A Tanychlamys Penang sp. 2 BOR/MOL 15759 B Tanychlamys stephoides (Stoliczka, 1873) BOR/MOL 15164 C Tanychlamys tersa (Issel, 1874) BOR/MOL 15533 D Helicarion permolle Stoliczka, 1873 BOR/MOL 15741 E Bradybaena similaris (A. Férussac, 1821) BOR/MOL 15772 F Trichochloritis penangensis (Stoliczka, 1873) BOR/MOL 15291. Scale bars: 1 mm (A–C); 10 mm (D–F).

 
 
  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