Figure 50-51 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 50-51 - 50 Thysanota conula (Blanford, 1865). Frontal view, shell 1.5 mm high (Indonesia, Nusa Penida, Tengasa, V 4086) 51 Thysanota grenvillei (Brazier, 1876). Frontal view, shell 1.9 mm high (Vietnam, Quang Ninh Province, Ha Long Bay, Dao Bo Hon, 300 m N.W. Song Sot Cave, V 6935).