Onimarua Quarry, Ofunato City: Visean, Japan
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Bivalvia
- Sanguinolitidae
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| Hayami and Kase 1977 | |||||||
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Gastropoda
- Cycloneritida
- Plagiothyridae
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= Littorinides cf. solidum
de Koninck 1844
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Wagner 2023 | ||||||
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Gastropoda
- Murchisoniina
- Gosseletinidae
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Gastropoda
- Murchisoniina
- Lophospiridae
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Kawanamia onimarensis n. gen., n. sp.
Kase 1988
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Gastropoda
- Euomphalina
- Euomphalidae
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Gastropoda
- Pseudozygopleuridae
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| see common names | |||||||
Geography
| Country: | Japan |
| Coordinates: | 39.1° North, 141.7° East (view map) |
| Paleocoordinates: | |
| Basis of coordinate: | estimated from map |
| Geographic resolution: | local area |
Time
| Period: | Carboniferous | Epoch: | Mississippian |
| Stage: | Visean | 10 m.y. bin: | Carboniferous 2 |
| Key time interval: | Visean | ||
| Age range of interval: | 346.7 - 330.3 m.y. ago |
Stratigraphy
| Formation: | Hikoroichi | Member: | H2 | ||
| Stratigraphic resolution: | formation | ||||
| Stratigraphy comments: upper part of Viséan. | |||||
Lithology and environment
| Primary lithology: | fine,coarse,tuffaceous sandstone |
| Lithology description: A fine- to coarse-grained, iill-sorted, tuffaceous sandstone bed. | |
| Environment: | carbonate indet. |
Taphonomy
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection excludes: | some macrofossils |
| Reason for describing collection: | taxonomic analysis |
| Collection method comments: National Science Museum, Tokyo | |
Metadata
| Database number: | 59832 | ||
| Authorizer: | P. Wagner, A. Dunhill | Enterer: | P. Wagner, B. Allen | Research group: | marine invertebrate |
| Created: | 2006-04-17 19:59:13 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2006-04-17 19:59:12 |
| Creative Commons license: | CC0 |
Reference information
Primary reference:
| 17167. | T. Kase. 1988. Early Carboniferous (Viséan) gastropods from the Hikoroichi Formation of the Kitakami Mountains, northeast Japan. Transactions and Proceedings of the Palaeontological Society of Japan 149:361-370 [P. Wagner/P. Wagner/P. Wagner] |
Secondary references:
| 19109 | I. Hayami and T. Kase. 1977. A systematic survey of the Paleozoic and Mesozoic Gastropoda and Paleozoic Bivalvia from Japan. University of Tokyo Bulletin 13 [A. Hendy/A. Hendy] | |
| 9042 | P. J. Wagner. 2023. Paleozoic Gastropod, Rostroconch, Helcionelloid and Tergomyan Database (2006 - 2023). [P. Wagner/P. Wagner/P. Wagner] |