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
~85–72 Ma
TypeGeological formation
OverliesYezo Group
Lithology
PrimaryMudstone
Location
Coordinates47.2°N 142.5°E / 47.2; 142.5
Approximate paleocoordinates51.9°N 130.0°E / 51.9; 130.0
RegionSakhalin Oblast
Country Russia
ExtentSakhalin Island
Ryugase Group (Russia)

Vertebrate paleofauna

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See also

References

  1. Kawakami Colliery, Sakhalin at Fossilworks.org
  2. "Table 20.1," in Weishampel, et al. (2004). Page 442.


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