A Japonia barbata (L. Pfeiffer, 1855) MZU.MOL.22.149 B Japonia bauensis Marzuki, Liew & Mohd-Azlan, 2021 ME 0014465 C Japonia borneensis (E. A. Smith, 1893) MZU.MOL.22.155 D Japonia mundyana (Godwin-Austen, 1889) MZU.MOL.22.133.

 
 
  Part of: Nasir NS, Lee JY, Marzuki ME, Vermeulen JJ, Mohd-Azlan J, Khalik MZ (2024) Checklist of land snail species of Gua Rumbang, Sarawak, Malaysian Borneo (Mollusca, Gastropoda), with a description of a new species, Diplommatina rumbangensis sp. nov. ZooKeys 1198: 295-340. https://doi.org/10.3897/zookeys.1198.116265