Shells of Amphidromus spp A–F Amphidromus roseolabiatus Fulton, 1896 A lectotype of “Amphidromus roseolabiatus” (NHMUK 19601462) B paralectotype of “Amphidromus roseolabiatus” (NHMUK 19601463) C holotype of “Amphidromus phuonglinhae” (MNHN-IM-2000-33200) D–F specimens from Kampong Siem, Kampong Cham, Cambodia (NMNS-8764-254, NMNS-8764-258, NMNS-8764-260) G–L Amphidromus pankowskianus Thach, 2020 G holotype (NHMUK 20200213) H–J specimens from Lak Sao, Khamkeut, Bolikhamsai, Laos (NMNS-8764-154, NMNS-8764-170, NMNS-8764-192) K, L specimens from Khammouan Province, Laos, near Minh Hoa District, Quang Binh Province, Vietnam (NMNS-8764-150, NMNS-8764-151). Credit: M. Caballer (C), K. Webb (G).