Living specimens of Gudeodiscus (Gudeodiscus) giardi giardi (Fischer, 1898) (A), Cao Bằng Province, Hòa An District, Nguyễn Huệ Commune, small hill just outside of Khau Trang Village, 22°33.510'N, 106°10.294'E, leg. Naggs, F. et al. 22.06.2011.; and Halongella schlumbergeri (Morlet, 1886) (B), Halong Bay area, Vietnam. Photos: F. Naggs.

 
 
  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