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Ishikari, Sorachi Subprefecture, Hokkaidō Prefecture, Japan
| Group | Ishikari |
|---|---|
| Formation(s) | Akabira Ashibetsu Bibai Hiragishi Horokabetsu Takane Wakkanabi Yubari |
| Age: | 48.6 - 37.2 Ma Eocene |
| Interval | Middle Eocene |
| Number of Collections | 1 |
| Number of Occurrences | 1 |
Recorded Sample Locations
| Location | Region | Stratigraphic Name |
|---|---|---|
| Sorachi Area | Sorachi Subprefecture, Hokkaidō Prefecture, Japan | Ishikari - Akabira |
| Miruto | Sorachi Subprefecture, Hokkaidō Prefecture, Japan | Ishikari |
Associated Units
| Stratigraphic Name | Age | Lithology | Occurrence Records |
|---|---|---|---|
| Ishikari - Akabira | 41.3 - 38.0 Ma Eocene | sandstone/siltstone | 25 |
| Ishikari - Ashibetsu | 41.3 - 38.0 Ma Eocene | sandstone/siltstone | 10 |
| Ishikari - Bibai | 47.8 - 41.3 Ma Eocene | sandstone/siltstone | 14 |
| Ishikari - Hiragishi | 41.3 - 38.0 Ma Eocene | sandstone/siltstone | 11 |
| Ishikari - Horokabetsu | 47.8 - 41.3 Ma Eocene | siltstone | 10 |
| Ishikari - Takane | 41.3 - 38.0 Ma Eocene | sandstone/siltstone | 1 |
| Ishikari - Wakkanabi | 47.8 - 41.3 Ma Eocene | siltstone/sandstone, sandstone/siltstone | 35 |
| Ishikari - Yubari | 47.8 - 41.3 Ma Eocene | siltstone | 5 |
| Lower Yezo - Orbitolina Limestone | 125 - 113 Ma Early/Lower Cretaceous | limestone | 1 |
Recorded Fossils
References
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!
