R4040, Obirashibe River, Obira area: Late Coniacian, Japan
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Cephalopoda
- Ammonitida
- Scaphitidae
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Yezoites pseudoaequalis
(Yabe 1910)
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| see common names | |||||||
Geography
| Country: | Japan |
| Coordinates: | 44.1° North, 141.9° East (view map) |
| Paleocoordinates: | 52.0° North, 139.0° East (Wright 2013) |
| Basis of coordinate: | stated in text |
| Geographic resolution: | outcrop |
Time
| Period: | Cretaceous | Epoch: | Late Cretaceous |
| Stage: | Coniacian | 10 m.y. bin: | Cretaceous 6 |
| Key time interval: | Late Coniacian | Inoceramid zone: | Inoceramus mihoensis |
| Age range of interval: | 89.8 - 85.7 m.y. ago |
Stratigraphy
| Formation: | Haborogawa |
| Stratigraphic resolution: | bed |
Lithology and environment
| Primary lithology: | lithified sandy siltstone |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | mold/impression |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis |
| Collection method comments: Repository: Kyushu University Museum, Fukuoka, Japan | |
Metadata
| Database number: | 226901 | ||
| Authorizer: | M. Clapham | Enterer: | M. Clapham |
| Modifier: | M. Clapham | Research group: | marine invertebrate |
| Created: | 2022-08-05 22:55:05 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2022-08-05 22:55:05 |
| Creative Commons license: | CC0 |
Reference information
Primary reference:
| 82318. | K. Tanabe. 2022. Late Cretaceous dimorphic scaphitid ammonoid genus Yezoites from the circum-North Pacific regions. Paleontological Research 26:233-269 [M. Clapham/M. Clapham] |