Tatsunokuchi gorge below the bridge: Zanclean, Japan
collected by K. Masuda 1963

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Chondrichthyes - Myliobatiformes - Myliobatidae
1 specimen
IGPS 85998
see common names

Geography
Country:Japan
Coordinates: 38.3° North, 140.9° East (view map)
Paleocoordinates:38.1° North, 140.0° East (Wright 2013)
Basis of coordinate:based on nearby landmark
Geographic resolution:outcrop
Time
Period: Neogene Epoch: Pliocene
Stage: Zanclean 10 m.y. bin: Cenozoic 6
Key time interval: Zanclean
Age range of interval: 5.333 - 3.6 m.y. ago
Stratigraphy
Formation:Tatsunokuchi
Stratigraphic resolution:group of beds
Stratigraphy comments: Lower part of the Tatsunokuchi
Lithology and environment
Primary lithology: not reported
Environment:marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:taxonomic analysis
Collectors:K. Masuda Collection dates:1963
Collection method comments: Repository: Institute of Geology and Paleontology, Tokohu University (IGPS)
Metadata
Database number:278459
Authorizer:M. Clapham Enterer:M. Clapham
Research group:vertebrate
Created:2026-03-23 22:58:25 Last modified:2026-03-23 22:58:25
Access level:the public Released:0000-00-00 00:00:00
Creative Commons license:
Reference information

Primary reference:

94397. K. Hatai, M. Murata, and K. Masuda. 1965. A sting ray and eagle ray from the Tatsunokuchi Formation (Pliocene) in Sendai City, Miyagi Prefecture, Japan. Transactions and Proceedings of the Palaeontological Society of Japan 57:34-37 [M. Clapham/M. Clapham]