Kinshozan Mountain fissure, Akasaka: Capitanian, Japan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Ostracoda - Platycopida - Cavellinidae
1 specimen
(2 measurements)
Ostracoda - Podocopida - Bairdiidae
11 specimens
(1 measurement)
8 specimens
(2 measurements)
7 specimens
(2 measurements)
96 specimens
(1 measurement)
Ostracoda - Podocopida - Acratiidae
22 specimens
(1 measurement)
6 specimens
(1 measurement)
Ostracoda - Palaeocopida - Kirkbyidae
2 specimens
5 specimens
(2 measurements)
Ostracoda - Palaeocopida - Ikeyaparchitidae
92 specimens
(7 measurements)
see common names

Geography
Country:Japan
Coordinates: 35.4° North, 136.6° East (view map)
Paleocoordinates:2.6° North, 130.8° East (Wright 2013)
Basis of coordinate:stated in text
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:Akasaka
Stratigraphic resolution:bed
Stratigraphy comments: All illustrated type specimens were collected from the unconsolidated mud at 14.3 m below the boundary between the Upper Member of the Akasaka Limestone and the Ichihashi Formation
Lithology and environment
Primary lithology:black poorly lithified mudstone
Environment:carbonate indet.
Taphonomy
Modes of preservation:body
Size of fossils:microfossils
Collection methods and comments
Collection excludes:some macrofossils
Collection methods:bulk,sieve,field collection
Minimum sieve size:0.063 Maximum sieve size:1.000
Reason for describing collection:taxonomic analysis
Collection method comments: Repositories: Micropaleontology Collection, National Museum of Nature and Science, Japan (MPC-number) and the Gunma Museum of Natural History, Japan (GMNH-PI-number).
Metadata
Database number:142029
Authorizer:M. Clapham Enterer:M. Clapham
Modifier:M. Clapham Research group:marine invertebrate
Created:2013-04-04 10:34:35 Last modified:2025-02-22 15:12:02
Access level:the public Released:2013-04-04 10:34:35
Creative Commons license:CC0
Reference information

Primary reference:
46135. G. Tanaka, T. Ono, T. Nishimura and H. Maeda. 2013. Middle Permian ostracods from the Akasaka Limestone, Gifu Prefecture, central Japan. Paleontological Research 16:289-306 [M. Clapham/M. Clapham/P. Wagner]