Rice field near Cape Seki: Aquitanian, Japan
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Insecta
- Hemiptera
- Urostylididae
|
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| Souma et al. 2024 | 1 specimen | |||||||||
| SGC0001 (2 measurements) | ||||||||||
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Insecta
- Hemiptera
- Cicadidae
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| 1 specimen | ||||||||||
| SGC0002 | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Japan |
| Coordinates: | 38.2° North, 138.4° East (view map) |
| Paleocoordinates: | 38.9° North, 135.1° East (Wright 2013) |
| Basis of coordinate: | stated in text |
| Geographic resolution: | outcrop |
Time
| Period: | Neogene | Epoch: | Miocene |
| Stage: | Aquitanian | 10 m.y. bin: | Cenozoic 5 |
| Key time interval: | Aquitanian | ||
| Age range of interval: | 23.04 - 20.45 m.y. ago |
Stratigraphy
| Formation: | Masaragawa | ||||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: Lower part of the Masaragawa Formation. An age of 24.1±2.4 Ma (Early Miocene) is obtained by the fission track of dacitic welded tuff of lower part of the Masaragawa Formation in Seki (Ganzawa, 1982). | |||||
Lithology and environment
| Primary lithology: | planar lamination,diatomaceous lithified siltstone |
| Lithology description: Laminated diatomaceous siltstone | |
| Environment: | lacustrine indet. |
Taphonomy
| Modes of preservation: | adpression |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | surface (float) |
| Reason for describing collection: | general faunal/floral analysis |
| Collection method comments: Repository: Sado Geopark Center | |
Metadata
| Database number: | 235318 | ||
| Authorizer: | M. Clapham | Enterer: | M. Clapham |
| Modifier: | M. Clapham | Research group: | paleoentomology |
| Created: | 2024-06-27 14:48:57 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2024-06-27 14:48:57 |
| Creative Commons license: | CC0 |
Reference information
Primary reference:
| 88704. | Y. Takahashi, H. Aiba, and M. Aida. 2024. A cicadid hind wing fossil (Hemiptera, Cicadidae) from the Lower Miocene Masaragawa Formation, Seki, Sado Island, Niigata Prefecture. Journal of the Geological Society of Japan 130:199-203 [M. Clapham/M. Clapham] |
Secondary references:
| 90882 | J. Souma, Y. Takahashi, H. Aiba and M. Aida. 2024. Discovery of the fossil true bug species Urochela (Urochela) cf. melaina Zhang, 1989 (Hemiptera: Heteroptera: Urostylididae) from Japan, suggesting a wide distribution of the U. (U.) quadrinotata (Reuter, 1881) species group in East Asia in the past. Zootaxa 5507:589-596 [M. Clapham/M. Clapham] |