R575, Suribachi-zawa: Early/Lower Cenomanian, Japan
collected by Y. Kawashita
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Cephalopoda
- Ammonitida
- Acanthoceratidae
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Graysonites adkinsi
Young 1958
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| see common names | |||||||
Geography
| Country: | Japan |
| Coordinates: | 44.2° North, 142.1° East (view map) |
| Paleocoordinates: | 53.6° North, 135.8° East |
| Basis of coordinate: | estimated from map |
| Geographic resolution: | outcrop |
Time
| Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
| Stage: | Cenomanian | 10 m.y. bin: | Cretaceous 5 |
| Key time interval: | Early/Lower Cenomanian | ||
| Age range of interval: | 100.50000 - 93.90000 m.y. ago |
Stratigraphy
| Stratigraphic resolution: | bed |
Lithology and environment
| Primary lithology: | lithified mudstone |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis |
| Collectors: | Y. Kawashita |
| Collection method comments: Repository: Geological Collections, Faculty of Culture and Education, Saga University (eventually at National Science Museum, Tokyo) | |
Metadata
| Database number: | 174503 | ||
| Authorizer: | M. Clapham | Enterer: | M. Clapham | Research group: | marine invertebrate |
| Created: | 2015-11-14 09:36:43 | Last modified: | 2015-11-14 09:36:43 |
| Access level: | the public | Released: | 2015-11-14 09:36:43 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 56925. | T. Matsumoto, T. Nishida, and S. Toshimitsu. 2003. Early Cenomanian (Cretaceous) ammonoids Utaturiceras and Graysonites from Hokkaido, North Japan. Bulletin of the Geological Survey of Japan 54:131-159 [M. Clapham/M. Clapham] |