Iwaizaki, Member G, Hashikami Village, Motoyoshi County, Miyagi Prefecture: Capitanian, Japan
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Ostracoda
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| 8 specimens | ||||||||||
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Ostracoda
- Podocopida
- Bairdiidae
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| 2 specimens | ||||||||||
| (1 measurement) | ||||||||||
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Bairdiacypris deloi
Bradfield 1935
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1 specimen | |||||||||
| (1 measurement) | ||||||||||
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Bairdia eucurvia n. sp.
Ishizaki 1964
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4 specimens | |||||||||
| (2 measurements) | ||||||||||
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Bairdia cf. oklahomaensis
Harlton 1927
|
13 specimens | |||||||||
| (2 measurements) | ||||||||||
|
Bairdia nagaiwensis
Ishizaki 1963
|
2 specimens | |||||||||
| (1 measurement) | ||||||||||
| 11 specimens | ||||||||||
| (2 measurements) | ||||||||||
| 18 specimens | ||||||||||
| (3 measurements) | ||||||||||
|
Ostracoda
- Podocopida
- Microcheilinellidae
|
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| 17 specimens | ||||||||||
| (2 measurements) | ||||||||||
|
Ostracoda
- Palaeocopida
- Scrobiculidae
|
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| 63 specimens | ||||||||||
| (2 measurements) | ||||||||||
|
Ostracoda
- Palaeocopida
- Amphissitidae
|
||||||||||
| 23 specimens | ||||||||||
| (4 measurements) | ||||||||||
|
Amphissites centronotus
(Ulrich and Bassler 1906)
|
3 specimens | |||||||||
| (2 measurements) | ||||||||||
|
Ostracoda
- Palaeocopida
- Kirkbyidae
|
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|
Kirkbya multicresta n. sp.
Ishizaki 1964
|
8 specimens | |||||||||
| (2 measurements) | ||||||||||
| 8 specimens | ||||||||||
| (2 measurements) | ||||||||||
| 3 specimens | ||||||||||
| (2 measurements) | ||||||||||
| 3 specimens | ||||||||||
| (2 measurements) | ||||||||||
|
Kirkbya atolla n. sp.
Ishizaki 1964
|
8 specimens | |||||||||
| (2 measurements) | ||||||||||
|
Kirkbya magniforma n. sp.
Ishizaki 1964
|
5 specimens | |||||||||
| (1 measurement) | ||||||||||
|
Aurikirkbya formula n. sp.
Ishizaki 1964
|
2 specimens | |||||||||
| (2 measurements) | ||||||||||
| 7 specimens | ||||||||||
| (2 measurements) | ||||||||||
|
Ectodemites globosa n. sp.
Ishizaki 1964
|
2 specimens | |||||||||
| (2 measurements) | ||||||||||
|
Ostracoda
- Palaeocopida
- Hollinellidae
|
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| 4 specimens | ||||||||||
| (2 measurements) | ||||||||||
|
Ostracoda
- Platycopida
- Cavellinidae
|
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| 37 specimens | ||||||||||
| (3 measurements) | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Japan |
| Coordinates: | 38.8° North, 141.6° East (view map) |
| Paleocoordinates: | 3.8° North, 135.9° East (Wright 2013) |
| Basis of coordinate: | based on nearby landmark |
| Geographic resolution: | outcrop |
Time
| Period: | Permian | Epoch: | Guadalupian |
| Stage: | Capitanian | 10 m.y. bin: | Permian 4 |
| Key time interval: | Capitanian | Foram zone: | Lepidolina shiraiwensis |
| Age range of interval: | 264.28 - 259.857 m.y. ago |
Stratigraphy
Lithology and environment
| Primary lithology: | black lithified "limestone" |
| Environment: | carbonate indet. |
Taphonomy
| Modes of preservation: | body,replaced with silica |
| Size of fossils: | mesofossils,microfossils |
Collection methods and comments
| Collection methods: | chemical,acetic,field collection |
| Reason for describing collection: | taxonomic analysis |
Metadata
| Database number: | 109844 | ||
| Authorizer: | M. Clapham | Enterer: | M. Clapham | Research group: | marine invertebrate |
| Created: | 2011-05-28 14:40:55 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2011-05-28 14:40:55 |
| Creative Commons license: | CC0 |
Reference information
Primary reference:
| 33550. | K. Ishizaki. 1964. Middle Permian ostracodes from the Iwaizaki Limestone, northeast Japan. Science Reports of the Tohoku University. Second Series, Geology 36:139-160 [M. Clapham/M. Clapham/M. Clapham] |