Tawa pit, Nagao-cho, Ookawa-gun (unit B): Late Campanian, Japan
collected by M. Furuichi
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Cephalopoda
- Nautilida
- Nautilidae
|
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| (1 measurement) | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Japan |
| Coordinates: | 34.2° North, 134.2° East (view map) |
| Paleocoordinates: | 40.6° North, 128.1° East (Wright 2013) |
| Basis of coordinate: | estimated from map |
| Geographic resolution: | small collection |
Time
| Period: | Cretaceous | Epoch: | Late Cretaceous |
| Stage: | Campanian | 10 m.y. bin: | Cretaceous 7 |
| Key time interval: | Late Campanian | ||
| Age range of interval: | 83.6 - 72.2 m.y. ago |
Stratigraphy
| Geological group: | Izumi | Formation: | Nakato Shale | ||
| Stratigraphy comments: Regarded as Upper Campanian, higher than the Metaplacenticeras subtilistriatum bed | |||||
Lithology and environment
| Primary lithology: | nodular lithified calcareous mudstone |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis |
| Collectors: | M. Furuichi |
| Collection method comments: Repository: Kagawa Natural Science Museum | |
Metadata
| Database number: | 166255 | ||
| Authorizer: | M. Clapham | Enterer: | M. Clapham | Research group: | marine invertebrate |
| Created: | 2015-02-06 22:56:08 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2015-02-06 22:56:08 |
| Creative Commons license: | CC0 |
Reference information
Primary reference:
| 54319. | M. Furuichi. 1982. A new nautiloid species from the Upper Cretaceous Izumi Group of Shikoku. Transactions and Proceedings of the Paleontological Society of Japan, N.S. 126:334-340 [M. Clapham/M. Clapham] |