Hanawa: Middle Miocene, Japan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Osteichthyes - Testudines - Geoemydidae
Ocadia sp. Gray 1870
Hirayama et al. 2026 1 specimen
FM-N2 0 2 4 0 0 0 0 3 , housed in the Fukushima Prefectural Museum
Osteichthyes - Cetacea - Balaenopteridae
Bivalvia - Cardiida - Tellinidae
Macoma incongrua (Martens 1865)
Bivalvia - Arcida - Arcidae
Bivalvia - Ostreida - Ostreidae
see common names

Geography
Country:Japan State/province:Fukushima
Coordinates: 36.9° North, 140.4° East (view map)
Paleocoordinates:36.8° North, 138.0° East (Wright 2013)
Basis of coordinate:estimated from map
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
Formation:Kubota
Stratigraphic resolution:formation
Lithology and environment
Primary lithology: not reported
Environment:deep-water indet.
Geology comments: open marine conditions, roughly 100m in depth
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:general faunal/floral analysis
Metadata
Database number:55660
Authorizer:M. Uhen, E. Vlachos Enterer:M. Uhen, E. Vlachos
Modifier:B. Shipps Research group:vertebrate
Created:2005-11-02 06:50:31 Last modified:2025-02-22 15:12:02
Access level:the public Released:2005-11-02 06:50:31
Creative Commons license:CC0
Reference information

Primary reference:
15030. M. Kimura. 1988. Discovery of Balaenoptera cf. borealis from the Middle Miocene in the Fukushima Prefecture. Journal of the Geological Society of Japan 94(10):783-784 [M. Uhen/M. Uhen]

Secondary references:

94778 R. Hirayama, H. Inose, Y. Tsuchiya, H. Fujita, H. Uno, H. Nakaya, T. Kubo, Y. Oishi, Y. Wahino and K. Kiyokawa. 2026. A new turtle remain（Geoemydidae; Testudines）from the Miocene Kubota Formnation in Hanawa Town, Fukushima Prefecture, Eastern Japan. Fukushima Prefectural Museum Bulletin 40(3):1-11 [E. Vlachos/E. Vlachos]
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]