1999 年 58 巻 4 号 p. 175-190
During detailed examination of unidentified specimens of the Pyramidellidae in the Yamaguchi Museum and the Hagi City Museum, nine hitherto undescribed species were recognized, and here described as new : Ondina elachisinoides, Chrysallida stupa, Trabecula truncatelliformis, Egilina kotoeae, Eulimella toshikazui, Turbonilla kuraenohamana, T. gloriamishimana, Pyrgiscus yoshikoae and Yoshishigea choshuana. A new genus, Yoshishigea is also elected.