Okodzu: Tortonian, Japan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Osteichthyes - Cetacea
1 specimen
Matsumoto 1926
see common names

Geography
Country:Japan State/province:Niigata
Coordinates: 34.8° North, 139.4° East (view map)
Paleocoordinates:34.4° North, 137.7° East (Wright 2013)
Basis of coordinate:estimated from map
Time
Period: Neogene Epoch: Miocene
Stage: Tortonian 10 m.y. bin: Cenozoic 6
Key time interval: Tortonian
Age range of interval: 11.63 - 7.246 m.y. ago
Stratigraphy
Formation:Shiiya
Stratigraphic resolution:formation
Lithology and environment
Primary lithology: sandstone
Includes fossils?Y
Lithology description: a sandstone bed
Environment:marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:taxonomic analysis
Metadata
Database number:46042
Authorizer:M. Uhen Enterer:M. Uhen
Modifier:M. Uhen Research group:vertebrate
Created:2004-12-22 06:41:44 Last modified:2025-02-22 15:12:02
Access level:the public Released:2004-12-22 06:41:44
Creative Commons license:CC0
Reference information

Primary reference:

49539. H. Matsumoto. 1923. Mammalian horizons of the Japanese Tertiary: Revised stratigraphically and the interrelationship of the terrestrial and marine deposits. Proceedings of the Pan-Pacific Science Congress 2:887-896 [M. Uhen/M. Uhen]

Secondary references:

12274 H. Matsumoto. 1926. On some fossil cetaceans of Japan. Science Reports of the Tohoku Imperial University Second Series (Geology) 10(1):17-27 [M. Uhen/M. Uhen/M. Uhen]