Hida-Furukawa (KR-01): Valanginian, Japan
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Gastropoda
- Thiaridae
|
|||||||
|
Gastropoda
- Naticidae
|
|||||||
|
Bivalvia
- Venerida
- Neomiodontidae
|
|||||||
| see common names | |||||||
Geography
| Country: | Japan |
| Coordinates: | 36.3° North, 137.2° East (view map) |
| Paleocoordinates: | 49.9° North, 142.4° East (Wright 2013) |
| Basis of coordinate: | estimated from map |
Time
| Period: | Cretaceous | Epoch: | Early Cretaceous |
| Stage: | Valanginian | 10 m.y. bin: | Cretaceous 1 |
| Key time interval: | Valanginian | ||
| Age range of interval: | 137.05 - 132.6 m.y. ago |
Lithology and environment
| Primary lithology: | lithified mudstone |
| Secondary lithology: | lithified sandstone |
| Lithology description: Tetori Group in the region is composed mainly of mudstone, sandstone, and conglomerates, and can be divided into six stratigraphic units named, in ascending order, the Tanemura, Numamachi, Sugizaki/ Tochio, Taie, and Inagoe Formations | |
| Environment: | deltaic indet. |
| Glacial or sequence phase: | regressive |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | paleoecologic analysis |
Metadata
| Database number: | 116161 | ||
| Authorizer: | M. Aberhan | Enterer: | D. Wellmanns |
| Modifier: | D. Wellmanns | Research group: | marine invertebrate |
| Created: | 2011-09-06 01:08:37 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | authorizer only | Released: | 2016-09-06 01:08:37 |
| Creative Commons license: | CC0 |
Reference information
Primary reference:
| 37320. | M. Matsukawa and M. Fukui. 2009. Hauterivian-Barremian marine molluscan fauna from the Tetori Group in Japan and late Mesozoic marine transgressions in East Asia. Cretaceous Research 30:615-631 [M. Aberhan/D. Wellmanns] |