Polyonyx socialis sp. n., female paratype, SMF 52401, South China Sea, south coast of Vietnam, Nhatrang Bay, Mun Island. Right side of carapace deformed by parasitic isopods (Bopyridae). Scale bar: 3.0 mm.

 
 
  Part of: Werding B, Hiller A (2019) A new species of Polyonyx (Crustacea, Anomura, Porcellanidae) inhabiting polychaete-worm tubes (Annelida, Chaetopteridae) in the Indo-West Pacific. ZooKeys 818: 25-34. https://doi.org/10.3897/zookeys.818.30587