Plectostoma everetti (E. A. Smith, 1893) Figures 12B, 48D

Opisthostoma everetti E. A. Smith, 1893: 346-347, pl. 25, figs 12, 12A.

Type locality.

"Jambusan, N.W. Borneo" [= Jambusan Hills, Bau, Sarawak].

Material examined.

Gunung Doya: ME 8900, ME 9012, ME 9158. Gunung Batu: ME 0219, ME 0222, ME 2834, ME 8793.

Distribution in Borneo.

Sarawak: Kuching Division. Endemic to Borneo.

Remarks.

Living snails were observed foraging on the moderately wet vertical limestone rock surfaces covered with mosses and lichens.