Locality T5038, Gakko-no-sawa River: Middle Cenomanian, Japan
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Cephalopoda
- Ammonitida
- Tetragonitidae
|
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| Gabbioceras yezoense in Hayakawa & Nishino, 1999 (1 measurement) | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Japan |
| Coordinates: | 44.7° North, 142.0° East (view map) |
| Paleocoordinates: | 51.0° North, 146.8° East (Wright 2013) |
| Basis of coordinate: | estimated from map |
| Geographic resolution: | outcrop |
Time
| Period: | Cretaceous | Epoch: | Late Cretaceous |
| Stage: | Cenomanian | 10 m.y. bin: | Cretaceous 5 |
| Key time interval: | Middle Cenomanian | ||
| Age range of interval: | 100.5 - 93.9 m.y. ago |
Stratigraphy
| Formation: | Sakugawa |
| Stratigraphic resolution: | group of beds |
Lithology and environment
| Primary lithology: | concretionary lithified mudstone |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | surface (float) |
| Reason for describing collection: | taxonomic analysis |
| Collection method comments: Repository: Nakagawa Museum of Natural History (NMA) | |
Metadata
| Database number: | 232849 | ||
| Authorizer: | M. Clapham | Enterer: | M. Clapham | Research group: | marine invertebrate |
| Created: | 2024-01-02 10:42:19 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2024-01-02 10:42:19 |
| Creative Commons license: | CC0 |
Reference information
Primary reference:
| 87025. | Y. Shigeta, T. Sakai, and H. Fujita. 2023. A new species of Tanabeceras (Ammonoidea, Tetragonitidae) from the middle Cenomanian (Upper Cretaceous) of Hokkaido, Japan. Paleontological Journal 28:279-290 [M. Clapham/M. Clapham] |