KY3, Hosoozawa valley, Kamiyasse: Sakmarian, Japan
collected by T. Shintani
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Rhynchonellata
- Athyridida
- Neoretziidae
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Hustedia indica
(Waagen 1883)
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| (1 measurement) | ||||||||||
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Rhynchonellata
- Athyridida
- Athyrididae
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Cleiothyridina sp.
Buckman 1906
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| (1 measurement) | ||||||||||
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Rhynchonellata
- Spiriferinida
- Spiriferellinidae
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Crenispirifer nakamurai
Tazawa and Shintani 2014
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| (2 measurements) | ||||||||||
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Spiriferellina sp.
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Spiriferellina nanbuensis n. sp.
Tazawa and Shintani 2014
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| (1 measurement) | ||||||||||
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Rhynchonellata
- Spiriferida
- Ingelarellidae
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Martiniopsis sp.
Waagen 1883
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Rhynchonellata
- Rhynchonellida
- Wellerellidae
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Uncinunellina sp.
Grabau 1932
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Strophomenata
- Productida
- Cyclacanthariidae
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Acritosia sp.
Cooper and Grant 1969
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| (1 measurement) | ||||||||||
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Strophomenata
- Productida
- Echinoconchidae
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? Echinoconchus sp.
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Strophomenata
- Orthotetida
- Derbyiidae
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Derbyia dorsosulcata
Liu and Waterhouse 1985
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| (1 measurement) | ||||||||||
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Derbyia yukisawensis
Tazawa and Shintani 2014
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| (1 measurement) | ||||||||||
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Strophomenata
- Orthotetida
- Meekellidae
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Orthothetina curvata
Ustritsky 1960
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Meekella sp.
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Meekella uralica
Tschernyschew 1902
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| (1 measurement) | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Japan |
| Coordinates: | 39.0° North, 141.5° East (view map) |
| Paleocoordinates: | 17.8° North, 108.1° East |
| Basis of coordinate: | stated in text |
| Geographic resolution: | small collection |
Time
| Period: | Permian | Epoch: | Cisuralian |
| Stage: | Sakmarian | 10 m.y. bin: | Permian 2 |
| Key time interval: | Sakmarian | ||
| Age range of interval: | 293.52000 - 290.10000 m.y. ago |
Stratigraphy
| Formation: | Nakadaira | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: About 33 m above the base of the Nakadaira Formation (equivalent in part to Sakamotozawa Formation). | |||||
Lithology and environment
| Primary lithology: | fine,medium,brown,gray lithified sandstone |
| Lithology description: Light grey-light brown, fine to medium-grained sandstone | |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | mold/impression |
| Size of fossils: | microfossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis |
| Collectors: | T. Shintani |
| Collection method comments: Repository: Department of Geology, Faculty of Science, Niigata University, with prefix NU-B (brachiopods). | |
Metadata
| Database number: | 157799 | ||
| Authorizer: | M. Clapham | Enterer: | M. Clapham | Research group: | marine invertebrate |
| Created: | 2014-07-04 10:57:04 | Last modified: | 2014-07-04 10:57:04 |
| Access level: | the public | Released: | 2014-07-04 10:57:04 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 51894. | J. I. Tazawa and T. Shintani. 2014. Early Permian (Sakmarian) brachiopods from Kamiyasse, South Kitakami Belt, northeast Japan. Science Reports, Niigata University (Geology) 29:13-41 [M. Clapham/M. Clapham] |