Comparison of shell and mantle lobes among the three monotypic semislugs described by Collinge (1902) A, B Apoparmarion partridgii Collinge, 1902 A original illustration and B syntype UMZC I.66414 C, D Cryptosemelus gracilis Collinge, 1902 C original illustration and D syntype UMZC I.66448 E, F Paraparmarion elongatus Collinge, 1902 E original illustration F syntype UMZC I.66522. Credits: A, C, E after Collinge (1902) and B, D, F online catalogues of the UMZC, Cambridge.

 
 
  Part of: Pholyotha A, Sutcharit C, Panha S (2021) Rediscovering the dancing semislug genus Cryptosemelus Collinge, 1902 (Eupulmonata, Ariophantidae) from Thailand with description of two new species. ZooKeys 1076: 43-65. https://doi.org/10.3897/zookeys.1076.75576