Kitazawa, Toyoma-cho, Tome-gun, Miyagi Prefecture: Wuchiapingian, Japan
collected by K. Nakazawa
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Bivalvia
- Pectinida
- Aviculopectinidae
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Bivalvia
- Myalinida
- Myalinidae
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| (1 measurement) | ||||||||||
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Bivalvia
- Carditida
- Astartidae
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| (7 measurements) | ||||||||||
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Bivalvia
- Cardiida
- Kalenteridae
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| (7 measurements) | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Japan |
| Coordinates: | 38.7° North, 141.3° East (view map) |
| Paleocoordinates: | 1.7° North, 134.1° East (Wright 2013) |
| Basis of coordinate: | based on nearby landmark |
| Geographic resolution: | outcrop |
Time
| Period: | Permian | Epoch: | Lopingian |
| Stage: | Wuchiapingian | 10 m.y. bin: | Permian 4 |
| Key time interval: | Wuchiapingian | ||
| Age range of interval: | 259.857 - 254.14 m.y. ago |
Stratigraphy
| Formation: | Toyoma |
| Stratigraphic resolution: | group of beds |
Lithology and environment
| Primary lithology: | lithified mudstone |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | cast,mold/impression |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | taxonomic analysis |
| Collectors: | K. Nakazawa |
Metadata
| Database number: | 114535 | ||
| Authorizer: | M. Clapham | Enterer: | M. Clapham |
| Modifier: | M. Clapham | Research group: | marine invertebrate |
| Created: | 2011-08-16 14:03:02 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2011-08-16 14:03:02 |
| Creative Commons license: | CC0 |
Reference information
Primary reference:
| 27485. | K. Nakazawa and N.D. Newell. 1968. Permian bivalves of Japan. Memoirs of the Faculty of Science, Kyoto University, Series of Geology and Mineralogy 35(1):1-108 [M. Clapham/M. Clapham] |