Ryugase Group
The Ryugase Group is a geological formation on Sakhalin Island in far eastern Russia whose strata date back to the Late Cretaceous.[1]
| Ryugase Group | |
|---|---|
| Stratigraphic range: Late Santonian- Early Campanian ~ | |
| Type | Geological formation |
| Overlies | Yezo Group |
| Lithology | |
| Primary | Mudstone |
| Location | |
| Coordinates | 47.2°N 142.5°E |
| Approximate paleocoordinates | 51.9°N 130.0°E |
| Region | Sakhalin Oblast |
| Country |  Russia |
| Extent | Sakhalin Island |
  Ryugase Group (Russia) | |
Vertebrate paleofauna
- Nipponosaurus sachalinensis - "Partial skull and associated postcrania, juvenile."[2] Probably actually from the Yezo Group.
See also
References
- Kawakami Colliery, Sakhalin at Fossilworks.org
- "Table 20.1," in Weishampel, et al. (2004). Page 442.
Bibliography
- ; , and . 2004. The Dinosauria, 2nd edition, 1–880. Berkeley: University of California Press. Accessed 2019-02-21. ISBN 0-520-24209-2
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