Torii-zawa (Shimo-ichi-no-sawa), Ikushumbets river: Early Cenomanian, Japan
collected by T. Takahashi
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Cephalopoda
- Nautilida
- Nautilidae
|
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| see common names | |||||||
Geography
| Country: | Japan |
| Coordinates: | 43.2° North, 142.0° East (view map) |
| Paleocoordinates: | 49.6° North, 147.2° East (Wright 2013) |
| Basis of coordinate: | based on nearby landmark |
| Geographic resolution: | outcrop |
Time
| Period: | Cretaceous | Epoch: | Late Cretaceous |
| Stage: | Cenomanian | 10 m.y. bin: | Cretaceous 5 |
| Key time interval: | Early Cenomanian | Ammonoid zone: | Mantelliceras japonicum |
| Age range of interval: | 100.5 - 93.9 m.y. ago |
Lithology and environment
| Primary lithology: | lithified "siliciclastic" |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | cast,mold/impression |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis |
| Collectors: | T. Takahashi |
| Collection method comments: Repository: collection of T. Takahashi | |
Metadata
| Database number: | 166258 | ||
| Authorizer: | M. Clapham | Enterer: | M. Clapham |
| Modifier: | M. Clapham | Research group: | marine invertebrate |
| Created: | 2015-02-07 09:52:00 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2015-02-07 09:52:00 |
| Creative Commons license: | CC0 |
Reference information
Primary reference:
| 54322. | T. Matsumoto, T. Takahashi, I. Obata and M. Futakami. 1984. Cretaceous nautiloids from Hokkaido - IV. Part 4. An interesting nautiloid species from the Cenomanian of Hokkaido. Transactions and Proceedings of the Paleontological Society of Japan, N.S. 133:288-299 [M. Clapham/M. Clapham] |