Gulella bicolor (Hutton, 1834)

Foon, Junn Kitt, Clements, Gopalasamy Reuben & Liew, Thor-Seng, 2017, Diversity and biogeography of land snails (Mollusca, Gastropoda) in the limestone hills of Perak, Peninsular Malaysia, ZooKeys 682, pp. 1-94 : 4

Gulella bicolor (Hutton, 1834) Figure 28D

Materials examined.

mykarst-184 Bat Cave: BOR/MOL 9879. Prk 47 Kanthan: BOR/MOL 9159, BOR/MOL 9195. mykarst-185 Batu Kebelah: BOR/MOL 9540, BOR/MOL 9586.

Distribution.

Found throughout Peninsular Malaysia ( Maassen 2001). Elsewhere, pantropical ( Simone 2013).

Remarks.

Radial ribs faint to distinct. Distinguished from confamilals by its tall spire, cylindrical shell, compact whorls without detachment and its lamella arrangement. This is a synanthropic species.

Figures

Figure 28. A Helicarion permolle Stoliczka, 1873 BOR / MOL 9152. Perak, Ipoh, Gunung Kanthan Plot 4 B Discartemon leptoglyphus van Benthem Jutting, 1954 BOR / MOL 10479. Perak, Ipoh, Gunung Datok C Discartemon plussensis (de Morgan, 1885 a) BOR / MOL 11031. Perak, Ipoh, Gunung Tasek