Hydrachnidia Krantz, 1978 - water mites
Count: [g] 56f;487g [20 Oct 2023]
   Superfamily Arrenuroidea Thor, 1900
  Count: [g] 19f;83g [20 Oct 2023]
     Family Bogatiidae Motaş & Tanasachi, 1948
    Count: [g] 2g [20 Oct 2023]
       Subfamily Horreolaninae Habeeb, 1956 [monotypic]
      Count: [g] 1g [20 Oct 2023]
         Genus Horreolanus Mitchell, 1955
        Count: -