Yoshii Fm Molluscan Fauna Locality 3: Miocene, Japan
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Gastropoda
- Naticidae
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Neverita kiritaniana
(Yokoyama 1931)
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| synonym of Glossaulax didyma | ||||||||||
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Gastropoda
- Neogastropoda
- Turridae
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? Turris sp.
Röding 1798
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Gastropoda
- Neogastropoda
- Buccinidae
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Neptunea sp.
Röding 1798
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Gastropoda
- Turritellidae
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Turritella ? tanaguraensis
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Bivalvia
- Nuculida
- Nuculidae
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Acila sp.
Adams and Adams 1858
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Bivalvia
- Nuculanida
- Nuculanidae
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Saccella confusa
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Bivalvia
- Pectinida
- Pectinidae
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Chlamys kaneharai
(Yokoyama 1926)
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| recombined as Mimachlamys kaneharai | ||||||||||
| Dominant species at locality | ||||||||||
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Bivalvia
- Lucinida
- Lucinidae
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Lucinoma annulata
(Reeve 1850)
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| recombined as Lucinoma annulatum | ||||||||||
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Bivalvia
- Cardiida
- Cardiidae
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Nemocardium samarangae
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Bivalvia
- Carditida
- Crassatellidae
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"Crassatella" pauxilla
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| see common names | ||||||||||
Geography
| Country: | Japan |
| Coordinates: | 36.0° North, 139.0° East (view map) |
| Paleocoordinates: | 38.7° North, 136.5° East |
| Basis of coordinate: | based on political unit |
| Geographic resolution: | local area |
Time
| Period: | Neogene | Epoch: | Miocene |
| 10 m.y. bin: | Cenozoic 5-6 | ||
| Key time interval: | Miocene | ||
| Age range of interval: | 23.03000 - 5.33300 m.y. ago |
Stratigraphy
| Formation: | Yoshii | ||||
| Stratigraphic resolution: | formation | ||||
| Stratigraphy comments: formations cover unconformably the Paleozoic sedimentary rocks and crystalline shists | |||||
Lithology and environment
| Primary lithology: | lithified sandstone |
| Secondary lithology: | lithified siltstone |
| Includes fossils? | Y |
| Includes fossils? | Y |
| Lithology description: The Yoshii formation is composed of alternation of sandstone and siltstone and sandy mudstone. | |
| Environment: | marginal marine indet. |
| Glacial or sequence phase: | regressive |
| Geology comments: Overlies Fukushima formation and underlies Itahana formation. | |
Taphonomy
| Modes of preservation: | body |
Collection methods and comments
| Reason for describing collection: | paleoecologic analysis |
Metadata
| Also known as: | Locality 3 | ||
| Database number: | 52317 | ||
| Authorizer: | A. Miller | Enterer: | K. Bulinski |
| Modifier: | K. Bulinski | Research group: | marine invertebrate |
| Created: | 2005-08-03 10:53:22 | Last modified: | 2005-08-03 13:53:22 |
| Access level: | the public | Released: | 2005-08-03 10:53:21 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 13978. | Y. Iwasaki. 1970. The Shiobara-type Molluscan Fauna: An ecological analysis of fossil molluscs. Journal of the faculty of science, University of Tokyo, Section 2 17(3):351-444 [A. Miller/K. Bulinski/K. Bulinski] |