R-13, Ryozen section, Mino Belt: Wuchiapingian - Changhsingian, Japan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Protozoa - Albaillellaria - Follicucullidae
Follicucullus spp. Ormiston and Babcock 1979
2 specimens
2 specimens
Protozoa - Albaillellaria - Albaillellidae
Neoalbaillella spp. Takemura and Nakaseko 1981
1 specimen
Neoalbaillella ornithoformis Takemura and Nakaseko 1981
1 specimen
Neoalbaillella optima Ishiga et al. 1982
2 specimens
28 specimens
Albaillella spp. Deflandre 1952
2 specimens
Albaillella levis Ishiga et al. 1982
188 specimens
Albaillella aff. levis Ishiga et al. 1982
3 specimens
see common names

Geography
Country:Japan
Coordinates: 35.3° North, 136.4° East (view map)
Paleocoordinates:0.7° North, 129.0° East (Wright 2013)
Basis of coordinate:estimated from map
Geographic resolution:hand sample
Time
Period: Permian Epoch: Lopingian
Stage: Wuchiapingian - Changhsingian 10 m.y. bin: Permian 4
Key time interval: Wuchiapingian - Changhsingian Zone:  Neoalbaillella optima and N. ornithoformis Assemblage Zones of Ishiga (1986)
Age range of interval: 259.857 - 251.902 m.y. ago
Stratigraphy
Stratigraphy comments: upper Wuchiapingian-Changhsingian
Lithology and environment
Primary lithology:gray,green lithified chert
Includes fossils?Y
Environment:basinal (siliceous) Tectonic setting:deep ocean basin
Taphonomy
Modes of preservation:body
Size of fossils:microfossils
Collection methods and comments
Reason for describing collection:biostratigraphic analysis
Metadata
Database number:130478
Authorizer:J. Pálfy Enterer:A. Kocsis
Created:2012-07-09 20:58:58 Last modified:2025-02-22 15:12:02
Access level:the public Released:2012-07-09 20:58:58
Creative Commons license:CC0
Reference information

Primary reference:
42248. K. Kuwahara. 1997. Evolutionary patterns of Late Permian Albaillella (Radiolaria) as seen in bedded chert sections in the Mino Belt, Japan. Marine Micropaleontology 30:65-78 [J. Pálfy/A. Kocsis]