Ak-70, section 4, Akasaka: Wordian, Japan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Neoschwagerinidae
Gifuella amicula Honjo 1959
(3 measurements)
Boultoniidae
Dunbarula cascadensis (Thompson et al. 1950)
from plate caption (2 measurements)
Verbeekinidae
Armenina akasakensis (Thompson 1936)
(4 measurements)
Schwagerinidae
Parafusulina japonica (Guembel 1874)
(4 measurements)
(1 measurement)
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:128813
Authorizer:M. Clapham Enterer:M. Clapham
Research group:micropaleontology
Created:2012-06-17 02:01:15 Last modified:2025-02-22 15:12:02
Access level:the public Released:2012-06-17 02:01:15
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]