Systematic revision of the snorkel snail genus Rhiostoma Benson, 1860 (Gastropoda, Caenogastropoda, Cyclophoridae) with descriptions of new species


	Shell of Rhiostoma laosense sp. nov. A holotype CUMZ 10001/2 from Wat Pa Pha, Khamkeut, Borikhamxay, Laos B, C paratypes CUMZ 10001/3 from type locality D specimen CUMZ 4753 from Tam Mangkorn Cave, Lak Sao, Borikhamxay, Laos E, F specimens CUMZ 10205 from Tad Muang, Khamkeut, Borikhamxay, Laos.

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