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 'Bercham 1' Figure 18A Materials examined. mykarst-184 Bat Cave : BOR/MOL 9861, BOR/MOL 9828, BOR/MOL 9775, BOR/MOL 9806. Prk 53 Hill KF : BOR/ MOL 10737 , BOR/ MOL 10771 , BOR/ MOL 10777 , BOR/ MOL 10676 . Prk 42 G. Bercham : BOR/MOL 9468, BOR/MOL 9477, BOR/MOL 9212, BOR/MOL 9239, BOR/ MOL 10645 . Prk 23 G. Rapat : BOR/ MOL 10223 , BOR/ MOL 10281 , BOR/ MOL 10283 . mykarst-027: BOR/MOL 9199. Prk 47 Kanthan: BOR/MOL 9203. mykarst-185 Batu Kebelah : BOR/MOL 9556, BOR/MOL 9572, BOR/MOL 9588. Prk 36 Gua Datok : BOR/ MOL 10081 , BOR/ MOL 10466 , BOR/ MOL 10483 . Prk 34 G. Tasek : BOR/ MOL 11011 . Distribution. Known from Kinta Valley, Perak only. Remarks. Shell small relative to congeners. Rounded periphery, spire relatively tall, whorls wide. Overall, shell looks glossy. Radial sculpture indistinct, spiral grooves distinct but very fine. Suture indistinct. Most similar to Macrochlamys malayana (von Moellendorff , 1891), which differs in being more globose and has less whorls. Figure 18. A Macrochlamys 'Bercham 1' BOR/MOL 9477. Perak, Ipoh, Gunung Bercham Plot 3 B Macrochlamys malaccana (Pfeiffer, 1854) BOR/MOL 9570. Perak, Ipoh, Batu Kebelah Plot 4 C Macrochlamys 'tempurung 1' BOR/MOL 11134. Perak, Ipoh, Gunung Tempurung Plot 1 D Macrochlamys 'tempurung 2' BOR/MOL 11449. Perak, Ipoh, Gunung Tempurung Plot 2.