Hydrachnidia Krantz, 1978 - water mites
Count: [g] 56f;487g [20 Oct 2023]
   Superfamily Hydryphantoidea Piersig, 1896 - water mites
  Count: [g] 7f;64g [12 Oct 2023]
     Family Hydrodromidae Viets, 1936
    Count: [g] 2g [12 Oct 2023]
       Genus Hydrodroma Koch, 1837
      Count: -