AR3, Shigejisawa, Kamiyasse, Kesennuma City: Wordian, Japan
collected by H. Araki
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Lingulata
- Lingulida
- Discinidae
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Orbiculoidea jangarensis
Ustritsky 1960
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| (1 measurement) | ||||||||||
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= Orbiculoidea verum
Masunaga and Shiino 2021
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Masunaga and Shiino 2021 | |||||||||
| see common names | ||||||||||
Geography
| Country: | Japan | State/province: | Miyagi |
| Coordinates: | 39.0° North, 141.5° East (view map) | ||
| Paleocoordinates: | 23.9° North, 114.1° East | ||
| Basis of coordinate: | estimated from map | ||
| Geographic resolution: | outcrop |
Time
| Period: | Permian | Epoch: | Guadalupian |
| Stage: | Wordian | 10 m.y. bin: | Permian 4 |
| Key time interval: | Wordian | Foram zone: | Monodiexodina matsubaishi |
| Age range of interval: | 266.90000 - 264.28000 m.y. ago |
Stratigraphy
| Formation: | Kanokura | ||||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: Upper part of the lower Kanokura Formation | |||||
Lithology and environment
| Primary lithology: | fine,gray,green lithified sandstone |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | mold/impression |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis |
| Collectors: | H. Araki |
| Collection method comments: Repository: Kesennuma Board of Education (tentatively at Old Tsukitate Junior High School), Kesennuma City, Miyagi Prefecture | |
Metadata
| Database number: | 149790 | ||
| Authorizer: | M. Clapham | Enterer: | M. Clapham | Research group: | marine invertebrate |
| Created: | 2013-08-26 02:29:05 | Last modified: | 2013-08-25 11:29:05 |
| Access level: | the public | Released: | 2013-08-26 02:29:05 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 47974. | J. I. Tazawa and H. Araki. 2013. Four brachiopod species newly described from the Middle Permian of Kesennuma, South Kitakami Belt, northeast Japan. Science Reports, Niigata University (Geology) 28:1-14 [M. Clapham/M. Clapham] |
Secondary references:
| 77362 | M. Masunaga and Y. Shiino. 2021. Death or living assemblage? The Middle Permian discinid brachiopods in the Kamiyasse area, southern Kitakami Mountains, northeastern Japan. Paleontological Research 25:258-278 [M. Clapham/M. Clapham] |