The following new taxa are described from northern Vietnam: Fansipanica milae Páll-Gergely & Dedov, gen et sp. nov ., Ducanhia Páll-Gergely, gen. nov . (type species: Helix balansai Morlet, 1886), Vinatachea porcellana Páll-Gergely, sp. nov . The reproductive anatomy of all three species is described. Helix (Chloritis) gereti Bavay & Dautzenberg, 1900 is moved to Fansipanica gen nov ., and Camaena delsaerdti Thach & F. Huber, 2018 is moved to Vinatachea .
Páll-Gergely et al. (Thu,) studied this question.