Gj-140: Changhsingian, Japan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Protozoa - Albaillellaria - Albaillellidae
Albaillella aff. levis Ishiga et al. 1982
Protozoa - Albaillellaria - Follicucullidae
Follicucullus scholasticus Ormiston and Babcock 1979
see common names

Geography
Country:Japan State/province:Aichi
Coordinates: 35.7° North, 137.0° East (view map)
Paleocoordinates:1.7° North, 131.3° East (Wright 2013)
Basis of coordinate:estimated from map
Time
Period: Permian Epoch: Lopingian
Stage: Changhsingian 10 m.y. bin: Permian 4
Key time interval: Changhsingian Other zone:  Neoalbaillella grypa
Age range of interval: 254.14 - 251.902 m.y. ago
Stratigraphy
Lithology and environment
Primary lithology: chert
Environment:basinal (siliceous)
Taphonomy
Modes of preservation:body,original silica
Size of fossils:microfossils
Collection methods and comments
Collection methods:bulk,field collection
Reason for describing collection:biostratigraphic analysis
Metadata
Database number:220783
Authorizer:W. Foster Enterer:W. Foster
Modifier:W. Foster Research group:micropaleontology
Created:2021-06-15 12:53:17 Last modified:2025-02-22 15:12:02
Access level:the public Released:2021-06-15 12:53:17
Creative Commons license:CC0
Reference information

Primary reference:
77163. A. Yao and K. Kuwahara. 1997. Radiolarian faunal change from Late Permian to Middle Triassic times (ぺルム紀新世から三畳紀中世にかけての放散虫群集の変遷). NOM, Spec 10:87-96 [W. Foster/W. Foster]