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 Macrochlamys malaccana (Pfeiffer, 1854) Figure 18B Materials examined. mykarst-184 Bat Cave : BOR/MOL 9858. mykarst-185 Batu Kebelah: BOR/MOL 9762, BOR/MOL 9527, BOR/MOL 9562, BOR/MOL 9570. Prk 53 Hill KF : BOR/ MOL 10712 , BOR/ MOL 10736 , BOR/ MOL 10765 , BOR/ MOL 10690 . Prk 42 G. Bercham : BOR/MOL 9228. Prk 36 Gua Datok : BOR/ MOL 10415 , BOR/ MOL 10465 , BOR/ MOL 10485 . Prk 55 G. Pondok : BOR/ MOL 12093 . Distribution. Known from Kedah and Perak only. Remarks. Medium-sized shell. Whorls more expanded than Macrochlamys 'batu kebelah 1'. Suture has distinct dark brown line. Spiral striations are very fine. This species was previously known from Kedah only ( Maassen 2001 ).