Inner walls of the penis of Gudeodiscus Páll-Gergely, 2013 species. AGudeodiscus (Gudeodiscus) phlyarius (Mabille, 1887) (typical fallax specimen, for locality see Figure 21) B Gudeodiscus giardi giardi (Fischer, 1898) (for locality see Figure 19) CG. (G.) phlyarius (Mabille, 1887) (for locality see Figure 22) DG. (G.) fischeri (Gude, 1901) (for locality see Figure 17) EG. (G.) messageri raheemi Páll-Gergely & Hunyadi, ssp. n., 20080510A F–GG. (G.) villedaryi specimens collected at the same locality in two different dates: F November (2011/102) and G May (20090520A). All photos by B. Páll-Gergely.

  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.