01 / Fossil
The bones found on the Mogami riverbedwere a new species of sea cow.
In August 1978, a pupil of Aterazawa Elementary School found a fossil in the Mogami River in Oe. A researcher at Howard University in the US identified it as a new species of sea cow, and it was named Yamagata Daikaigyu. It is about 3.8 m long, held by the Yamagata Prefectural Museum, and a prefectural Natural Monument.
- Found in August 1978
- About 3.8 m long
- Prefectural Natural Monument
