Salangathelphusa peractio sp. n., holotype male (22.3 × 17.7 mm) (ZRC 2017.208), Langkawi. A left G1 (ventral view) B left G1 (dorsal view) C distal part of left G1 (ventral view) D distal part of left G1 (mesial view) E distal part of left G1 (dorsal view) F left G2. Scale bars A, B, F 1.0 mm C–E 0.5 mm.

 
 
  Part of: Ng PKL (2017) Salangathelphusa peractio, a new species of lowland freshwater crab (Crustacea, Brachyura, Gecarcinucidae) from Pulau Langkawi, Peninsular Malaysia. ZooKeys 711: 53-65. https://doi.org/10.3897/zookeys.711.20621