Leptopoma undatum (Metcalfe, 1851) Figure 6E

Cyclostoma undatum Metcalfe, 1851: 71.

Type locality.

“Borneo” .

Material examined.

Gunung Stulang: ME 5899. Kampung Padang Pan: ME 6723. Gunung Batu: ME 2684, ME 2686.

Distribution in Borneo.

Sarawak: Kuching and Miri divisions. Sabah: Interior, Sandakan, Tawau, and West Coast divisions. Brunei Darussalam: Temburong District. Kalimantan: West and East Kalimantan provinces. Distribution elsewhere. Palawan (Vermeulen 1999).