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Toishi, Amakusa City, Kumamoto Prefecture, Japan
| Formation | Toishi |
|---|---|
| Age: | 48.6 - 37.2 Ma Eocene |
| Interval | Middle Eocene |
| Lithology | sandstone |
| Number of Collections | 1 |
| Number of Occurrences | 2 |
Recorded Sample Locations
| Location | Region | Stratigraphic Name |
|---|---|---|
| Itchoda Fm - Amakusa | Amakusa City, Kumamoto Prefecture, Japan | Toishi |
Associated Units
| Stratigraphic Name | Age | Lithology | Occurrence Records |
|---|---|---|---|
| Kawamagari | 37.2 - 33.9 Ma Paleogene | sandstone | 10 |
| Shiratake | 48.6 - 37.2 Ma Eocene | sandstone | 53 |
| Sakasegawa - Itchoda | 37.2 - 33.9 Ma Paleogene | sandstone, "shale" | 10 |
| Sakasegawa - Sakasegawa | 37.2 - 33.9 Ma Paleogene | siltstone | 7 |
Recorded Fossils
| Accepted Name | Hierarchy | Age |
|---|---|---|
 Venericardia (Venericor) nipponicaspecies | Animalia : Mollusca : Bivalvia : Carditida : Carditidae : Venericardia : Venericardia (Venericor) nipponica | 48.6 - 37.2 Ma Eocene |
| Corbicula sp. genus | Animalia : Mollusca : Bivalvia : Venerida : Cyrenidae : Corbicula | 48.6 - 37.2 Ma Eocene |
References
| Mizuno A. (1964) Paleogene and Early Neogene molluscan faunae in West Japan, Geological Survey of Japan Report 204 |
Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!
