Raifukudai, Omine Town, Mine-Shi, Yamaguchi Prefecture: Capitanian, Japan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Rhynchonellata - Spiriferida - Brachythyrididae
Tazawa 2009
Rhynchonellata - Spiriferida - Spiriferellidae
Tazawa 2009
Strophomenata - Productida - Rugosochonetidae
    = Chonetinella krotovi Fredericks 1925
Tazawa 2009
see common names

Geography
Country:Japan
Coordinates: 34.2° North, 131.2° East (view map)
Paleocoordinates:3.8° North, 126.4° East (Wright 2013)
Basis of coordinate:estimated from map
Geographic resolution:outcrop
Time
Period: Permian Epoch: Guadalupian
Stage: Capitanian 10 m.y. bin: Permian 4
Key time interval: Capitanian
Age range of interval: 264.28 - 259.857 m.y. ago
Stratigraphy
Formation:Tsunemori
Stratigraphic resolution:group of beds
Stratigraphy comments: end of Guadalupian or at the beginning of Lopingian.
Lithology and environment
Primary lithology: lithified mudstone
Secondary lithology: lithified "limestone"
Lithology description: pebble-bearing black mudstones, with grain sizes from well-rounded to sub-rounded pebbles to subangular granules, poorly sorted; rocks include sandstone, mudstone, limestone and volcanics with brachiopods, crinoids, bryozoans and fusulinids
Environment:marine indet.
Geology comments: trench-fill deposits, formed by collisional collapse and accretion of the Akiyoshi Seamount
Taphonomy
Modes of preservation:cast,mold/impression
Size of fossils:macrofossils
Collection methods and comments
Collection excludes:difficult macrofossils
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Metadata
Database number:106732
Authorizer:M. Clapham Enterer:M. Clapham
Research group:marine invertebrate
Created:2011-03-29 02:29:31 Last modified:2025-02-22 15:12:02
Access level:the public Released:2011-03-29 02:29:31
Creative Commons license:CC0
Reference information

Primary reference:
33764. J. Yanagida. 1996. Permian brachiopods from the Tsunemori Formation, SW Japan, and their paleobiogeographic implication. In P. Copper, J. Jin (eds.), Brachiopods. Proceedings of the Third International Brachiopod Congress 313-315 [M. Clapham/M. Clapham/U. Merkel]

Secondary references:

33727 J. Tazawa. 2009. Brachiopods from the Upper Permian Tsunemori Formation of the Akiyoshi area, southwest Japan, and their tectonic implications. Paleontological Research 13:65-78 [M. Clapham/M. Clapham]