Koguchi, Kuma 10, sample TC 2: Carnian, Japan
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Polycystinea
- Nassellaria
- Ruesticyrtiidae
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Xiphotheca sp.
De Wever 1979
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| see common names | |||||||
Geography
| Country: | Japan |
| Coordinates: | 32.3° North, 130.6° East (view map) |
| Paleocoordinates: | 16.2° North, 133.5° East (Wright 2013) |
| Geographic resolution: | hand sample |
Time
| Period: | Triassic | Epoch: | Late Triassic |
| Stage: | Carnian | 10 m.y. bin: | Triassic 3 |
| Key time interval: | Carnian | ||
| Age range of interval: | 237 - 227.3 m.y. ago |
Stratigraphy
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: Age based on radiolarians and conodonts | |||||
Lithology and environment
| Primary lithology: | lithified chert | ||
| Lithology description: ribbon chert | |||
| Environment: | basinal (siliceous) | Tectonic setting: | deep ocean basin |
Taphonomy
| Size of fossils: | microfossils |
| Preservation of anatomical detail: | medium |
Collection methods and comments
| Collection methods: | chemical,hydroflouric,field collection |
| Reason for describing collection: | biostratigraphic analysis |
Metadata
| Database number: | 77126 | ||
| Authorizer: | W. Kiessling | Enterer: | W. Kiessling | Research group: | micropaleontology |
| Created: | 2007-12-21 06:32:54 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | authorizer only | Released: | 2009-12-21 06:32:54 |
| Creative Commons license: | CC0 |
Reference information
Primary reference:
| 26108. | T. Onoue and H. Sano. 2007. Triassic mid-oceanic sedimentation in Panthalassa Ocean: Sambosan accretionary complex, Japan. Island Arc 16(1):173-190 [W. Kiessling/W. Kiessling] |