1.
Figure 8 from: Phung C-C, Yu FTY, Liew T-S (2017) A checklist of land snails from the west coast islands of Sabah, Borneo (Mollusca, Gastropoda). ZooKeys 673: 49-104. https://doi.o...
2.
Figure 19-20 from: Vermeulen JJ, Liew TS, Schilthuizen M (2015) Additions to the knowledge of the land snails of Sabah (Malaysia, Borneo), including 48 new species. ZooKeys 531: 1-...