Nagara Dam construction site: Chibanian, Japan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Chondrichthyes - Lamniformes - Lamnidae
see common names

Geography
Country:Japan
Coordinates: 35.5° North, 140.2° East (view map)
Paleocoordinates:
Basis of coordinate:based on nearby landmark
Geographic resolution:outcrop
Time
Period: Quaternary Epoch: Pleistocene
Stage: Chibanian 10 m.y. bin: Cenozoic 6
Key time interval: Chibanian
Age range of interval: 0.774 - 0.129 m.y. ago
Stratigraphy
Geological group:Shimosa Formation:Jizodo
Stratigraphic resolution:group of beds
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:general faunal/floral analysis
Metadata
Database number:277718
Authorizer:M. Clapham Enterer:M. Clapham
Research group:vertebrate
Created:2026-02-07 17:38:36 Last modified:2026-02-07 17:38:36
Access level:the public Released:0000-00-00 00:00:00
Creative Commons license:
Reference information

Primary reference:

94153. M. Goto, T. Kikuchi, S. Sekimoto and T. Noma. 1984. Fossil teeth of the great white shark, Carcharodon carcharias, from the Kazusa and Shimosa Groups (Pliocene to Pleistocene) in Boso Peninsula and Shimosa Upland, central Japan. Earth Science (Chikyu Kagaku) 38:420-426 [M. Clapham/M. Clapham]