Koguchi, Kuma 7, sample BC 27: Ladinian, Japan
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Protozoa
- Nassellaria
- Ruesticyrtiidae
|
|||||||
|
Yeharaia elegans
Nakaseko and Nishimura 1979
|
|||||||
|
Triassocampe postdeweveri
|
|||||||
|
Triassocampe deweveri
(Nakaseko and Nishimura 1979)
|
|||||||
|
Protozoa
- Nassellaria
- Monicastericidae
|
|||||||
|
Tubotriassocyrtis annulata
|
|||||||
|
Protozoa
- Nassellaria
- Planispinocyrtiidae
|
|||||||
|
Spinotriassocampe annulata
|
|||||||
|
Protozoa
- Entactinaria
- Hindeosphaeridae
|
|||||||
|
Pseudostylosphaera sp.
Kozur and Mostler 1981
|
|||||||
|
Pseudostylosphaera japonica
(Nakaseko and Nishimura 1979)
|
|||||||
|
Pseudostylosphaera compacta
(Nakaseko and Nishimura 1979)
|
|||||||
|
Pseudostylosphaera longispinosa
Kozur and Mostler 1981
|
|||||||
|
Protozoa
- Entactinaria
- Pentactinocarpidae
|
|||||||
|
Pentactinocarpus fusiformis
Dumitrica 1978
|
|||||||
|
Protozoa
- Spumellaria
- Oertlispongidae
|
|||||||
|
Oertlispongus cf. inaequispinosus
Dumitrica et al. 1980
|
|||||||
| see common names | |||||||
Geography
| Country: | Japan |
| Coordinates: | 32.3° North, 130.6° East (view map) |
| Paleocoordinates: | 39.3° North, 109.2° East |
| Geographic resolution: | hand sample |
Time
| Period: | Triassic | Epoch: | Middle Triassic |
| Stage: | Ladinian | 10 m.y. bin: | Triassic 2 |
| Key time interval: | Ladinian | ||
| Age range of interval: | 242.00000 - 237.00000 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 in volcaniclastic breccia | |||
| 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: | 77120 | ||
| Authorizer: | W. Kiessling | Enterer: | W. Kiessling | Research group: | micropaleontology |
| Created: | 2007-12-21 04:33:47 | Last modified: | 2007-12-21 06:33:47 |
| Access level: | authorizer only | Released: | 2009-12-21 04:33:47 |
| Creative Commons license: | CC BY |
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] |