Soma Area, Awazu Formation, Honshu: Bajocian, Japan
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Bivalvia
- Pectinida
- Pectinidae
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Chlamys awazuensis
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Bivalvia
- Trigoniida
- Trigoniidae
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Latitrigonia pyramidalis
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Nipponitrigonia sagawai
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subsp. sagawai | ||||||||||
Bivalvia
- Trigoniida
- Myophorellidae
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Vaugonia (Vaugonia) awazuensis
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see common names |
Geography
Country: | Japan | State/province: | Fukushima |
Coordinates: | 37.8° North, 140.9° East (view map) | ||
Paleocoordinates: | 46.3° North, 146.6° East | ||
Basis of coordinate: | estimated from map | ||
Geographic resolution: | local area |
Time
Period: | Jurassic | Epoch: | Middle Jurassic |
Stage: | Bajocian | 10 m.y. bin: | Jurassic 4 |
Key time interval: | Bajocian | ||
Age range of interval: | 170.90000 - 168.20000 m.y. ago |
Stratigraphy
Lithology and environment
Primary lithology: | "shale" |
Secondary lithology: | conglomerate |
Environment: | marine indet. |
Taphonomy
Modes of preservation: | cast,mold/impression |
Size of fossils: | macrofossils |
Collection methods and comments
Collection methods: | survey of museum collection |
Reason for describing collection: | taxonomic analysis |
Metadata
Database number: | 40544 | ||
Authorizer: | M. Aberhan | Enterer: | S. Nurnberg |
Modifier: | S. Nurnberg | Research group: | marine invertebrate |
Created: | 2004-06-25 01:39:13 | Last modified: | 2004-06-29 15:21:56 |
Access level: | the public | Released: | 2004-06-25 01:39:13 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
10664. | I. Hayami. 1975. A systematic survey of the Mesozoic Bivalvia from Japan. The University Museum, The University of Tokyo, Bulletin (10) [M. Aberhan/S. Nurnberg/S. Nurnberg] |