Tonkinosoma tiani sp. n., ♂ paratype from Ganhan Cave. A–C left gonopod, mesal, anterior and lateral views, respectively. Abbreviations: fe = femorite; ll = lamella lateralis; lm = lamella medialis; pf = postfemur; s = sulcus; sg = seminal groove; sl = solenomere; sph = solenophore; t = tooth.

 
 
  Part of: Liu W, Golovatch S (2018) Occurrence of the millipede genus Tonkinosoma Jeekel, 1953 in China, with the description of the first presumed troglobitic species of this genus (Diplopoda, Polydesmida, Paradoxosomatidae). ZooKeys 742: 23-34. https://doi.org/10.3897/zookeys.742.23471