Opisthostoma tridens Vermeulen, 1991 Figure 11C

Opisthostoma tridens Vermeulen, 1991: 152, fig. 5C, D.

Type locality.

"SARAWAK. 1st Div.: Kpg. Beratok along road Kuching-Serian".

Material examined.

Gunung Kapor: ME 0333.

Distribution in Borneo.

Sarawak: Kuching and Serian divisions. Endemic to Borneo.

Remarks.

Only dry shells were found during the surveys.