Hikado, Motoyoshi-cho, Motoyoshi-gun, Miyagi Prefecture: Spathian, Japan
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Bivalvia
- Pectinida
- Hunanopectinidae
|
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| 16 specimens | ||||||||||
| (7 measurements) | ||||||||||
|
Bivalvia
- Myalinida
- Myalinidae
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| 1 specimen | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Japan |
| Coordinates: | 38.8° North, 141.6° East (view map) |
| Paleocoordinates: | 4.9° North, 138.8° East (Wright 2013) |
| Basis of coordinate: | based on nearby landmark |
| Geographic resolution: | outcrop |
Time
| Period: | Triassic | Epoch: | Early Triassic |
| Stage: | Olenekian | 10 m.y. bin: | Triassic 1 |
| Key time interval: | Spathian | Ammonoid zone: | Columbites parisianus |
| Age range of interval: | 248.6 - 247 m.y. ago |
Stratigraphy
| Formation: | Osawa |
| Stratigraphic resolution: | group of beds |
Lithology and environment
| Primary lithology: | lithified "siliciclastic" |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | mold/impression |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | taxonomic analysis |
Metadata
| Database number: | 113887 | ||
| Authorizer: | M. Clapham | Enterer: | M. Clapham |
| Modifier: | M. Clapham | Research group: | marine invertebrate |
| Created: | 2011-08-06 15:24:08 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2011-08-06 15:24:08 |
| Creative Commons license: | CC0 |
Reference information
Primary reference:
| 33620. | M. Murata. 1973. Triassic fossils from the Kitakami Massif, northeast Japan, Part 1, Pelecypods and Brachiopods of the Osawa and the Fukkoshi Formations. Science Reports of the Tohoku University. Second Series, Geology. Special Volume (Hatai Memorial Volume) 6:267-275 [M. Clapham/M. Clapham/M. Clapham] |