The Ryugase Group is a geological formation on Sakhalin Island in far eastern Russia whose strata date back to the Late Cretaceous. == Vertebrate paleofauna == Nipponosaurus sachalinensis - "Partial skull and associated postcrania, juvenile." Probably actually from the Yezo Group.
The Ryugase Group is a geological formation on Sakhalin Island in far eastern Russia whose strata date back to the Late Cretaceous. == Vertebrate paleofauna == Nipponosaurus sachalinensis - "Partial skull and associated postcrania, juvenile." Probably actually from the Yezo Group.
Source: Wikipedia "Ryugase Group" · CC BY-SA 4.0
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