01 / Fossils
A fish fossil found in Nakagawais a Hokkaido natural monument.
Nakagawa-nishin is a saltwater fish fossil, about 90 million years old, found in 2004 in Cretaceous strata along a tributary of the Teshio River. A dinosaur fossil found in 2000 was named a new genus and species, and the Omagari limestone lens holds fossils of a seafloor hot spring about 83 million years old.
- Hokkaido natural monument (2020)
- Saltwater fish, about 90 million years old
- Dinosaur fossil found in 2000
