原著論文
石川県七尾市の中部中新統から産出したエドアブラザメ属（Heptranchias sp.）の歯化石
2022 年 55 巻 1 号 p. 1-7
詳細
2022 年 55 巻 1 号 p. 1-7
Fossil teeth of Heptranchias sp. occurred from the Middle Miocene Nanao calcareous sandstone Member in Nanao City, Ishikawa Prefecture, Hokuriku area, Japan. The records of this genus in the Middle Miocene of Japan have been limited to the Tokai and Kanto regions on the Pacific side, but this discovery reveals that the genus was came into the Sea of Japan by that period.
