Ohirayama Mine, Tosa Limestone Co.: Wordian, Japan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Gastropoda - Murchisoniina - Gosseletinidae
Glabrocingulum (Ananias) shikamai n. sp. Nishida 1969
Gastropoda - Cycloneritida - Neritopsidae
Shikokuspira hamadai n. gen., n. sp. Nishida 1969
(1 measurement)
Gastropoda - Bellerophontida - Bellerophontidae
Bellerophon (Sorobanobaca) matsumotoi n. sp. Nishida 1969
(1 measurement)
Bellerophon (Bellerophon) sp. de Montfort 1808
Gastropoda - Naticopsidae
Naticopsis sp. M'Coy 1844
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]