Entrance of Shuchikujo, Isa-machi, Miné City: Kashirian - Podolskian, Japan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Rostroconchia - Conocardiida - Arceodomidae
Fusulinidae
see common names

Geography
Country:Japan County:Yamaguchi
Coordinates: 34.2° North, 131.3° East (view map)
Paleocoordinates:
Basis of coordinate:stated in text
Geographic resolution:outcrop
Time
Period: Carboniferous Epoch: Pennsylvanian
Stage: Moscovian 10 m.y. bin: Carboniferous 4
Key time interval: Kashirian - Podolskian Other zone:  Fusulinella biconica
Age range of interval: 313.8 - 308.9 m.y. ago
Stratigraphy
Formation:Akiyoshi
Stratigraphic resolution:formation
Stratigraphy comments: This probably has been split into a new formation by now.
Lithology and environment
Primary lithology:shelly/skeletal,gray "limestone"
Lithology description: It is light gray and somewhat recrystallized. The bioclasts such as crinoid ossicles and bryozoan remains occupy 45 percent of the whole volume and the recrystallized sparry calcite matrix the rest.
Environment:carbonate indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils,mesofossils,microfossils
Collection methods and comments
Collection excludes:some macrofossils
Reason for describing collection:taxonomic analysis
Taxonomic list comments:Fusulinella biconica (HAYASAKA) occurs abundantly and some gastropods and ammonoids are associated.
Metadata
Database number:167796
Authorizer:P. Wagner Enterer:P. Wagner
Modifier:P. Wagner Research group:marine invertebrate
Created:2015-04-02 11:18:12 Last modified:2025-02-22 15:12:02
Access level:the public Released:2015-04-02 11:18:12
Creative Commons license:CC0
Reference information

Primary reference:

16216. N. Nishida. 1968. A new species of Conocardium from the Carboniferous of Akiyoshi (Molluscan paleontology of the Akiyoshi Limestone Group - I). Transactions and Proceedings of the Palaeontological Society of Japan, New Series 69:207-210 [P. Wagner/P. Wagner]