Yage, Inasa-cho, Hamamatsu City: Middle Pleistocene, Japan
collected by Geology Club of the Hamamatsu Kita High School 1968-1980

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Osteichthyes - Testudines
Testudines indet. (Batsch 1788)
Osteichthyes - Crocodylidae
Tomistominae indet. Eastman 1902
more than a thousand skeletal fragments (Hamamatsu City History Museum)
    = Crocodylidae indet. Cuvier 1807
Iijima et al. 2018
Osteichthyes - Carnivora - Mustelidae
Lutrinae indet. Baird 1857
unclassified
Osteichthyes - Cypriniformes - Cyprinidae
unclassified
see common names

Geography
Country:Japan
Coordinates: 34.7° North, 137.7° East (view map)
Paleocoordinates:
Basis of coordinate:estimated from map
Geographic resolution:small collection
Time
Period: Quaternary Epoch: Pleistocene
Stage: Chibanian 10 m.y. bin: Cenozoic 6
Key time interval: Middle Pleistocene
Age range of interval: 0.774 - 0.129 m.y. ago
Stratigraphy
Formation:Yage
Stratigraphic resolution:bed
Stratigraphy comments: ~ 0.4-0.3 Ma; below Yage tephra of the lower “Yage” Formation; F3 bed in the lower part of the Lower Yage Formation
Lithology and environment
Primary lithology: sandy claystone
Includes fossils?Y
Lithology description: Sandy clay
Environment:fluvial indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils,mesofossils
Collection methods and comments
Reason for describing collection:taxonomic analysis
Collectors:Geology Club of the Hamamatsu Kita High School Collection dates:1968-1980
Collection method comments: Hamamatsu City History Museum
Metadata
Also known as:Shizuoka Prefecture
Database number:193662
Authorizer:P. Mannion Enterer:P. Mannion
Modifier:P. Mannion Research group:vertebrate
Created:2018-06-01 06:48:39 Last modified:2025-02-22 15:12:02
Access level:the public Released:2018-06-01 06:48:39
Creative Commons license:CC0
Reference information

Primary reference:

72127. K. Nojima and J. Itoigawa. 2017. Tomistominae gen. et sp. indet. (Crocodylia: Crocodylidae) from the Lower Yage Formation (Middle Pleistocene) in Hamamatsu City, Shizuoka Prefecture, Japan. Bulletin of the Mizunami Fossil Museum 43:35-46 [A. Lin/A. Lin/P. Mannion]

Secondary references:

65770 M. Iijima, A. Momohara, Y. Kobayashi, S. Hayashi, T. Ikeda, H. Taruno, K. Watanabe, M. Tanimoto, and S. Furui. 2018. Toyotamaphimeia cf. machikanensis (Crocodylia, Tomistominae) from the Middle Pleistocene of Osaka, Japan, and crocodylian survivorship through the Pliocene-Pleistocene climatic oscillations. Palaeogeography, Palaeoclimatology, Palaeoecology 496:346-360 [P. Mannion/P. Mannion]