Masuzawa, Utatsu: Spathian, Japan
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Chondrichthyes
- Hybodontiformes
- Hybodontidae
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Hybodus sp.
Agassiz 1834
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| see common names | |||||||
Geography
| Country: | Japan |
| Coordinates: | 38.7° North, 141.5° East (view map) |
| Paleocoordinates: | 38.5° North, 118.7° East |
| Basis of coordinate: | stated in text |
| Geographic resolution: | outcrop |
Time
| Period: | Triassic | Epoch: | Early/Lower Triassic |
| Stage: | Olenekian | 10 m.y. bin: | Triassic 1 |
| Key time interval: | Spathian | ||
| Age range of interval: | 248.90000 - 247.20000 m.y. ago |
Stratigraphy
| Formation: | Osawa |
| Stratigraphic resolution: | group of beds |
Lithology and environment
| Primary lithology: | lithified "shale" |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | mesofossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis |
Metadata
| Database number: | 149419 | ||
| Authorizer: | M. Clapham | Enterer: | M. Clapham | Research group: | vertebrate |
| Created: | 2013-08-04 14:35:14 | Last modified: | 2013-11-25 13:02:06 |
| Access level: | the public | Released: | 2013-08-04 14:35:14 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 47869. | T. Kato, K. Hasegawa, and T. Ishibashi. 1995. Discovery of Early Triassic hybodontoid shark tooth from the southern Kitakami Massif. Journal of the Geological Society of Japan 101:466-469 [M. Clapham/M. Clapham] |