A, B. Dicharax cucullatus, specimens CUMZ 7422 from Siribhum Waterfall, Doi Inthanon, Chiang Mai Province; A. With operculum; C, D. Dicharax notus C. Syntype NHMUK 1903.7.1.3065; D. Specimen CUMZ 7425 from Tham Luang Sa Koen, Nan Province. Close-up images of the aperture not to scale. Photo: NHM (C.).

 
 
  Part of: Jirapatrasilp P, Páll-Gergely B, Sutcharit C, Tongkerd P (2021) The operculate micro land snail genus Dicharax Kobelt & Möllendorff, 1900 (Caenogastropoda, Alycaeidae) in Thailand, with description of new species. Zoosystematics and Evolution 97(1): 1-20. https://doi.org/10.3897/zse.97.59143