Mabechi River: Burdigalian - Langhian, Japan
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Osteichthyes
- Cetacea
- Kentriodontidae
|
|||||||
| 1 specimen | |||||||
| see common names | |||||||
Geography
| Country: | Japan | State/province: | Iwate |
| Coordinates: | 40.3° North, 141.3° East (view map) | ||
| Paleocoordinates: | 40.4° North, 138.3° East (Wright 2013) | ||
| Basis of coordinate: | stated in text | ||
| Geographic resolution: | outcrop |
Time
| Period: | Neogene | Epoch: | Miocene |
| Stage: | Burdigalian - Langhian | 10 m.y. bin: | Cenozoic 5 |
| Key time interval: | Burdigalian - Langhian | Other zone: | NPD 3B |
| Age range of interval: | 20.45 - 13.82 m.y. ago |
Stratigraphy
| Formation: | Kadonosawa | Member: | Shikonai | ||
| Stratigraphy comments: middle or upper portions of the Kadonosawa Formation, because the Shikonai Siltstone Member
Denticulopsis praelauta Zone (NPD 3B) (TuZino & Yanagisawa, 2017; Tuzino et al., 2018). The range in age of this zone spans chronostratigraphically between 16.3 and 15.9 Ma (Yanagisawa & Akiba, 1998), latest Burdigalian to earliest Langhian, |
Lithology and environment
| Primary lithology: | siltstone |
| Environment: | deep-water indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | general faunal/floral analysis |
Metadata
| Database number: | 218914 | ||
| Authorizer: | M. Uhen | Enterer: | M. Uhen |
| Modifier: | M. Clapham | Research group: | vertebrate |
| Created: | 2021-03-04 09:31:21 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2021-03-04 09:31:21 |
| Creative Commons license: | CC0 |
Reference information
Primary reference:
| 75823. | Z. Guo and N. Kohno. 2021. A new kentriodontid (Cetacea: Odontoceti) from the early to middle Miocene of the western North Pacific and a revision of kentriodontid phylogeny. PeerJ 9(e10945):1-36 [M. Uhen/M. Uhen/M. Uhen] |