Naka: Serravallian - Tortonian, Japan

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

Geography
Country:Japan State/province:Ibaraki
Coordinates: 36.5° North, 140.4° East (view map)
Paleocoordinates:36.2° North, 138.2° East (Wright 2013)
Basis of coordinate:estimated from map
Time
Period: Neogene Epoch: Miocene
Stage: Serravallian - Tortonian 10 m.y. bin: Cenozoic 5 - Cenozoic 6
Key time interval: Serravallian - Tortonian
Age range of interval: 13.82 - 7.246 m.y. ago
Stratigraphy
Formation:Urizura
Stratigraphy comments: Denticulopsis praedimorpha zone
Lithology and environment
Environment:marine indet.
Taphonomy
Collection methods and comments
Reason for describing collection:general faunal/floral analysis
Metadata
Also known as:Naka-machi
Database number:66905
Authorizer:M. Uhen Enterer:M. Uhen
Research group:vertebrate
Created:2006-10-23 10:39:22 Last modified:2025-02-22 15:12:02
Access level:the public Released:2006-10-23 10:39:19
Creative Commons license:CC0
Reference information

Primary reference:

19039. T. Kimura, Y. Hasegawa, and L. G. Barnes. 2006. Fossil sperm whales (Cetacea, Physeteridae) from Gunma and Ibaraki prefectures, Japan; with observations on the Miocene fossil sperm whale Scaldicetus shigensis Hirota and Barnes, 1995. Bulletin of the Gunma Museum of Natural History 10:1-23 [M. Uhen/M. Uhen]