Hydrachnidia Krantz, 1978 - water mites
Count: [g] 56f;487g [20 Oct 2023]
   Superfamily Hygrobatoidea Koch, 1842
  Count: [g] 12f;234g [20 Oct 2023]
     Family Hygrobatidae Koch, 1842
    Count: [g] 83g [15 Oct 2023]
       Genus Atractides Koch, 1837
      Count: -
         Subgenus Atractides (Tympanomegapus) Thor, 1923
        Count: -