【かはく】北海道産出のアンモナイトたち
国立科学博物館で見るさまざまな種類のアンモナイト
Ammonites from Hokkaido.
These ammonites are on display at the National Museum of Nature and Science in Tokyo.
Ammonites from Hokkaido.
These ammonites are on display at the National Museum of Nature and Science in Tokyo.
