Shiobara, Shiobara-machi, Tochigi Prefecture (SFMA collection): Middle Pleistocene, Japan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Insecta - Coleoptera - Psephenidae
Ectopria opaca (Kiesenwetter 1874)
2 specimens
SFMA0380, 0696
Psepheninae indet. Lacordaire 1854
1 specimen
SFMA0381
Insecta - Hymenoptera - Formicidae
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 - Odonata - Gomphidae
Sieboldius albardae Selys-Longchamps 1886
Sato et al. 2022 10 specimens
SFMA0391, 0392, 0393, 0395, 0396, 0397, 0398, 0399, 0702, 0702
see common names

Geography
Country:Japan
Coordinates: 37.0° North, 139.8° East (view map)
Paleocoordinates:37.0° North, 139.8° East
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: Middle Pleistocene
Age range of interval: 0.774 - 0.129 m.y. ago
Stratigraphy
Geological group:Shiobara Formation:Miyajima
Stratigraphic resolution:group of beds
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
Research group:paleoentomology
Created:2020-07-16 15:40:56 Last modified:2020-07-16 10:40:56
Access level:the public Released:2020-07-16 15:40:56
Creative Commons license:CC BY
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:

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]