Stomacosmethis sadongensis (E. A. Smith, 1895)

Marzuki, Mohammad Effendi bin, Liew, Thor-Seng & Mohd-Azlan, Jayasilan, 2021, Land snails and slugs of Bau limestone hills, Sarawak (Malaysia, Borneo), with the descriptions of 13 new species, ZooKeys 1035, pp. 1-113 : 1

Stomacosmethis sadongensis (E. A. Smith, 1895) Figures 2D , 47C

Alycaeus (Orthalycaeus) sadongensis Smith, 1895: 117, pl. 3, fig. 27.

Type locality.

"Sadong, Sarawak".

Material examined.

Gunung Kapor: ME 1003, ME 8761. Gunung Batu: ME 2896, ME 2900, ME 8804.

Distribution in Borneo.

Sarawak: Kuching and Serian divisions. Endemic to Borneo.

Remarks.

This species differs from other Bornean species of Stomacosmethis by having a shell with dense, regular, rather low riblets on the shell instead of irregular low riblets. Living snails were observed foraging on wet vertical limestone rock surfaces covered with mosses and lichens.

Figures

Figure 2. A Chamalycaeus specus (Godwin-Austen, 1889) ME 9046 Gunung Kapor B Pincerna globosa (H. Adams, 1870) ME 6979 Lobang Angin C Stomacosmethis hosei (Godwin-Austen, 1889) ME 1010 Gunung Batu D Stomacosmethis sadongensis (E. A. Smith, 1895) ME 8761 Gunung Kapor.

Figure 47. Living snails from Bau A Cyclophorus perdix borneensis (Metcalfe, 1851) ME 8753 Gunung Kapor B Platyrhaphe linita (Godwin-Austen, 1889) ME 9700 Gunung Doya C Stomacosmethis sadongensis (E. A. Smith, 1895) ME 8761 Gunung Kapor D Pincerna globosa (H. Adams, 1870) ME 8749 Lobang Angin. All not to scale.