Sebayashi, Nakazato-mura, Sebayashi Formation, Gunma: Early/Lower Aptian, Japan
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Bivalvia
- Ostreida
- Malleidae
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Isognomon sanchuensis
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Bivalvia
- Pholadida
- Corbulidae
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Pulsidis sanchuensis n. sp.
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Bivalvia
- Cardiida
- Neomiodontidae
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Costocyrena radiatostriata
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Bivalvia
- Cardiida
- Corbiculidae
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Tetoria sanchuensis
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| see common names | |||||||
Geography
| Country: | Japan | State/province: | Gunma |
| Coordinates: | 36.1° North, 138.8° East (view map) | ||
| Paleocoordinates: | 47.4° North, 140.4° East | ||
| Basis of coordinate: | based on nearby landmark | ||
| Geographic resolution: | outcrop |
Time
| Period: | Cretaceous | Epoch: | Early/Lower Cretaceous |
| Stage: | Barremian | ||
| Key time interval: | Early/Lower Aptian | ||
| Age range of interval: | 121.40000 - 119.50000 m.y. ago |
Stratigraphy
Lithology and environment
| Primary lithology: | black lithified "shale" |
| Environment: | estuary/bay |
| Geology comments: brackish-water environment | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | taxonomic analysis |
Metadata
| Database number: | 67143 | ||
| Authorizer: | W. Kiessling | Enterer: | U. Merkel |
| Modifier: | M. Carrano | Research group: | marine invertebrate |
| Created: | 2006-11-10 02:34:17 | Last modified: | 2015-02-02 13:29:10 |
| Access level: | the public | Released: | 2006-11-10 02:34:17 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 19151. | T. Kozai. 1986. Early Cretaceous Pulsidis (Bivalvia) from Japan. Transactions and Proceedings of the Palaeontological Society of Japan 144:479-489 [W. Kiessling/U. Merkel] |