A Lissachatina fulica (Bowdich, 1822) B Oospira penangensis (Stoliczka, 1873) C Hemiplecta cymatium (L. Pfeiffer, 1856) D Parmarion martensi Simroth, 1893 E Tanychlamys indica (Godwin Austen, 1883) F Tanychlamys Penang sp. 1.

 
 
  Part of: Goh S-M, Jasrul D, Lee M-Y, Vermeulen JJ, Liew T-S (2025) From 153-year-old records to contemporary discoveries: land snail (Mollusca, Gastropoda) diversity in Penang Hill, Malaysia. ZooKeys 1230: 99-154. https://doi.org/10.3897/zookeys.1230.136906