Ryugase Group
Appearance
Ryugase Group | |
---|---|
Stratigraphic range: Late Santonian- Early Campanian ~ | |
Type | Geological formation |
Overlies | Yezo Group |
Lithology | |
Primary | Mudstone |
Location | |
Coordinates | 47°12′N 142°30′E / 47.2°N 142.5°E |
Approximate paleocoordinates | ![]() |
Extent | Sakhalin Island |
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
[edit]- Nipponosaurus sachalinensis - "Partial skull and associated postcrania, juvenile."[2] Probably actually from the Yezo Group.
See also
[edit]References
[edit]- ^ Kawakami Colliery, Sakhalin at Fossilworks.org
- ^ "Table 20.1," in Weishampel, et al. (2004). Page 442.
Bibliography
[edit]- Weishampel, David B.; Dodson, Peter; Osmólska, Halszka (2004), The Dinosauria, 2nd edition, Berkeley: University of California Press, pp. 1–880, ISBN 0-520-24209-2, retrieved 2019-02-21
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