Microcystina seclusa Godwin-Austen, 1891 Figure 28D

Microcystina seclusa Godwin-Austen, 1891: 38.

Type locality.

"Borneo, cave-earth".

Material examined.

Gunung Doya: ME 8933, ME 8954. Gunung Kapor: ME 8153, ME 9209. Gunung Batu: ME 0439, ME 2261.

Distribution in Borneo.

Sarawak: Kuching Division. Endemic to Borneo.

Remarks.

Only dry shells were found during the surveys. It differs from Microcystis bunguranensis Smith, 1894 from Natuna Island by having a larger and higher spire shell (Smith 1894b).