Map of sampling localities in Laos. 1–3 Khammouane: Tham Khon Dôn Cave 1 Earthquake Dome, Type locality (LT) of Pseudoiglica pseudoiglica gen. n., sp. n., P. olsavskyi n .sp., P. kameniari sp. n., Thamkhondonia moureti gen. n., sp. n., T. vacquiei sp. n., T. smidai sp. n., Tricula valenasi sp. n., T. davisi sp. n., T. spelaea sp. n., T. lenahani sp. n. and T. bannaensis sp. n. 2 Entrance passage 3 Source of Nam Dôn River 4 Khammouane: Tham Pha Soung Cave, Frog Lake, LT of Tricula phasoungensis sp. n. 5 Khammouane Cave Na Li, LT of Tricula reischuetzorum sp. n. 6 Bolikhamsay, 16 km W Vieng Thong, LT of Tricula viengthongensis sp. n. 7, Xianghouan: Ban Nadom Village, LT of Pseudoiglica phonsavanica sp. n.