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
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Osteichthyes
- Testudines
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Testudines indet.
(Batsch 1788)
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Osteichthyes
- Crocodylidae
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Tomistominae indet.
Eastman 1902
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| more than a thousand skeletal fragments (Hamamatsu City History Museum) | ||||||||||
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= Crocodylidae indet.
Cuvier 1807
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Iijima et al. 2018 | |||||||||
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Osteichthyes
- Carnivora
- Mustelidae
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Lutrinae indet.
Baird 1857
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unclassified
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Osteichthyes
- Cypriniformes
- Cyprinidae
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unclassified
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| 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] |