Shells of Amphidromus thachi Huber, 2015 A holotype of “Amphidromus thachi” (RBINS MT.3381) B, C specimens from fin de la route de Hon Ba (chalets de Yersin), Commune de Suoi Cat, Province de Khanh Hoa, Vietnam (MNHN- IM-214-6873) D specimen from Vinh Thanh, Binh Dinh, Vietnam (NMNS-8764-267) E Specimen from Buon Don, Dak Lak, Vietnam (NMNS-8764-271) F specimen from Da Lat, Lam Dong, Vietnam (NMNS-8764-272) G, H specimens from Lac Duong, Lam Dong, Vietnam (NMNS-8764-265, NMNS-8764-264). Credit: T. Backeljau and S. Yves, RBINS (A), B. Páll-Gergely (B, C).