Saburaishi Mbr, Kirimiya Fm - Isahaya: Late/Upper Eocene, Japan
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Gastropoda
- Turritellidae
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Turritella sp.
Lamarck 1799
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A category | ||||||
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Bivalvia
- Nuculanida
- Nuculanidae
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Saccella sp.
Woodring 1925
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R category | ||||||
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Bivalvia
- Cardiida
- Veneridae
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Pitar kyushuensis
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R category | ||||||
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Bivalvia
- Thraciida
- Periplomatidae
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Periploma sp.
Schumacher 1816
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R category | ||||||
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Bivalvia
- Carditida
- Carditidae
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Venericardia ? mandaica
(Yokoyama 1911)
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R category | ||||||
| recombined as Venericardia (Venericardia) mandaica | |||||||
| see common names | |||||||
Geography
| Country: | Japan |
| Coordinates: | 32.8° North, 130.0° East (view map) |
| Paleocoordinates: | 39.7° North, 125.2° East |
| Basis of coordinate: | based on nearby landmark |
| Geographic resolution: | local area |
Time
| Period: | Paleogene | Epoch: | Eocene |
| Stage: | Priabonian | 10 m.y. bin: | Cenozoic 3 |
| Key time interval: | Late/Upper Eocene | ||
| Age range of interval: | 37.71000 - 33.90000 m.y. ago |
Stratigraphy
| Formation: | Kirimiya | Member: | Saburaishi | ||
| Stratigraphic resolution: | member | ||||
| Stratigraphy comments: STRATIGRAPHIC RELATIONS: From Saburaishi Mbr of the Kirimiya Fm, which regionally overlies the Middle Eocene Keya Fm, and underlying the Nagayo Fm (Early Oligocene). THICKNESS: From member within formation that attains a thickness of ~100 m. AGE: Late Eocene, based on molluscan biostratigraphy. STRATIGRAPHIC POSITION: Composite list for member in the lower part of this local area. | |||||
Lithology and environment
| Primary lithology: | lithified sandy siltstone |
| Includes fossils? | Y |
| Lithology description: SPECIFIC LITHOLOGY: Sandy siltstone. LITHIFICATION: Presumed lithified on the basis of age. | |
| Environment: | coastal indet. |
| Geology comments: ENVIRONMENT: Shallow sea, soft-bottom siliciclastic bottom. | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | surface (float),field collection |
| Reason for describing collection: | biostratigraphic analysis |
| Collection method comments: COLLECTOR: A. Mizuno (c. 1964). REPOSITORY: Not stated in text, unknown. | |
| Taxonomic list comments:COVERAGE: Exhaustive for gastropoda and bivalvia. NOMENCLATURE: Farly modern nomenclature, and species-level assignments. | |
Metadata
| Database number: | 70923 | ||
| Authorizer: | A. Hendy | Enterer: | A. Hendy |
| Modifier: | A. Hendy | Research group: | marine invertebrate |
| Created: | 2007-04-11 21:03:00 | Last modified: | 2013-11-25 13:37:23 |
| Access level: | authorizer only | Released: | 2008-04-11 21:03:00 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 23772. | A. Mizuno. 1964. Paleogene and Early Neogene molluscan faunae in West Japan. Geological Survey of Japan Report 204 [A. Hendy/A. Hendy] |