Figure 40-41 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: 1-139. https://doi.org/10.3897/zookeys.531.6097

Figure 40-41 - 40 Amphidromus psephos sp. n. Frontal view, shell 24 mm high (Malaysia, Sabah, Interior Province, Pun Batu c. 30 km West of Sepulut, RMNH.5003951, holotype) 41 Trachia serpentinitica sp. n. 41A Frontal view, shell 11.5 mm high 41B Same shell, umbilical view (Malaysia, Sabah, Sandakan Province, Gunung Meliau, South flank, BOR/MOL 3201, holotype).