Shell of Rhiostoma spp. A Rhiostoma cochinchinensis probable syntype NHMUK 20170354 from Cochinchina B–F Rhiostoma cambodjense B syntype NHMUK 1893.2.4.776 from Battambang, Cambodje C syntype of “Opisthoporus pulchellus Morlet, 1889” MNHN-IM-2000-9828 from Mount. Sisophon D specimen CUMZ 10203/2 from Thammaban Khiri, Serei Saophoan (Sisophon), Cambodia E, F specimens CUMZ 4714 from Khao Chakan, Srakeo. Photograph: A Robin and V Heros, MNHN (C).

 
 
  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