The fossils of Plesiosauria and ammonite lived in the Hobetsu area during the Cretaceous period are on display.
The Mukawa dinosaur (Hadrosauridae), which is still being researched, has a total length of 8 m and is attracting worldwide attention as a dinosaur fossil produced in Japan that is extremely well preserved.
In April 2017, more than 50% of the whole body’s bones were confirmed only in the part where the cleaning work was completed, and it was considered the largest whole-body skeletal dinosaur in Japan.

Hobetsu-Araki-Ryu whole-body restoration skeleton (center) and Mukawa dinosaur skeleton (right)

Mosasaurs biological restoration model

Picture provider: Hobetsu Museum

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