Shells (A–B) and apertural views (C–R) of Vietnamese Gudeodiscus, Sicradiscus and Halongella gen. n. species. AGudeodiscus (Gudeodiscus ?) suprafilaris (Gude, 1908), MNHN 24586 (holotype?) BG. (G. ?) suprafilaris, 2011/81 CG. (G.) phlyarius (Mabille, 1887), Vn11-156 DG. (G.) phlyarius (Mabille, 1887) (typical “anterides/gouldingi”), MNHN-IM-2012-2164 EG. (G.) messageri messageri (Gude, 1909), MNHN-IM-2012-2215 FG. (G. ?) hemmeni Páll-Gergely & Hunyadi, sp. n., Vn10-103A GG. (G. ?) anceyi (Gude, 1901), GS22 H Sicradiscus mansuyi (Gude, 1908), 20081116C IG. (G.) giardi giardi (Fischer, 1898), 2011/81 JG. (G.) villedaryi (Ancey, 1888), Vn11-151 K–LG. (G.) dautzenbergi (Gude, 1901), Vn10-44 M–N Halongella schlumbergeri (Morlet, 1886), MAA3 O H. fruhstorferi (Möllendorff, 1901), Vn11-171 PG. (G.) fischeri (Gude, 1901), Vn10-120 QG. (G.) fischeri (Gude, 1901), 20090515C RG. (G. ?) suprafilaris (Gude, 1908), 2011/81. All photos by B. Páll-Gergely except for Figure 9A (T. Deli). Scale represents 10 mm and refers to A and B.

  Part of: Páll-Gergely B, Hunyadi A, Ablett J, Văn Lương H, Naggs F, Asami T (2015) Systematics of the family Plectopylidae in Vietnam with additional information on Chinese taxa (Gastropoda, Pulmonata, Stylommatophora). ZooKeys 473: 1-118.