<国立科博専報>小笠原諸島のオカモノアラガイ科  [in Japanese] Succineidae of the Ogasawara Islands (Gastropoda, Pulmonata)  [in Japanese]

In this paper, the auther discusses on the systematic position of the genus Boninosuccinea of the Succineidae of the Ogasawara Islands by the anatomical study. They can be distinguished by the following key. Boninosuccinea HABE, 1956; Shell thin and fragile; shell surface with weak spiral lines or densely dotted spiral lines; penis with penis sheath and penial appendix; Arboreal. 1. Shell with densely dotted spiral lines; whorls 21/2; penial appendix constricted at distal portion......Boninosuccinea punctulispira (PILSBRY, 1901) 2. Shell shining and with weak spiral lines; whorls 11/2; penial appendix club-shaped.......Boninosuccinea ogasawarae) PILSBRY, 1901)