11.63 m.y. ago |
Stratigraphy
| Formation: | Otsutsumi | ||||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: Otsutsumi formation (Otutumi beds in Hatai) ranges from 14 Ma to 9 Ma (Ogasawara, 1994). | |||||
Lithology and environment
| Primary lithology: | coarse sandstone |
| Lithology description: Coarse-grained sandstone, conglomeratic sandstone with basal conglomerate calcareous | |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis |
Metadata
| Database number: | 190762 | ||
| Authorizer: | M. Clapham | Enterer: | M. Clapham |
| Modifier: | M. Clapham | Research group: | marine invertebrate |
| Created: | 2017-12-17 20:39:19 | Last modified: | 2017-12-17 20:39:36 |
| Access level: | the public | Released: | 2017-12-17 20:39:19 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 64049. | K. M. Hatai. 1940. The Cenozoic Brachiopoda of Japan. Science Reports, Tohoku Imperial University, Series 2 20:1-413 [M. Clapham/M. Clapham] |