Shells of Amphidromus spp A–G Amphidromus haematostoma Möllendorff, 1898 A Lectotype of “Amphidromus haematostoma var. viridis” (SMF 7559) B lectotype of “Amphidromus haematostoma var. varians” (SMF 7561) C holotype of “Amphidromus attapeuensis” (NHMUK 20170278) D specimen from Samphanh, Phongsali, Laos (NMNS-8764-056) E, F specimens from Ba Chien, Pakse, Champasak, Laos (NMNS-8764-064, NMNS-8764-076) G specimen from Kbang, Gia Lai, Vietnam (NMNS-8764-080) H–M Amphidromus madelineae Thach, 2020 H holotype of “Amphidromus madelineae” (MNHN-IM-2000-35566) I, J Specimens from Duy Xuyen, Quang Nam, Vietnam (NMNS-8764-112, NMNS-8764-108) K–M specimens from Za Hung, Dong Giang, Quang Nam, Vietnam (NMNS-8764-114, NMNS-8764-118, NMNS-8764-122).