Rifu, Tohoku Railway Line, Matsushima-cho, Miyagi-gun: Illyrian, Japan
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Cephalopoda
- Ceratitida
- Ceratitidae
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Paraceratites orientalis n. sp.
Yabe and Shimizu 1927
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| see common names | ||||||||||
Geography
| Country: | Japan |
| Coordinates: | 38.3° North, 141.0° East (view map) |
| Paleocoordinates: | 6.4° North, 139.7° East (Wright 2013) |
| Basis of coordinate: | based on nearby landmark |
| Geographic resolution: | outcrop |
Time
| Period: | Triassic | Epoch: | Middle Triassic |
| Stage: | Anisian | 10 m.y. bin: | Triassic 2 |
| Key time interval: | Illyrian | Ammonoid zone: | Paraceratites trinodosus |
| Age range of interval: | 243.43 - 241.464 m.y. ago |
Stratigraphy
| Formation: | Rifu |
| Stratigraphic resolution: | group of beds |
Lithology and environment
| Primary lithology: | lithified "siliciclastic" |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | mold/impression |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | taxonomic analysis |
Metadata
| Database number: | 101738 | ||
| Authorizer: | M. Clapham | Enterer: | M. Clapham |
| Modifier: | M. Clapham | Research group: | marine invertebrate |
| Created: | 2010-12-31 16:52:06 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2010-12-31 16:52:06 |
| Creative Commons license: | CC0 |
Reference information
Primary reference:
| 33437. | Y. Bando. 1964. The Triassic stratigraphy and ammonite fauna of Japan. Science Reports of the Tohoku University. Second Series, Geology 36:1-137 [M. Clapham/M. Clapham/M. Clapham] |