Western coast of Niranohama: Lacian, Japan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Cephalopoda - Aulacoceratida - Aulacoceratidae
Miyagiteuthis nipponica (Shimizu and Mabuti 1941)
see common names

Geography
Country:Japan
Coordinates: 38.7° North, 141.5° East (view map)
Paleocoordinates:38.2° North, 151.8° East (Wright 2013)
Basis of coordinate:stated in text
Geographic resolution:outcrop
Time
Period: Triassic Epoch: Late Triassic
Stage: Norian 10 m.y. bin: Triassic 4
Key time interval: Lacian
Age range of interval: 227.3 - 215.38 m.y. ago
Stratigraphy
Geological group:Saragai Formation:Chonomori
Stratigraphic resolution:group of beds
Stratigraphy comments: Early Norian
Lithology and environment
Primary lithology: lithified sandstone
Environment:marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:taxonomic analysis
Collection method comments: Repository: Institute of Geology and Paleontology, Faculty of Science, Tohoku University
Metadata
Database number:239302
Authorizer:M. Clapham Enterer:M. Clapham
Research group:marine invertebrate
Created:2025-02-27 21:38:56 Last modified:2025-02-27 21:38:56
Access level:the public Released:2025-02-27 21:38:56
Creative Commons license:CC0
Reference information

Primary reference:

91143. S. Niko and M. Ehiro. 2018. Aulacocerid coleoids from the Triassic of the South Kitakami Belt, northeast Japan. Bulletin of the Tohoku University Museum 17:1-8 [M. Clapham/M. Clapham]