Shiobara, Shiobara-machi, Tochigi Prefecture (SFMA collection): Chibanian, Japan
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Insecta
- Odonata
- Gomphidae
|
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| Sato et al. 2022 | 10 specimens | |||||||||
| SFMA0391, 0392, 0393, 0395, 0396, 0397, 0398, 0399, 0702, 0702 | ||||||||||
|
Insecta
- Hymenoptera
- Ichneumonidae
|
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| Takahashi et al. 2024 | 1 specimen | |||||||||
| SFMA0091 | ||||||||||
| Takahashi et al. 2024 | 1 specimen | |||||||||
| SFMA0673 | ||||||||||
| Takahashi et al. 2024 | 1 specimen | |||||||||
| SFMA0738 | ||||||||||
| Takahashi et al. 2024 | 1 specimen | |||||||||
| SFMA0086 | ||||||||||
| Takahashi et al. 2024 | 1 specimen | |||||||||
| SFMA0097 | ||||||||||
| Takahashi et al. 2024 | 1 specimen | |||||||||
| SFMA0669 | ||||||||||
|
Pimplinae indet.
Wesmael 1845
|
Takahashi et al. 2024 | 1 specimen | ||||||||
| SFMA0087 | ||||||||||
| Takahashi et al. 2024 | 1 specimen | |||||||||
| SFMA0672 | ||||||||||
| Takahashi et al. 2024 | 1 specimen | |||||||||
| SFMA0085 | ||||||||||
| Takahashi et al. 2024 | 1 specimen | |||||||||
| SFMA0657 | ||||||||||
|
Aptesini indet.
Smith and Shenefelt 1955
|
Takahashi et al. 2024 | 1 specimen | ||||||||
| SFMA0098 | ||||||||||
| Takahashi et al. 2024 | 1 specimen | |||||||||
| SFMA0099 | ||||||||||
| Takahashi et al. 2024 | 1 specimen | |||||||||
| SFMA0089 | ||||||||||
| Takahashi et al. 2024 | 1 specimen | |||||||||
| SFMA0084 | ||||||||||
| Takahashi et al. 2024 | 1 specimen | |||||||||
| SFMA0095 | ||||||||||
| Takahashi et al. 2024 | 1 specimen | |||||||||
| SFMA0343 | ||||||||||
|
Insecta
- Hymenoptera
- Formicidae
|
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|
Camponotus sp.
Mayr 1861
|
Takahashi and Aiba 2023 | 1 specimen | ||||||||
| SFMA0652 | ||||||||||
|
Lasius sp.
Fabricius 1805
|
Takahashi and Aiba 2023 | 3 specimens | ||||||||
| SFMA0096, 0651, 0383 | ||||||||||
|
Insecta
- Hymenoptera
- Tenthredinidae
|
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| Takahashi et al. 2025 | 1 specimen | |||||||||
| SFMA0094 (Siricidae indet. in Aiba 2015) | ||||||||||
| Takahashi et al. 2025 | 1 specimen | |||||||||
| SFMA0650 | ||||||||||
| Takahashi et al. 2025 | 1 specimen | |||||||||
| SFMA0344 | ||||||||||
|
Insecta
- Coleoptera
- Psephenidae
|
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| 2 specimens | ||||||||||
| SFMA0380, 0696 | ||||||||||
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Psepheninae indet.
Lacordaire 1854
|
1 specimen | |||||||||
| SFMA0381 | ||||||||||
|
Insecta
- Diptera
- Sciaridae
|
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| Aiba and Menzel 2026 | 40 specimens | |||||||||
| (70 measurements) | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Japan |
| Coordinates: | 37.0° North, 139.8° East (view map) |
| Paleocoordinates: | |
| Basis of coordinate: | based on nearby landmark |
| Geographic resolution: | outcrop |
Time
| Period: | Quaternary | Epoch: | Pleistocene |
| Stage: | Chibanian | 10 m.y. bin: | Cenozoic 6 |
| Key time interval: | Chibanian | ||
| Age range of interval: | 0.774 - 0.129 m.y. ago |
Lithology and environment
| Primary lithology: | lithified mudstone | ||
| Environment: | crater lake | Tectonic setting: | volcanic basin |
| Geology comments: Caldera-fill lake | |||
Taphonomy
| Modes of preservation: | adpression |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis |
| Collection method comments: Repository: Konoha Fossil Museum (SFMA) | |
Metadata
| Database number: | 211426 | ||
| Authorizer: | M. Clapham | Enterer: | M. Clapham |
| Modifier: | M. Clapham | Research group: | paleoentomology |
| Created: | 2020-07-16 15:40:56 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2020-07-16 15:40:56 |
| Creative Commons license: | CC0 |
Reference information
Primary reference:
| 73062. | M. Hayashi, H. Aiba, E. Nakano, Y. Takahashi, and T. Sato. 2020. Fossilized water pennies (Coleoptera: Psephenidae) in the Middle Pleistocene lake deposits in Shiobara site, Tochigi Prefecture, Japan. Japanese Journal of Systematic Entomology 26:84-86 [M. Clapham/M. Clapham] |
Secondary references:
| 94606 | H. Aiba and F. Menzel. 2026. Discovered in Sciara Meigen (Diptera, Sciaridae): two preoccupied names and a remarkable new species from the Middle Pleistocene Shiobara Group in Japan. Paleontological Research 30:46-65 [M. Clapham/M. Clapham] | |
| 84128 | Y. Sato, H. Aiba, N. Oyama, Y. Takahashi, and T. Sato. 2022. Odonata fossil larvae from Nasushiobara City, Tochigi Prefecture. Bulletin of Tokyo Gakugei University, Division of Natural Sciences 74:37-49 [M. Clapham/M. Clapham] | |
| 86394 | Y. Takahashi and H. Aiba. 2023. Winged formicine ant fossils (Hymenoptera, Formicidae) from the Chibanian (Middle Pleistocene) Shiobara Group, Tochigi Prefecture, Japan. Journal of the Geological Society of Japan 129:573-578 [M. Clapham/M. Clapham] | |
| 90094 | Y. Takahashi, G. R. Broad, T. Spasojevic and H. Aiba. 2024. Fossil Darwin wasps (Hymenoptera, Ichneumonidae) from the Middle Pleistocene Shiobara Group, Tochigi Prefecture, Japan. Paleontological Research 28:497-518 [M. Clapham/M. Clapham] | |
| 91954 | Y. Takahashi, N. Oyama, and H. Aiba. 2025. Tenthredinid sawfly (Hymenoptera, Symphyta) fossils from the Chibanian (Middle Pleistocene) Shiobara Group, Tochigi Prefecture, Japan. The Journal of the Geological Society of Japan 131:71-76 [M. Clapham/M. Clapham] |