A Syntype of Cyclotus niasensis B, C syntype of Pterocyclos niahensis D, E syntype of Pearsonia oakesi F, G possible syntypes of Cyclotus politus H, I Cyclotus pterocycloides H lectotype and I paralectotype J, K syntype of Pearsonia putaoensis.

 
 
  Part of: Sutcharit C, Ablett JD, Panha S (2019) An annotated type catalogue of seven genera of operculate land snails (Caenogastropoda, Cyclophoridae) in the Natural History Museum, London. ZooKeys 842: 1-65. https://doi.org/10.3897/zookeys.842.29243