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Upper Yezo - Urakawa - U0, Hidaka Subprefecture, Hokkaidō Prefecture, Japan
| Group | Upper Yezo |
|---|---|
| Formation | Urakawa |
| Member | U0 |
| Age: | 89.8 - 86.3 Ma Late/Upper Cretaceous |
| Interval | Coniacian |
| Lithology | claystone |
| Number of Collections | 5 |
| Number of Occurrences | 77 |
Recorded Sample Locations
| Location | Region | Stratigraphic Name |
|---|---|---|
| Chinomi River CU-CM | Hidaka Subprefecture, Hokkaidō Prefecture, Japan | Upper Yezo - Urakawa - U0 |
Associated Units
| Stratigraphic Name | Age | Lithology | Occurrence Records |
|---|---|---|---|
| Middle Yezo - Efue - M3 | 99.6 - 89.8 Ma Late/Upper Cretaceous | claystone | 31 |
| Upper Yezo - Urakawa - U1 | 83.6 - 72.1 Ma Late/Upper Cretaceous | claystone | 266 |
Recorded Fossils
References
| Taketani Y. (1982) Cretaceous radiolarian biostratigraphy of the Urakawa and Obira areas, Hokkaido, The Science Reports of the Tohoku University, Serie 2: Geology 52, 1-76 |
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!
