A Opisthophorus biciliatus (Mousson, 1849) ME 8754 Gunung Kapor B Opisthophorus birostris (L. Pfeiffer, 1854) ME 8758 Gunung Kapor C Opisthophorus cavernae (Godwin-Austen, 1889) ME 8904 Gunung Doya D Opisthophorus euryomphalus (L. Pfeiffer, 1856) ME 8779 Gunung Kapor E Platyrhaphe linita (Godwin-Austen, 1889) ME 0881 Gunung Batu F Pterocyclos tenuilabiatus (Metcalfe, 1851) ME 5910 Gunung Batu.

 
 
  Part of: bin Marzuki ME, Liew T-S, Mohd-Azlan J (2021) Land snails and slugs of Bau limestone hills, Sarawak (Malaysia, Borneo), with the descriptions of 13 new species. ZooKeys 1035: 1-113. https://doi.org/10.3897/zookeys.1035.60843