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

Parietal (A, C, E, F, H, J, L, N, O, Q) and palatal (B, D, G, I, K, M, P, R) plicae and lamellae of Gudeodiscus species. A–DGudeodiscus (Gudeodiscus) infralevis (Gude, 1908) A–B holotype of Plectopylis infralevis (after Gude 1908) C–D Holotype of Plectopylis soror (after Gude 1908) E–GG. (G. ?) cyrtochilus (Gude, 1909) E–F MNHN-IM-2012-2251 (two different specimens) G 2012/47 H–NG. (G.) fischeri (Gude, 1901) H–I Plectopylis fischeri (after Gude 1901a) J–K 20090515C L–M Vn10-120 N MNHN-IM-2012-2241 O–RG. (G.) fischeri (Gude, 1901) (identical with the holotype of tenuis) O–P after Gude (1901a) Q–R Vn10-28A (two different specimens). Inner views: B, D, I, M, P; Outer views: G, K, R.