Tsuyama: Burdigalian, Japan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Osteichthyes - Cetacea
1 specimen
Kimura et al. 2008
Tanaka 2025 1 specimen
Osteichthyes - Perissodactyla - Paleoparadoxiidae
Hasegawa et al. 1995 1 specimen
Tsuyama Specimen
see common names

Geography
Country:Japan State/province:Okayama
Coordinates: 35.1° North, 134.0° East (view map)
Paleocoordinates:34.8° North, 131.3° East (Wright 2013)
Basis of coordinate:stated in text
Time
Period: Neogene Epoch: Miocene
Stage: Burdigalian 10 m.y. bin: Cenozoic 5
Key time interval: Burdigalian
Age range of interval: 20.45 - 15.98 m.y. ago
Stratigraphy
Geological group:Katsuta Formation:Yoshino
Stratigraphic resolution:formation
Stratigraphy comments: 17.9+-2.1 Ma. Age after Matsui & Kawabe (2015).
Lithology and environment
Primary lithology: not reported
Environment:estuary/bay
Geology comments: bay, shallow
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:general faunal/floral analysis
Metadata
Database number:76044
Authorizer:M. Uhen Enterer:M. Uhen
Modifier:B. Shipps Research group:vertebrate
Created:2007-11-09 07:34:33 Last modified:2025-02-22 15:12:02
Access level:database members Released:2008-02-09 07:34:33
Creative Commons license:CC0
Reference information

Primary reference:

12148. M. Oishi and Y. Hasegawa. 1995. A list of fossil cetaceans in Japan. The Island Arc 3:493-505 [M. Uhen/M. Uhen/M. Uhen]

Secondary references:

55804 Y. Hasegawa, Y. Taketani, H. Taru, O. Sakamoto, and M. Manabe. 1995. On sexual dimorphism in Paleoparadoxia tabatai. The Island Arc 3:513-521 [M. Uhen/M. Uhen/M. Clapham]
42999 T. Kimura, K. Tanabe, S. Tomida and Y. Hasegawa. 2008. A fossil cetothere from the Lower Miocene Yoshino Formation, Katsuta Group, Okayama, Japan. Bulletin of the Gunma Museum of Natural History 12:41-44 [M. Uhen/M. Uhen]
90707 Y. Tanaka. 2025. Whale fossils from the lower Miocene, Yoshino Formation, Katsuta Group, Okayama, Japan. Humans and Nature 35:60-66 [M. Uhen/M. Uhen]