Boysidia ringens van Benthem Jutting, 1950

Fig. 110

Boysidia ringens van Benthem Jutting, 1950: 11–12, fig. 3.

Type material examined.

Malaysia • 23 paratypes; from the type locality; M. W. F. Tweedie leg.; RMNH Moll.137127 .

Additional material examined.

Malaysia • 7 shells; Kedah, Gunung Keriang (N of Alor Setar), Oct. 1998, Hemmen, leg. Wiesbaden ex. coll.; coll. PGB • 1 shell; Kedah, Gunung Keriang, 7.5 km NW of Alor Setar; ex. coll. Maassen; coll. PGB .

Type locality.

“ Mount Keriang, Kedah ”, Malaysia.

Cross-diagnosis.

This species is not similar to any other congener.

Distribution.

This species is known only from the type locality.