Hydrachnidia Krantz, 1978 - water mites Superfamily Arrenuroidea Thor, 1900 Family Nudomideopsidae Smith, 1990 1 Genus Allomideopsis Smith, 1990 2 Genus Neomideopsis Smith, 1983 3 Genus Nudomideopsis Szalay, 1945 4 Genus Paramideopsis Smith, 1983