Katsuyama (UF) Section, Inuyama, KARE+7: Early Hettangian, Japan
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Protozoa
- Entactinaria
- Eptingiidae
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Protozoa
- Xiphostylidae
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Polycystinea
- Spumellaria
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Polycystinea
- Spumellaria
- Pantanelliidae
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Pantanellium tanuense
Pessagno and Blome 1980
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Polycystinea
- Spumellaria
- Hagiastridae
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Polycystinea
- Nassellaria
- Livarellidae
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Livarella sp.
Kozur and Mostler 1981
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Polycystinea
- Nassellaria
- Hsuidae
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Parahsuum sp.
Yao 1982
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Polycystinea
- Nassellaria
- Deflandrecyrtiidae
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Polycystinea
- Nassellaria
- Ultranaporidae
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| Jurassic type Bipedis | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Japan |
| Coordinates: | 35.4° North, 136.9° East (view map) |
| Paleocoordinates: | 50.6° North, 164.4° East (Wright 2013) |
| Basis of coordinate: | based on nearby landmark |
| Geographic resolution: | outcrop |
Time
| Period: | Jurassic | Epoch: | Early Jurassic |
| Stage: | Hettangian | 10 m.y. bin: | Jurassic 1 |
| Key time interval: | Early Hettangian | Zone: | Pantanellium tanuense |
| Age range of interval: | 201.4 - 199.5 m.y. ago |
Stratigraphy
| Stratigraphic resolution: | group of beds |
Lithology and environment
| Primary lithology: | red or brown lithified chert | ||
| Secondary lithology: | lithified "shale" | ||
| Includes fossils? | Y | ||
| Lithology description: rythmically alternating sequence of red-brown chert and shale beds | |||
| Environment: | basinal (siliceous) | Tectonic setting: | deep ocean basin |
Taphonomy
| Modes of preservation: | body,original silica |
| 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: | 54228 | ||
| Authorizer: | W. Kiessling | Enterer: | M. Riess |
| Modifier: | A. Kocsis | Research group: | micropaleontology |
| Created: | 2005-09-27 03:12:51 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2005-09-27 03:12:51 |
| Creative Commons license: | CC0 |
Reference information
Primary reference:
| 14663. | E. S. Carter and R. S. Hori. 2005. Global correlation of the radiolarian faunal change across the Triassic-Jurassic boundary. Canadian Journal of Earth Sciences 42(5):777-790 [W. Kiessling/M. Riess] |