Hydrachnidia Krantz, 1978 - water mites
Count: [g] 56f;487g [20 Oct 2023]
   Superfamily Hygrobatoidea Koch, 1842
  Count: [g] 12f;234g [20 Oct 2023]
     Family Omartacaridae Cook, 1963
    Count: [g] 2g [14 Oct 2023]
       Subfamily Omartacarinae Cook, 1963 [monotypic]
      Count: [g] 1g [14 Oct 2023]
         Genus Omartacarus Cook, 1963
        Count: -
           1 Subgenus Omartacarus (Omartacarus) Cook, 1963
          Count: -
           2 Subgenus Omartacarus (Omartacarellus) Cook, 1974
          Count: -