Systematics of the family Plectopylidae in Vietnam with additional information on Chinese taxa (Gastropoda, Pulmonata, Stylommatophora)

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.