Arakawa River: Middle Miocene, Japan
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Chondrichthyes
- Lamniformes
- Otodontidae
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Carcharodon megalodon
(Agassiz 1835)
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| recombined as Otodus megalodon | ||||||||||
| almost complete tooth set | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Japan | State/province: | Saitama |
| Coordinates: | 36.1° North, 139.4° East (view map) | ||
| Paleocoordinates: | 38.9° North, 136.9° East | ||
| Basis of coordinate: | based on nearby landmark |
Time
| Period: | Neogene | Epoch: | Miocene |
| 10 m.y. bin: | Cenozoic 5 | ||
| Key time interval: | Middle Miocene | ||
| Age range of interval: | 15.98000 - 11.63000 m.y. ago |
Stratigraphy
| Geological group: | Matsuyama | ||||
| Stratigraphy comments: Chichibu | |||||
Lithology and environment
| Primary lithology: | mudstone |
| 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: Deposited in the Saitama Prefectural Museum of Natural History. | |
Metadata
| Database number: | 161522 | ||
| Authorizer: | C. Jaramillo | Enterer: | C. Pimiento |
| Modifier: | M. Uhen | ||
| Created: | 2014-09-07 13:27:17 | Last modified: | 2018-11-24 12:54:25 |
| Access level: | the public | Released: | 2014-09-07 13:27:17 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 52631. | T. Uyeno, O. Sakamoto, and H. Sekine. 1989. Description of an almost complete tooth set of Cαrchαrodon megalodon from a Middle Miocene bed in Saitama Prefecture, Japan. Bulletin of the Saitama Museum of Natural History 7:73-85 [C. Jaramillo/C. Pimiento] |