Manda, Miike Coal-field (401 feet depth): Bartonian, Japan
collected 1897-1904
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Bivalvia
- Pholadomyida
- Pholadomyidae
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Pholadomya margaritacea
(Sowerby 1821)
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| see common names | |||||||
Geography
| Country: | Japan |
| Coordinates: | 33.1° North, 130.5° East (view map) |
| Paleocoordinates: | 38.1° North, 126.8° East (Wright 2013) |
| Basis of coordinate: | based on nearby landmark |
| Geographic resolution: | small collection |
Time
| Period: | Paleogene | Epoch: | Eocene |
| Stage: | Bartonian | 10 m.y. bin: | Cenozoic 3 |
| Key time interval: | Bartonian | ||
| Age range of interval: | 41.03 - 37.71 m.y. ago |
Stratigraphy
| Geological group: | Manda | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: According to Mizuno (1962, 1964), the Manda Group is correlated with the Okinoshiman stage, set chronologically by Ozaki et al. (1991) and Mizuno (1992) in the late Middle Eocene (Bartonian). | |||||
Lithology and environment
| Primary lithology: | gray,green lithified sandstone |
| Lithology description: Dark greyish green sandstone which is fine to medium-grained and quite hard. | |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis | Collection dates: | 1897-1904 |
Metadata
| Database number: | 179901 | ||
| Authorizer: | M. Clapham | Enterer: | M. Clapham |
| Modifier: | M. Clapham | Research group: | marine invertebrate |
| Created: | 2016-07-03 19:04:40 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2016-07-03 19:04:40 |
| Creative Commons license: | CC0 |
Reference information
Primary reference:
| 59679. | M. Yokoyama. 1911. Some Tertiary fossils from the Miike coal-field. Journal of the College of Science, Imperial University, Tokyo 27:1-16 [M. Clapham/M. Clapham] |