Hydrachnidia Krantz, 1978 - water mites
Count: [g] 56f;487g [20 Oct 2023]
   Superfamily Hygrobatoidea Koch, 1842
  Count: [g] 12f;234g [20 Oct 2023]
     Family Unionicolidae Oudemans, 1909
    Count: [g] 15g [20 Oct 2023]
       Subfamily Unionicolinae Oudemans, 1909
      Count: [g] 2g [16 Oct 2023]
         Genus Vietsatax Uchida & Imamura, 1940 see Subgenus Vietsatax Uchida & Imamura, 1938
        Count: -