Figure 4 from: Páll-Gergely B, Hunyadi A, Ablett J, Văn Lương HV, 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

Figure 4 - Shells of Vietnamese Gudeodiscus species. A Gudeodiscus (Gudeodiscus) phlyarius (Mabille, 1887), MNHN 24581 (syntype of Plectopylis phlyaria) B Gudeodiscus (Gudeodiscus) phlyarius, SMF 150125a (lectotype of Plectopylis moellendorffi) C Gudeodiscus (Gudeodiscus) cf. phlyarius, Vn10-41, coll. PGB D Gudeodiscus (Gudeodiscus) phlyarius, Vn09-06, coll. HE E Gudeodiscus (Gudeodiscus) phlyarius, NHMUK 1922.8.29.56 (holotype of Plectopylis gouldingi) F Gudeodiscus (Gudeodiscus) phlyarius, NHMUK 1922.8.29.57 (holotype of Plectopylis anterides). Photos: T. Deli (A), E. Neubert (B), B. Páll-Gergely (C, D) and H. Taylor (F). Scale represents 10 mm.