Shell of Rhiostoma simplicilabre A syntype NHMUK 20130214 from Camboja B, C specimens CUMZ 10009/2 from Ngeun, Sayaboury, Laos D specimen CUMZ 10006 from Meuang Xai, Oudomxay, Laos E specimen CUMZ 10010/2 from Nong Khiaw, Luang Prabang, Laos F specimen CUMZ 4868 Bor Kluea, Nan.

 
 
  Part of: Tongkerd P, Tumpeesuwan S, Inkhavilay K, Prasankok P, Jeratthitikul E, Panha S, Sutcharit C (2023) Systematic revision of the snorkel snail genus Rhiostoma Benson, 1860 (Gastropoda, Caenogastropoda, Cyclophoridae) with descriptions of new species. ZooKeys 1142: 1-144. https://doi.org/10.3897/zookeys.1142.90097