Abstract / Introduction / Summary:
![](https://journal.kagoshima-nature.org/archives/NK_051/Fig1Final-1-300x254.jpg)
A pyramidellid mollusks spesies was recoreded from Okinawa, Rissosyrnola cf. aclis (A. Adams, 1853) and another congeneric one from Kagoshima prefectures. They differ one from another in the number of axial ribs.
A pyramidellid mollusks spesies was recoreded from Okinawa, Rissosyrnola cf. aclis (A. Adams, 1853) and another congeneric one from Kagoshima prefectures. They differ one from another in the number of axial ribs.