Niseu River, Biratori Town: Burdigalian - Langhian, Japan
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Osteichthyes
- Cetacea
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| 1 specimen | ||||||||||
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unclassified
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| Actinomiidae/Entactinaria spp. | ||||||||||
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Protozoa
- Actinommidae
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Actinomma sp.
Haeckel 1862
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Protozoa
- Entactinaria
- Hexalonchidae
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Hexacontium sp.
Haeckel 1881
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Polycystinea
- Spumellaria
- Spongodiscidae
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Spongodiscidae sp.
Haeckel 1862
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Stylodictya sp.
Ehrenberg 1847
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Polycystinea
- Spumellaria
- Litheliidae
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Polycystinea
- Spumellaria
- Stylosphaeridae
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? Stylatractus sp.
Haeckel 1887
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? Stylosphaera sp.
Ehrenberg 1847
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Polycystinea
- Spumellaria
- Pyloniidae
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Pyloniidae indet.
Haeckel 1881
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| Pyloniidae/Litheliidae spp. | ||||||||||
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Larcopyle sp.
Dreyer 1889
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Polycystinea
- Nassellaria
- Triospyrididae
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? Dendrospyris sp.
Haeckel 1881
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Polycystinea
- Nassellaria
- Artostrobiidae
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Polycystinea
- Nassellaria
- Theopiliidae
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| subspecies cosma | ||||||||||
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Cycladophora sp.
Ehrenberg 1847
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Polycystinea
- Nassellaria
- Carpocaniidae
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Carpocaniidae indet.
Haeckel 1881
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Polycystinea
- Nassellaria
- Acropyramididae
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Polycystinea
- Nassellaria
- Eucyrtiidae
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Dictyophimus sp.
Ehrenberg 1846
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Polycystinea
- Nassellaria
- Eucyrtidiidae
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Stichocorys sp.
Haeckel 1881
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| see common names | ||||||||||
Geography
| Country: | Japan |
| Coordinates: | 42.8° North, 142.4° East (view map) |
| Paleocoordinates: | 42.9° North, 139.1° East (Wright 2013) |
| Basis of coordinate: | stated in text |
Time
| Period: | Neogene | Epoch: | Miocene |
| Stage: | Burdigalian - Langhian | 10 m.y. bin: | Cenozoic 5 |
| Key time interval: | Burdigalian - Langhian | ||
| Age range of interval: | 20.45 - 13.82 m.y. ago |
Stratigraphy
| Formation: | Takinoue | ||||
| Stratigraphy comments: late Burdigalian to the early Lang- hian according to GTS2012 and is concordant with previ- ously estimated ages (late Early–early Middle Miocene) of the Takinoue Formation |
Lithology and environment
| Primary lithology: | calcareous siltstone |
| Includes fossils? | Y |
| Environment: | marine 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: | 236002 | ||
| Authorizer: | M. Uhen | Enterer: | M. Uhen | Research group: | vertebrate |
| Created: | 2024-09-06 14:56:44 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2024-09-06 14:56:44 |
| Creative Commons license: | CC0 |
Reference information
Primary reference:
| 89346. | Y. Tanaka, I. Motoyama, and K. Sakurai. 2024. A new late Early to early Middle Miocene fossil baleen whale aff. Isanacetus laticephalus specimen from Hokkaido, Japan. Paleontological Research 28(4):481-490 [M. Uhen/M. Uhen] |