Kaliella busauensis (E. A. Smith, 1895) Figure 32B

Sitala busauensis E. A. Smith, 1895: 111, pl. 3, fig. 9.

Type locality.

"Busau, Sarawak" [= Jambusan Hills, Bau, Sarawak].

Material examined.

Gunung Sebayat: ME 8304. Gunung Doya: ME 9702, ME 8990. Gunung Kapor: ME 1880. Lobang Angin: ME 9259, ME 9264. Gunung Batu: ME 1868, ME 1873, ME 1892.

Distribution in Borneo.

Sarawak: Kuching Division. Endemic to Borneo.

Remarks.

Only dry shells were found during the surveys. It differs from other Bornean Kaliella species by having a higher dark brown spired shell with a cancellated shell surface due to the prominent spiral grooves and oblique radial riblets.