Hosoura port, Minamisanriku Town, Miyagi Prefecture: Early Sinemurian, Japan
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Cephalopoda
- Belemnitida
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| 9 specimens | |||||||
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Cephalopoda
- Belemnitida
- Nipponoteuthidae
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Nipponoteuthis katana n. gen., n. sp.
Iba et al. 2014
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33 specimens | ||||||
| see common names | |||||||
Geography
| Country: | Japan |
| Coordinates: | 38.7° North, 141.5° East (view map) |
| Paleocoordinates: | 50.7° North, 172.6° East (Wright 2013) |
| Basis of coordinate: | stated in text |
| Geographic resolution: | outcrop |
Time
| Period: | Jurassic | Epoch: | Early Jurassic |
| Stage: | Sinemurian | 10 m.y. bin: | Jurassic 1 |
| Key time interval: | Early Sinemurian | Ammonoid zone: | Arnioceras yokoyamai |
| Age range of interval: | 199.5 - 192.9 m.y. ago |
Stratigraphy
Lithology and environment
| Primary lithology: | pebbly lithified muddy sandstone |
| Lithology description: Sandstone with mud matrix. Belemnites found in pebbly lag deposits. | |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | taxonomic analysis |
| Collection method comments: Repository: University Museum, Hokkaido University, Japan (UHR) | |
Metadata
| Database number: | 156003 | ||
| Authorizer: | M. Clapham | Enterer: | M. Clapham |
| Modifier: | M. Clapham | Research group: | marine invertebrate |
| Created: | 2014-05-06 23:52:10 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2014-05-06 23:52:10 |
| Creative Commons license: | CC0 |
Reference information
Primary reference:
| 51080. | Y. Iba, S. I. Sano, and J. Mutterlose. 2014. The early evolutionary history of belemnites: new data from Japan. PLoS One 9(5):e95632 [M. Clapham/M. Clapham] |