Ohirayama Mine, Tosa Limestone Co.: Wordian, Japan
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Gastropoda
- Murchisoniina
- Gosseletinidae
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Glabrocingulum (Ananias) shikamai n. sp.
Nishida 1969
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Gastropoda
- Cycloneritida
- Neritopsidae
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Shikokuspira hamadai n. gen., n. sp.
Nishida 1969
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(1 measurement) | ||||||||||
Gastropoda
- Bellerophontida
- Bellerophontidae
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Bellerophon (Sorobanobaca) matsumotoi n. sp.
Nishida 1969
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(1 measurement) | ||||||||||
Bellerophon (Bellerophon) sp.
de Montfort 1808
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Gastropoda
- Naticopsidae
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Naticopsis sp.
M'Coy 1844
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see common names |
Geography
Country: | Japan | State/province: | Shikoku | County: | Kochi |
Coordinates: | 33.5° North, 133.3° East (view map) | ||||
Paleocoordinates: | 20.4° North, 105.6° East | ||||
Geographic resolution: | outcrop |
Time
Period: | Permian | Epoch: | Guadalupian |
Stage: | Wordian | 10 m.y. bin: | Permian 3 |
Key time interval: | Wordian | Foram zone: | Neoschwagerina craticulifera |
Age range of interval: | 268.80000 - 265.10000 m.y. ago |
Stratigraphy
Geological group: | Ohirayama | Formation: | Takaoka |
Local section: | Ohirayama Mine | Local bed: | 1-50 ft |
Local order: | bottom to top | ||
Stratigraphic resolution: | group of beds |
Lithology and environment
Primary lithology: | "limestone" |
Lithology description: massive limestone | |
Environment: | carbonate indet. |
Taphonomy
Modes of preservation: | body |
Size of fossils: | macrofossils |
Collection methods and comments
Collection excludes: | some microfossils |
Reason for describing collection: | taxonomic analysis |
Collection method comments: Fossils collected from weathered limestone from bottom beds of section. | |
Taxonomic list comments:Gastropods only. |
Metadata
Database number: | 149241 | ||
Authorizer: | P. Wagner | Enterer: | P. Wagner |
Modifier: | M. Clapham | Research group: | marine invertebrate |
Created: | 2013-07-31 03:22:45 | Last modified: | 2013-07-30 22:00:50 |
Access level: | the public | Released: | 2013-07-31 03:22:45 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
47774. | N. Nishida. 1969. Middle Permian gastropods from the Takoaka Formation of the Sakawa Basin, Kochi Prefecture, Shikoku, Japan. Saga Daigaku Kyoikugkuba Kenkyu-ronbunshu 17:81-104 [P. Wagner/P. Wagner] |