Ryugase Group
| Ryugase Group | |
|---|---|
| Stratigraphic range: Late Santonian- Early Campanian ~85–72 Ma PreꞒ Ꞓ O S D C P T J K Pg N | |
| Type | Geological formation |
| Overlies | Yezo Group |
| Lithology | |
| Primary | Mudstone |
| Location | |
| Coordinates |   Ryugase Group (Russia) |
The Ryugase Group is a geological formation on Sakhalin Island in far eastern Russia whose strata date back to the Late Cretaceous.[1]
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
- ISBN 0-520-24209-2
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