A Opisthostoma fallax van Benthem Jutting, 1961 BOR/MOL 9755. Perak, Ipoh, Batu Kebelah Plot 4 B Opisthostoma gittenbergeri Vermeulen & Clements, 2008 BOR/MOL 10452. Perak, Ipoh, Gunung Datok C Opisthostoma ‘Kanthan 1’ BOR/MOL 9182. Perak, Ipoh, Gunung Kanthan Plot 3 D Opisthostoma megalomphalum van Benthem Jutting, 1952 BOR/MOL 10271. Perak, Ipoh, Gunung Rapat Plot C7 E Opisthostoma ‘mykarst-025 1’ BOR/MOL 12506. Perak, Ipoh, Mykarst-025 Plot 4.

 
 
  Part of: Foon JK, Clements GR, Liew T-S (2017) Diversity and biogeography of land snails (Mollusca, Gastropoda) in the limestone hills of Perak, Peninsular Malaysia. ZooKeys 682: 1-94. https://doi.org/10.3897/zookeys.682.12999