Shell of Rhiostoma housei A, B syntype AMNH 42923 from Siam A figured specimen in Haines (1855: figs 12, 13) anb B other specimen from the same syntype lot C specimens CUMZ 4383 from Tham Phitsadan, Chumphon D specimen CUMZ 3982 from Tham Sriwilai, Saraburi E specimen CUMZ 4384 from Pak Chong, Nakhon Ratchasrima F specimen CUMZ 4879 from Hua Hin, Prachuap Khiri Khan.

 
 
  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