白亜紀の巨大なタコの復元画
Yohei Utsuki/Department of Earth and Planetary Sciences, Hokkaido University/Handout via Reuters
A research team says that a giant octopus lived about 80 million years ago. This octopus may have been up to 19 meters long, said the team. The team with members from Hokkaido University and other institutions said this animal was at the top of the food chain in the sea at that time.
The team found...