Sakamoto River Head: Miocene, Japan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Osteichthyes - Argentiniformes - Microstomatidae
Osteichthyes - Myctophiformes - Myctophidae
Diaphus sp. Eigenmann and Eigenmann 1890
see common names

Geography
Country:Japan State/province:Iwate
Coordinates: 39.7° North, 140.8° East (view map)
Paleocoordinates:39.5° North, 138.2° East (Wright 2013)
Basis of coordinate:based on nearby landmark
Geographic resolution:outcrop
Time
Period: Neogene Epoch: Miocene
10 m.y. bin: Cenozoic 5-6
Key time interval: Miocene
Age range of interval: 23.04 - 5.333 m.y. ago
Stratigraphy
Lithology and environment
Primary lithology: tuff
Secondary lithology: "shale"
Lithology description: They occur in a tuffite bed of the upper member which is composed of the alternation of light green colored tuffs and hard shales
Environment:marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:taphonomic analysis
Metadata
Database number:222602
Authorizer:M. Uhen Enterer:O. Alfaro
Created:2021-10-06 15:53:29 Last modified:2025-02-22 15:12:02
Access level:the public Released:2021-10-06 15:53:28
Creative Commons license:CC0
Reference information

Primary reference:
78317. J. Sato. 1962. Miocene Fishes from the western area of Shizukuishi Basin, Iwate Prefecture, Northeastern Japan. Earth Science: Journal of the Association for Geological Collaboration in Japan 59:1-29 [M. Uhen/O. Alfaro]