Yubari Area, Mikasa Sandstone, Hokkaido: Cenomanian, Japan
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Bivalvia
- Myalinida
- Inoceramidae
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Inoceramus (Inoceramus) yabei
Nagao and Matsumoto 1939
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Inoceramus (Inoceramus) aff. crippsi
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Bivalvia
- Arcida
- Glycymerididae
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Glycymeris (Glycymerita) hokkaidoensis
(Yabe and Nagao 1928)
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Bivalvia
- Trigoniida
- Myophorellidae
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Steinmanella (Yeharella) lymani
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Bivalvia
- Trigoniida
- Megatrigoniidae
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Pterotrigonia (Acanthotrigonia) longiloba
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Bivalvia
- Trigoniida
- Trigoniidae
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Apiotrigonia (Apiotrigonia) minor
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Bivalvia
- Cardiida
- Veneridae
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Aphrodina pseudoplana
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Bivalvia
- Cardiida
- Tancrediidae
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Meekia hokkaidoana
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(?) | ||||||||||
see common names |
Geography
Country: | Japan | State/province: | Ishikari |
Coordinates: | 43.0° North, 142.0° East (view map) | ||
Paleocoordinates: | 52.4° North, 136.1° East | ||
Basis of coordinate: | estimated from map | ||
Geographic resolution: | local area |
Time
Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
Stage: | Cenomanian | 10 m.y. bin: | Cretaceous 5 |
Key time interval: | Cenomanian | ||
Age range of interval: | 100.50000 - 93.90000 m.y. ago |
Stratigraphy
Geological group: | Middle Yezo | Formation: | Mikasa Sandstone |
Stratigraphic resolution: | formation |
Lithology and environment
Primary lithology: | fine sandstone |
Secondary lithology: | mudstone |
Environment: | foreshore |
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: | 39652 | ||
Authorizer: | M. Aberhan | Enterer: | S. Nurnberg |
Modifier: | S. Nurnberg | Research group: | marine invertebrate |
Created: | 2004-06-02 05:45:26 | Last modified: | 2004-06-28 08:11:56 |
Access level: | the public | Released: | 2004-06-02 05:45:26 |
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] |