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 Omanohydracarinae Gerecke, 2004 [monotypic]
      Count: [g] 1g [16 Oct 2023]
         Genus Omanohydracarus Gerecke, 2004
        Count: -