Ryozensan, Inukami-gun, Ryozensan limestone: Sakmarian, Japan
collected by Mr. Y. Yoshikawa
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Chondrichthyes
- Petalodontiformes
|
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| see common names | |||||||
Geography
| Country: | Japan | County: | Shiga-ken |
| Coordinates: | 35.3° North, 136.4° East (view map) | ||
| Paleocoordinates: | 13.1° North, 138.6° East (Wright 2013) |
Time
| Period: | Permian | Epoch: | Cisuralian |
| Stage: | Sakmarian | 10 m.y. bin: | Permian 1 |
| Key time interval: | Sakmarian | ||
| Age range of interval: | 293.52 - 290.1 m.y. ago |
Stratigraphy
| Formation: | Ryozensan limestone |
Lithology and environment
| Primary lithology: | "limestone" |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis |
| Collectors: | Mr. Y. Yoshikawa |
Metadata
| Database number: | 133439 | ||
| Authorizer: | M. Clapham | Enterer: | P. Vazquez | Research group: | vertebrate |
| Created: | 2012-09-13 11:06:31 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2012-09-13 11:06:31 |
| Creative Commons license: | CC0 |
Reference information
Primary reference:
| 42990. | M. Goto. 1994. Palaeozoic and early Mesozoic fish faunas of the Japanese Islands. The Island Arc 3(1994):247-254 [M. Clapham/P. Vazquez] |