KA: -121, KA log of UF section, Katsuyama: Late Pliensbachian, Japan
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Polycystinea
- Nassellaria
- Hsuidae
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Parahsuum ovale
Hori and Yao 1988
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Parahsuum simplum
Yao 1982
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| see common names | |||||||
Geography
| Country: | Japan |
| Coordinates: | 35.4° North, 136.9° East (view map) |
| Paleocoordinates: | 46.6° North, 164.3° East (Wright 2013) |
| Basis of coordinate: | estimated from map |
| Geographic resolution: | hand sample |
Time
| Period: | Jurassic | Epoch: | Early Jurassic |
| Stage: | Pliensbachian | 10 m.y. bin: | Jurassic 2 |
| Key time interval: | Late Pliensbachian | Other zone: | Parahsuum simplum assemblage zone |
| Age range of interval: | 192.9 - 184.2 m.y. ago |
Stratigraphy
| Stratigraphy comments: 393 cm below base of white massive chert bed. (by Gorican et al., 2006)
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Lithology and environment
| Primary lithology: | gray lithified chert |
| Includes fossils? | Y |
| Environment: | basinal (siliceous) |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | microfossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis |
Metadata
| Database number: | 124794 | ||
| Authorizer: | J. Pálfy | Enterer: | A. Kocsis |
| Modifier: | A. Kocsis | ||
| Created: | 2012-02-24 02:37:31 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2012-02-24 02:37:31 |
| Creative Commons license: | CC0 |
Reference information
Primary reference:
| 40387. | M. Takeuchi. 2001. Morphologic study of multicyrtid Nassellaria (Radiolaria) from the Lower Jurassic bedded cherts in the Inuyama Area, Mino Terrane, Central Japan. News of Osaka Micropaleontologists, Special Volume 12:181-189 [J. Pálfy/A. Kocsis] |