A Possible syntype Pterocyclos rupestris puriensis B, C syntype of Cyclotus pyrostoma D, E syntype of Cyclotus siamensis F, G syntype of Rhiostoma simplicilabre H, I syntype of Cyclotus spiniferus J holotype of Pterocyclos spiramentum K, L syntype of Cyclotus suluanus.

 
 
  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