Shells of Vietnamese Gudeodiscus and Halongella gen. n. species. AGudeodiscus (Gudeodiscus ?) francoisi (Fischer, 1898), MNHN 24601 (holotype of Plectopylis bavayi) BG. (G. ?) francoisi, MNHN 9945 (holotype of Plectopylis francoisi) CG. (G. ?) francoisi, NHMUK 1922.8.29.51 (holotype of Plectopylis lepida) D Halongella fruhstorferi (Möllendorff, 1901), SMF 9258 (lectotype) EG. (G.) giardi giardi (Fischer, 1898), MNHN IM-2010-12120 (syntype of Plectopylis congesta) FG. (G.) giardi giardi, NHMUK 1922.8.29.49 (syntype of Plectopylis congesta). Photos: T. Deli (A, B, E), H. Taylor (C, F) and E. Neubert (D). Scale represents 20 mm.

 
 
  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. https://doi.org/10.3897/zookeys.473.8659