YEZ-20, Wakkauenbetsugawa, Nakagawa-cho: Santonian, Japan
collected by T. Kojima
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Malacostraca
- Decapoda
- Galatheidae
|
|||||||
| see common names | |||||||
Geography
| Country: | Japan |
| Coordinates: | 44.6° North, 142.1° East (view map) |
| Paleocoordinates: | 52.7° North, 136.0° East (Wright 2013) |
| Basis of coordinate: | based on nearby landmark |
| Geographic resolution: | outcrop |
Time
| Period: | Cretaceous | Epoch: | Late Cretaceous |
| Stage: | Santonian | 10 m.y. bin: | Cretaceous 6 |
| Key time interval: | Santonian | ||
| Age range of interval: | 85.7 - 83.6 m.y. ago |
Stratigraphy
| Geological group: | Yezo | Formation: | Nigorikawa | ||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: Nigorikawa Formation (Santonian), Upper Yezo Group (Osanai et al, 1960). | |||||
Lithology and environment
| Primary lithology: | lithified "siliciclastic" |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis |
| Collectors: | T. Kojima |
| Collection method comments: Repository: Mizunami Fossil Museum (MFM) | |
Metadata
| Database number: | 222228 | ||
| Authorizer: | M. Clapham | Enterer: | M. Clapham | Research group: | decapod,marine invertebrate |
| Created: | 2021-09-19 14:13:49 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2021-09-19 14:13:49 |
| Creative Commons license: | CC0 |
Reference information
Primary reference:
| 47152. | decapod | H. Karasawa and H. Hayakawa. 2000. Additions to Cretaceous decapod crustaceans from Hokkaido, Japan-Part 1. Nephropidae, Micheleidae and Galatheidae. Paleontological Research 4(2):139-145 [C. Schweitzer/E. Johnson/M. Clapham] |