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 Paraboysidia oreia van Benthem Jutting, 1961a Figure 30D Materials examined. Prk 53 Hill KF : BOR/ MOL 10727 . Prk 47 Kanthan : BOR/MOL 9064, BOR/MOL 9175. mykarst-027: BOR/MOL 9125, BOR/MOL 9022. Prk 36 Gua Datok : BOR/ MOL 10504 . Prk 34 G. Tasek : BOR/ MOL 11013 , BOR/ MOL 11039 , BOR/ MOL 11060 . Distribution. Known from Gunung Batu Kurau (van Benthem Jutting 1961) and Kinta Valley, Perak only. Remarks. Shell small, dark brown. Spire tall. Whorls rather convex. Distinguished from Perak congeners by the slightly keeled periphery and apertural teeth arrangement.