Iwaki, Santonian: Santonian, Japan
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Chondrichthyes
- Rajiformes
- Sclerorhynchidae
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Ischyrhiza iwakiensis n. sp.
Uyeno and Hasegawa 1986
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1 specimen | ||||||
| synonym of Onchosaurus pharao | |||||||
| see common names | |||||||
Geography
| Country: | Japan | State/province: | Fukushima |
| Coordinates: | 37.1° North, 140.9° East (view map) | ||
| Paleocoordinates: | 48.6° North, 130.9° East | ||
| Basis of coordinate: | estimated from map |
Time
| Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
| Stage: | Santonian | 10 m.y. bin: | Cretaceous 6 |
| Key time interval: | Santonian | Inoceramid zone: | Inoceramus amakusensis |
| Age range of interval: | 86.30000 - 83.60000 m.y. ago |
Stratigraphy
Lithology and environment
| Primary lithology: | not reported |
| Environment: | marine indet. |
Taphonomy
Collection methods and comments
| Reason for describing collection: | general faunal/floral analysis |
Metadata
| Database number: | 91414 | ||
| Authorizer: | M. Uhen | Enterer: | M. Uhen | Research group: | vertebrate |
| Created: | 2009-09-21 12:51:46 | Last modified: | 2009-09-21 15:51:46 |
| Access level: | the public | Released: | 2009-09-21 12:51:46 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 30782. | T. Uyeno and Y. Hasegawa. 1986. A new Cretaceous ganopristoid sawfish of the genus Ischyrhiza from Japan. Bulletin of the National Science Museum Tokyo, Series C 12(2):67-72 [M. Uhen/M. Uhen] |