Hachiman, Iki Island: Middle Miocene, Japan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Osteichthyes - Cypriniformes - Cyprinidae
1 specimen
Osteichthyes - Centrarchiformes - Sinipercidae
Yabumoto and Uyeno 2009
Yabumoto 2020 3 specimens
see common names

Geography
Country:Japan State/province:Nagasaki
Coordinates: 33.8° North, 129.7° East (view map)
Paleocoordinates:33.2° North, 127.5° East (Wright 2013)
Basis of coordinate:based on political unit
Geographic resolution:hand sample
Time
Period: Neogene Epoch: Miocene
10 m.y. bin: Cenozoic 5
Key time interval: Middle Miocene
Age range of interval: 15.98 - 11.63 m.y. ago
Stratigraphy
Geological group:Iki Formation:Chojabaru
Stratigraphy comments: "Tertiary" per Jordan; middle Miocene in Yabumoto and Sakamato 2010; 15.3 Ma pers. comm. from S. Kimura in Watanabe and Uyeno, 1999 cited by Yabumoto 2020. Not specified if from a single bed or group of beds
Lithology and environment
Primary lithology: diatomite
Lithology description: "grayish chalky rock" in Jordan 1919; diatomite in Yabumoto and Sakamoto
Environment:lacustrine indet.
Geology comments: freshwater
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:taxonomic analysis
Museum repositories:CAS
Metadata
Database number:201879
Authorizer:P. Holroyd Enterer:P. Holroyd
Modifier:P. Holroyd Research group:vertebrate
Created:2019-06-06 13:59:40 Last modified:2025-02-22 15:12:02
Access level:the public Released:2019-06-06 13:59:40
Creative Commons license:CC0
Reference information

Primary reference:
69115. D. S. Jordan. 1919. Description of a new fossil fish from Japan. Proceedings of the California Academy of Sciences 9(9):271-272 [P. Holroyd/P. Holroyd]

Secondary references:

76529 Y. Yabumoto. 2020. Siniperca ikikoku, a new species of freshwater percoid fish from the Miocene of Iki Island, Nagasaki, Japan. Paleontological Research 24(3):226-237 [P. Holroyd/P. Holroyd]
69116 Y. Yabumoto and Y. Sakamoto. 2010. Revision of Iquius nipponicus Jordan 1919 (Teleostei: Cyprinidae) from the Miocene of Iki Island, Nagasaki, Japan and its phylogenetic position. Ichthyological Researcj 57(3):286-297 [P. Holroyd/P. Holroyd]
69117 Y. Yabumoto and T. Uyeno. 2009. Coreoperca maruoi, a new species of freshwater percoid fi sh from the Miocene of Iki Island, Nagasaki, Japan. Bulletin of the Kitakyushu Museum of Natural History and Human History, Series A 7:103-112 [P. Holroyd/P. Holroyd]