A Opisthoporus penangensis Stoliczka, 1872 BOR/MOL 15275 B Diplommatina Penang sp. 1 BOR/MOL 15442 C Diplommatina crosseana Godwin-Austen & Nevill, 1879 BOR/MOL 15543 D Coptocheilus sectilabris (A. Gould, 1844) BOR/MOL 15270. Scale bars: 10 mm (A, D); 0.5 mm (B, C).

 
 
  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