Wakamatsu: Chattian, Japan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Osteichthyes - Sirenia - Dugongidae
Osteichthyes - Cetacea - Patriocetidae
This specimen was reported in Matsumoto (1923), but there was no pictures or illustrations. The original specimen was already lost.
Osteichthyes - Cetacea - Squalodontidae
Osteichthyes - Cetacea
Osteichthyes - Suliformes - Plotopteridae
Osteichthyes - Testudines
Chelonia indet. (Latreille 1800)
see common names

Geography
Country:Japan State/province:Fukuoka County:Kitakyushu
Coordinates: 33.9° North, 130.7° East (view map)
Paleocoordinates:35.1° North, 127.7° East (Wright 2013)
Basis of coordinate:estimated from map
Time
Period: Paleogene Epoch: Oligocene
Stage: Chattian 10 m.y. bin: Cenozoic 4
Key time interval: Chattian
Age range of interval: 27.3 - 23.04 m.y. ago
Stratigraphy
Geological group:Ashiya
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
Metadata
Database number:45834
Authorizer:M. Uhen Enterer:M. Uhen
Modifier:K. Matsui Research group:vertebrate
Created:2004-12-07 12:19:19 Last modified:2025-02-22 15:12:02
Access level:the public Released:2004-12-07 12:19:19
Creative Commons license:CC0
Reference information

Primary reference:
12179. Y. Okazaki. 1987. Additional materials of Metasqualodon symmetricus (Cetacea: Mammalia) from the Oligocene Ashiya Japan. Bulletin of the Kitakyushu Museum of Natural History 7:133-138 [M. Uhen/M. Uhen/M. Uhen]

Secondary references:

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]
14506 Y. Okazaki. 1992. On a new Mauicetus (Cetacea, Mysticeti) skeleton from Kyushu, Japan. International Geological Congress, Abstracts 29:348-348 [M. Uhen/M. Uhen/M. Uhen]