Diversity and biogeography of land snails (Mollusca, Gastropoda) in the limestone hills of Perak, Peninsular Malaysia Author Foon, Junn Kitt Institute for Tropical Biology and Conservation, Universiti Malaysia Sabah, Jalan UMS, 88400 Kota Kinabalu, Sabah, Malaysia & Rimba, 22 - 3 A, Casa Kiara 2, Jalan Kiara 5, 50480 Kuala Lumpur, Malaysia Author Clements, Gopalasamy Reuben Rimba, 22 - 3 A, Casa Kiara 2, Jalan Kiara 5, 50480 Kuala Lumpur, Malaysia & Department of Biological Sciences, Sunway University, No. 5 Jalan Universiti, 47500 Bandar Sunway, Selangor, Malaysia Author Liew, Thor-Seng Institute for Tropical Biology and Conservation, Universiti Malaysia Sabah, Jalan UMS, 88400 Kota Kinabalu, Sabah, Malaysia & Rimba, 22 - 3 A, Casa Kiara 2, Jalan Kiara 5, 50480 Kuala Lumpur, Malaysia thorsengliew@gmail.com text ZooKeys 2017 2017-07-04 682 1 94 http://dx.doi.org/10.3897/zookeys.682.12999 journal article http://dx.doi.org/10.3897/zookeys.682.12999 1313-2970-682-1 0AE82225C67E4D908BBEC30124E6C312 FFBCE458FFDBFFC93B2EFFB2F562FFBE 3484859 Helicarion permolle Stoliczka, 1873 Figure 28A Materials examined. mykarst-184 Bat Cave : BOR/MOL 9766, BOR/MOL 9805. Prk 53 Hill KF : BOR/ MOL 10734 , BOR/ MOL 10664 . mykarst-025: BOR/MOL 9377, BOR/MOL 9414, BOR/MOL 9492. Prk 47 Kanthan : BOR/MOL 9055, BOR/MOL 9152. mykarst-027: BOR/MOL 9097. Prk 42 G. Bercham : BOR/MOL 9240, BOR/ MOL 10597 . Prk 36 Gua Datok: BOR/ MOL 10434 , BOR/ MOL 10484 . Prk 01 G. Tempurung : BOR/ MOL 11148 , BOR/ MOL 11230 , BOR/ MOL 11248 . Prk 34 G. Tasek : BOR/ MOL 11179 . Prk 55 G. Pondok : BOR/ MOL 11542 , BOR/ MOL 11567 . Distribution. Known from Penang and Perak only ( Maassen 2001 ). Remarks. Shell small. Periphery rounded, whorls few, spire low. Surface glossy with very fine spiral lines. Sutural line distinct and white. 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, 1885a) BOR/MOL 11031. Perak, Ipoh, Gunung Tasek