Ak-137, section 3, Akasaka: Wordian, Japan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Schubertellidae
Schwagerinidae
Boultoniidae
Dunbarula cascadensis (Thompson et al. 1950)
Neoschwagerinidae
see common names

Geography
Country:Japan
Coordinates: 35.4° North, 136.6° East (view map)
Paleocoordinates:5.5° North, 132.4° East (Wright 2013)
Basis of coordinate:estimated from map
Geographic resolution:outcrop
Time
Period: Permian Epoch: Guadalupian
Stage: Wordian 10 m.y. bin: Permian 3
Key time interval: Wordian Foram zone:  Neoschwagerina craticulifera
Age range of interval: 266.9 - 264.28 m.y. ago
Stratigraphy
Formation:Akasaka
Stratigraphic resolution:bed
Stratigraphy comments: Middle Member
Lithology and environment
Primary lithology:gray lithified "limestone"
Environment:shallow subtidal indet.
Taphonomy
Modes of preservation:body
Size of fossils:microfossils
Collection methods and comments
Collection methods:peel or thin section,field collection
Reason for describing collection:taxonomic analysis
Collection method comments: Repository: Museum of Nature and Human Activities, Hyogo, Japan (Fumio Kobayashi Collection).
Metadata
Database number:128772
Authorizer:M. Clapham Enterer:M. Clapham
Modifier:M. Clapham Research group:micropaleontology
Created:2012-06-17 00:43:54 Last modified:2025-02-22 15:12:02
Access level:the public Released:2012-06-17 00:43:54
Creative Commons license:CC0
Reference information

Primary reference:
42029. F. Kobayashi. 2011. Permian fusuline faunas and biostratigraphy of the Akasaka Limestone (Japan). Revue de Paléobiologie, Genève 30:431-574 [M. Clapham/M. Clapham]