Ryugase Group
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°ECoordinates: 47°12′N 142°30′E / 47.2°N 142.5°E |
Approximate paleocoordinates | 51°54′N 130°00′E / 51.9°N 130.0°E |
Region | Sakhalin Oblast |
Country | ![]() |
Extent | Sakhalin Island |
![]() ![]() 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[]
- List of dinosaur-bearing rock formations
- List of fossiliferous stratigraphic units in Russia
References[]
- ^ Kawakami Colliery, Sakhalin at Fossilworks.org
- ^ "Table 20.1," in Weishampel, et al. (2004). Page 442.
Bibliography[]
- The Dinosauria, 2nd edition, 1–880. Berkeley: University of California Press. Accessed 2019-02-21. ISBN 0-520-24209-2 ; , and . 2004.
Categories:
- Geologic groups of Asia
- Geologic formations of Russia
- Upper Cretaceous Series of Asia
- Cretaceous Russia
- Campanian Stage
- Santonian Stage
- Mudstone formations
- Shallow marine deposits
- Paleontology in Russia
- Geography of Sakhalin Oblast
- Paleontological site stubs
- Sakhalin Oblast geography stubs