A Rhiostoma ? americana, original figure (after Hanna 1920: pl. 1, fig. 4a, b) B, C Rhiostoma ? amarapuraense sp. nov. B holotype SMF 130536/1 from Amarapura, Burma and C paratype SMF 130536/2‒8 from type locality D–F Rhiostoma sp. D specimens CUMZ 10050 from Khau Nam Nua, Vieng Xai, Houaphanh and E, F specimens CUMZ 10051 from Ban Zox, Xaysetha, Attapeu.

 
 
  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