Videna timorensis (Martens, 1867)

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

Videna timorensis (Martens, 1867) Figures 43D , 52A

Trochomorpha timorensis Martens, 1867: 248-249, pl. 13, fig. 6.

Type locality.

"Timor, im Innern bei Okabiti, in Waldern" [= near Okabiti, Timor Island].

Material examined.

Gunung Doya: ME 1228, ME 9163, ME 9193, ME 9405. Gunung Kapor: ME 1179, ME 1222, ME 1226, ME 3360, ME 5976, ME 8090, ME 8458, ME 8762, ME 8972. Kampung Padang Pan: ME 6724. Lobang Angin: ME 8984, ME 9404. Gunung Batu: ME 1224, ME 8824.

Distribution in Borneo.

Sarawak: Kuching Division. Sabah: Tawau Division. Distribution elsewhere. Peninsular Malaysia to Indo-Australian archipelago (Maassen 2001).

Remarks.

Living snails were observed foraging on wet rotten wood surfaces at the base of the limestone cliff. It differs from V. bicolor (Martens, 1864) by having a pale brown smaller shell with narrower umbilicus and shell surface striated with conspicuous spiral grooves.

Figures

Figure 43. A Geotrochus conicoides (Metcalfe, 1851) ME 8911 Gunung Doya B Geotrochus subscalaris Vermeulen, Liew & Schilthuizen, 2015 ME 1636 Gunung Kapor C Videna bicolor (Martens, 1864) ME 8732 Lobang Angin D Videna timorensis (Martens, 1867) ME 8972 Gunung Kapor E Exrhysota brookei (A. Adams & Reeve, 1848) ME 8790 Gunung Kapor.

Figure 52. Living snails from Bau A Videna timorensis (Martens, 1867) ME 8984 Lobang Angin B Videna bicolor (Martens, 1864) ME 8732 Lobang Angin C Kaliella barrakporensis (L. Pfeiffer, 1852) ME 9026 Gunung Kapor D Microcystis dyakana Godwin-Austen, 1891 ME 8969 Gunung Kapor. All not to scale.