Hydrachnidia Krantz, 1978 - water mites
   Superfamily Arrenuroidea Thor, 1900
     Family Mideopsidae Koenike, 1910
       Subfamily Mideopsinae Koenike, 1910
         01 Genus Djeboa Viets, 1911
         02 Genus Mideopsella Lundblad, 1937
         03 Genus Mideopsellides Viets, 1962
         04 Genus Mideopsides Lundblad, 1943
         05 Genus Mideopsis Neuman, 1880
         06 Genus Neoxystonotus Lundblad, 1927
         07 Genus Octomideopsis Viets, 1931
         08 Genus Penemideopsis Cook, 1986
         09 Genus Phreatomideopsis Schwoerbel, 1986
         10 Genus Tillia Harvey, 1990
         11 Genus Tiramideopsis Cook, 1967
         12 Genus Xystonotus Wolcott, 1900