Daisyaka, Higasi-Tugaru-gun: Calabrian, Japan
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Rhynchonellata
- Terebratulida
- Terebrataliidae
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Terebratalia coreanica
(Adams and Reeve 1850)
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Coptothyris grayi
(Davidson 1852)
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Rhynchonellata
- Terebratulida
- Laqueidae
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Laqueus rubellus
(Sowerby 1846)
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Rhynchonellata
- Rhynchonellida
- Hemithirididae
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Hemithyris psittacea
(Gmelin 1790)
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| see common names | |||||||
Geography
| Country: | Japan |
| Coordinates: | 40.8° North, 140.6° East (view map) |
| Paleocoordinates: | 40.7° North, 140.4° East (Wright 2013) |
| Basis of coordinate: | based on nearby landmark |
| Geographic resolution: | outcrop |
Time
| Period: | Quaternary | Epoch: | Pleistocene |
| Stage: | Calabrian | 10 m.y. bin: | Cenozoic 6 |
| Key time interval: | Calabrian | ||
| Age range of interval: | 1.8 - 0.774 m.y. ago |
Stratigraphy
| Formation: | Daishaka | ||||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: From the lower part of the Sandstone formation. Based on stratigraphic position above the Sandy shale formation and below the Tuff formation, the fossils derive from what is now called the Daishaka Formation. | |||||
Lithology and environment
| Primary lithology: | unlithified muddy sandstone |
| Lithology description: Rather coarse-grained sandstone, partly conglomeratic and muddier at its lower than at its upper part. | |
| Environment: | coastal indet. |
| Geology comments: "Upper sublittoral" | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis |
| Collection method comments: Repository: Institute of Geology and Paleontology, Tohoku University, Sendai (IGPS) | |
Metadata
| Database number: | 190674 | ||
| Authorizer: | M. Clapham | Enterer: | M. Clapham |
| Modifier: | M. Clapham | Research group: | marine invertebrate |
| Created: | 2017-12-13 21:21:16 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2017-12-13 21:21:16 |
| Creative Commons license: | CC0 |
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] |