Paralaoma angusta Vermeulen, Liew & Schilthuizen, 2015 Figures 36A, 37

Paralaoma angusta Vermeulen et al., 2015: 109, fig. 76A, B.

Type locality.

"Malaysia, Sabah, West Coast Province, Crocker Range, Kiansom Waterfall".

Material examined.

Gunung Doya: ME 8927, ME 8945, ME 8994. Gunung Kapor: ME 1734, ME 1760, ME 1927, ME 8976, ME 9042, ME 9067, ME 9262, ME 9641. Kampung Bunga Rampai: ME 0741. Lobang Angin: ME 9265. Gunung Batu: ME 1756, ME 1763, ME 8836.

Distribution in Borneo.

Sarawak: Kuching and Serian divisions. Sabah: West Coast Division. Kalimantan: South Kalimantan Province. Endemic to Borneo.

Remarks.

This is the first record of this species in Sarawak. Living snails were observed foraging among leaf litter and plant debris near the cliffs in a lowland limestone forest. The shells from Bau are slightly larger and more obese than the shells from Sabah. Dimensions: Height <1.65 mm; width <2.37 mm; diameters of the first three whorls 0.41 mm, 0.93 mm, and 1.65 mm, respectively; number of whorls < 4½; aperture height <0.93 mm; aperture width <1.24 mm.