Hannoura, Notojima-machi, Kashima-gun (Loc. 6): Middle Miocene, Japan
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Chondrichthyes
- Lamniformes
- Lamnidae
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Isurus desori
(Sismonda 1849)
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Isurus planus
(Agassiz 1856)
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Chondrichthyes
- Lamniformes
- Otodontidae
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| One fragmental tooth specimen (KUE1287) | ||||||||||
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Chondrichthyes
- Lamniformes
- Carchariidae
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Chondrichthyes
- Carcharhiniformes
- Carcharhinidae
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Carcharhinus egertoni
(Agassiz 1843)
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Chondrichthyes
- Hexanchiformes
- Hexanchidae
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Hexanchus gigas
(Sismonda 1857)
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| see common names | ||||||||||
Geography
| Country: | Japan |
| Coordinates: | 37.1° North, 137.9° East (view map) |
| Paleocoordinates: | 36.9° North, 135.5° East (Wright 2013) |
| Basis of coordinate: | stated in text |
| Geographic resolution: | outcrop |
Time
| Period: | Neogene | Epoch: | Miocene |
| 10 m.y. bin: | Cenozoic 5 | ||
| Key time interval: | Middle Miocene | ||
| Age range of interval: | 15.98 - 11.63 m.y. ago |
Stratigraphy
| Formation: | Hannoura |
| Stratigraphic resolution: | group of beds |
Lithology and environment
| Primary lithology: | conglomerate |
| Lithology description: Fine-grained calcareous sandstone and pebbly conglomerate | |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection excludes: | some genera |
| Reason for describing collection: | general faunal/floral analysis |
| Collection method comments: Repository: Department of Earth Sciences, Faculty of Science, Kanazawa University. | |
Metadata
| Database number: | 161495 | ||
| Authorizer: | C. Jaramillo | Enterer: | C. Pimiento |
| Modifier: | M. Clapham | ||
| Created: | 2014-09-06 21:13:23 | Last modified: | 2026-03-23 12:33:59 |
| Access level: | the public | Released: | 2014-09-06 21:13:23 |
| Creative Commons license: | CC0 |
Reference information
Primary reference:
| 52618. | H. Karasawa. 1989. Late Cenozoic elasmobranchs from the Hokuriku district, central Japan. Science Reports of Kanazawa University 34(1):1-57 [C. Jaramillo/C. Pimiento/M. Clapham] |