Diplommatina adversa (H. Adams & A. Adams, 1851) Figures 8A, 49A

Paxillus adversus H. Adams & A. Adams, 1851: 63.

Type locality.

Singapore.

Material examined.

Bukit Sekunyit: ME 0462. Gunung Doya: ME 0543, ME 9695, ME 8898, ME 9089. Gunung Kapor: ME 0455, ME 0456, ME 0523, ME 0525, ME 8067, ME 8513, ME 8760, ME 8766, ME 8776. Kampung Padang Pan: ME 6672. Lobang Angin: ME 0463, ME 0524, ME 8735, ME 8742, ME 8748. Gunung Batu: ME 0459, ME 0526, ME 0535, ME 8799.

Distribution in Borneo.

Sarawak: Kuching and Serian divisions. Sabah: Tawau Division. Distribution elsewhere. West Malaysia, Singapore, Bunguran (Indonesia) and Sirhassen (Indonesia) (Laidlaw 1949).

Remarks.

Living snails were observed foraging among leaf litter and plant debris near the cliff in a lowland limestone forest.