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


	Shell of Rhiostoma prestoni A–D originally labelled as “Pterocyclos fruhstorferi Kobelt, 1909” A lectotype SMF 130353 from Chiem-hoa, Tonkin B paralectotype SMF 130354 from type locality and C, D paralectotype SMF 130355 from type locality E specimen SMF 130358 from Muong-Hum.

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